Release Notes
Software Release 2.10.0
September 2020
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Contents
TIBCO Documentation and Support Services. . . .4
New Features. . . .5
Changes in Functionality. . . .15
Deprecated and Removed Features. . . .19
Migration and Compatibility. . . .21
Closed Issues. . . .23
Known Issues. . . .32
TIBCO Documentation and Support Services
How to Access TIBCO Documentation
Documentation for TIBCO products is available on the TIBCO Product Documentation website, mainly in HTML and PDF formats.
The TIBCO Product Documentation website is updated frequently and is more current than any other documentation included with the product. To access the latest documentation, visit https://
docs.tibco.com.
Documentation for TIBCO Flogo® Enterprise is available on the TIBCO Flogo® Enterprise Product Documentation page.
Product-Specific Documentation
The following documents for this product can be found on the TIBCO Documentation site:
● TIBCO Flogo® Enterprise Installation
● TIBCO Flogo® Enterprise User's Guide
● TIBCO Flogo® Enterprise Release Notes
● TIBCO Flogo® Activities and Triggers Guide
How to Contact TIBCO Support
You can contact TIBCO Support in the following ways:
● For an overview of TIBCO Support, visit http://www.tibco.com/services/support.
● For accessing the Support Knowledge Base and getting personalized content about products you are interested in, visit the TIBCO Support portal at https://support.tibco.com.
● For creating a Support case, you must have a valid maintenance or support contract with TIBCO.
You also need a user name and password to log in to https://support.tibco.com. If you do not have a user name, you can request one by clicking Register on the website.
How to Join TIBCO Community
TIBCO Community is the official channel for TIBCO customers, partners, and employee subject matter experts to share and access their collective experience. TIBCO Community offers access to Q&A forums, product wikis, and best practices. It also offers access to extensions, adapters, solution accelerators, and tools that extend and enable customers to gain full value from TIBCO products. In addition, users can submit and vote on feature requests from within the TIBCO Ideas Portal. For a free registration, go to https://community.tibco.com.
New Features
The following features have been added since the last major release of TIBCO Flogo® Enterprise.
This section lists the new features of the following releases:
● Release 2.10.0
● Release 2.9.0
● Release 2.8.1
● Release 2.8.0
● Release 2.7.0
● Release 2.6.1
● Release 2.6.0
● Release 2.5.0
● Release 2.4.0
● Release 2.3.0
● Release 2.2.0
● Release 2.1.0
● Release 2.0.0
Release 2.10.0
Enhanced monitoring
● Hybrid monitoring: Unified monitoring experience in TIBCO Cloud Integration is now available for monitoring Flogo applications deployed in private cloud environments outside of TIBCO Cloud. You can see and monitor your Flogo apps the same way as apps deployed on TIBCO Cloud using the TIBCO Cloud Integration - Hybrid Agent.
● Kubernetes native monitoring: Flogo Enterprise Monitoring can be run as a standalone app or in a container on Kubernetes. Once it starts on Kubernetes, it monitors Flogo apps added to the Kubernetes cluster.
App version support
The web UI displays app versions that can be modified anytime. At the creation of a new app, the default version displayed is 1.0.0.
Automatically generated HTTP response, Return activities and mapping configuration
When creating triggers and flows from an API (Swagger) specification, the app's Configure HTTP Response, Return activities, and mappings are now automatically configured.
Additional configuration for "Send email" activity
Input fields are added to the "Send email" activity to support HTML body and CC/BCC configuration.
Ability to run updated application without binary rebuild
In the CLI builder, an option is available to exclude the JSON file of the app when building the binary of an updated app to avoid creating a new app binary if you only want to make minor configuration or mapping changes in the app.
Improved Prometheus metrics
New improved Prometheus metrics related to count and execution interval for activity and flow are now available.
Mapping enhancement for loop
The output of an activity is accessible for mapping in its input for each iteration while using repeat while true loop.
That is, when using the Mapper you can use the output of an activity generated by the last iteration as an input for the next iteration. You can see this output as part of “Upstream Output”. For example, assume you have a loop with three iterations. In iteration zero, there is no value from that output because the activity has not run yet, but on the next iteration you can access the output of the activity from the previous run.
TIBCO Flogo® Connector for TIBCO Cloud Messaging
● TCMMessageAck has been added to the connector with the following modes:
— Auto: messages are auto acknowledged as soon as they are received from the TIBCO Cloud Messaging service.
— Explicit: messages can be acknowledged by using new activity TCMMessageAck within the flow.
● The MessageSubscriber trigger now supports standard durables.
TIBCO Flogo® Connector for MQTT
Auto reconnect: The MQTT Publisher activity and MQTT Subscriber trigger reconnect automatically to the MQTTbroker in an event of a connection failure.
TIBCO Flogo® Connector for Microsoft SQL Server, TIBCO Flogo® Connector for PostgreSQL, and TIBCO Flogo® Connector for Oracle MySQL
There have been significant enhancements to the connection configuration for configuring maximum open connections, maximum idle connections, and maximum connection lifetime. For more details, please check the TIBCO Flogo® Activities and Triggers Guide.
Release 2.9.0
Application monitoring
Flogo® Enterprise now provides a component, TIBCO Flogo® Enterprise Monitoring , to monitor running Flogo Enterprise apps. The Flogo® Enterprise Monitoring application collects metrics of flows and triggers from all running applications that are registered with it. In the application's Web UI, you can visualize the metrics.
For details, see the "TIBCO Flogo® Enterprise Monitoring Application" section in the TIBCO Flogo® Enterprise User's Guide.
App-level schemas
In a flow input or output, you can now define a schema and share it across the app. An app-level schema can be used in any flow, activity, or trigger configuration where a schema editor is provided.
Types of schemas supported are JSON and Avro.
For details, see the "Application Schemas" section in the TIBCO Flogo® Enterprise User's Guide.
Coercing of fields
In the input, output or trigger reply configuration of an OSS activity, you can now coerce a parameter to take the value from a schema that you dynamically defined during design time.
Flogo Enterprise supports coercing for parameters of the following data types: array, object, param, and any.
Currently, coercion is supported only for top-level parameters.
Validation of flows
You can now validate an app before you deploy it. To validate your app, click the Validate button on the App details page. This validates each flow and activity. If a flow or activity has an error, it displays an error or warning icon on the flow or activity.
Validation of flow is done only when you click the Validate button.
Data mapping functions
This release now includes the DateTime and Array.flatten Open Source functions.
Iteration index available for "Repeat While True" loops
If you select Repeat while true as the type of a loop in an activity, iteration index is now available for mapping.
Support for PATCH method in InvokeRESTService activity
You can now use the PATCH method in the InvokeRESTService activity.
Configure app properties from the Flow View
You can now configure app properties from the Flow View directly, instead of navigating back to the Flow list page to edit the app properties.
Flexibility to start with a trigger or a flow
With the enhancements in this release, you can create and configure a new trigger without binding it to a flow. This gives you flexibility to start with either a trigger or a flow.
Release 2.8.1
Streaming App Metrics to logs
You can now emit flow and activity metrics of a Flogo Enterprise app to logs by using two new environment variables: FLOGO_APP_METRICS_LOG_EMITTER_ENABLE and
FLOGO_APP_METRICS_LOG_EMITTER_CONFIG.
Merging changes to an API specification
While creating a REST trigger, you can configure it by uploading the API specification file.
If the API specification changes after the trigger is created, you can now merge the changes into an existing app by uploading the specification file again.
Propagating error data from subflow to main flow
You can now propagate error data from a subflow to the main flow using the Throw Error activity.
Overriding host and port in the URL for Invoke REST Service activity
You can now override the host name and port in the URL when calling a REST service using InvokeRESTService activity.
Defining common schema for a response code category in REST Invoke activity
In the InvokeRESTService activity, you can now define a single schema for a category of response codes. For example, if you are calling a REST service which uses same schema for all response codes in the range 500-599 (such as 501, 502, 503, and so on), you can define a single schema (as 5xx) for them.
Improved TCM connection management
The TIBCO Cloud Messaging Connector now uses an upgraded client library for improved handling of reconnect and connection timeouts.
Two new fields have been added to TIBCO Cloud Messaging Connector - AutoReconnectAttempts and AutoReconnectMaxDelay (in seconds). These fields allow the client to re-establish a connection with TIBCO Cloud Messaging Server if the connection is lost.
Release 2.8.0 gRPC Support
This release of Flogo Enterprise:
● Includes a gRPC Client activity for calling gRPC services from the Flogo Enterprise flows
● Simplifies implementing the gRPC services in Flogo Enterprise by adding the ability to import gRPC Protocol Buffers (.proto) file for generating the trigger and flows automatically.
● Supports header input field for GRPCActivity Avro Schema Registry for Kafka
Flogo Enterprise now supports built-in connectivity to Avro Schema Registry for Kafka Client Configuration for Serialization and Deserialization of messages published on or subscribed from Kafka topic in Avro format. Basic authentication is used to connect to the registry if the username and password are provided.
OpenTracing
In the area of Microservices Observability, Flogo Enterprise now adds native support for OpenTracing, a Cloud Native Computing Foundation (CNCF) project, that provides vendor-neutral API
specification and instrumentation libraries for distributed tracing. This release also provides built-in integration with the open source Jaeger tracing library for collecting the traces from Flogo Enterprise apps. With this new feature, you can set an environment variable FLOGO_APP_MONITORING_OT_JAEGER
to true for enabling generation of OpenTracing compliant traces and spans and collection of those traces and spans using Jaeger.
Flow Design
This release of Flogo Enterprise adds the following functionality to improve the Developer Experience (DX) for designing Flogo apps using the Web UI:
● Selective Import: To improve the reusability of Flogo Enterprise apps a new 'Selective Import' feature has been added to the Import functionality of the Web UI. This allows you to import a Flogo Enterprise app into a new app or an existing app with the flexibility to select specific triggers, flows and connections while importing the app.
● Loop: This release of Flogo Enterprise adds significant improvements to the ability to iterate execution an activity. A new Loop tab has been added on activity configuration with support for two types of loops - Iterate and Repeat while true. Iterate type allows you to specify a number of iterations and Repeat while true type allows you to specify condition to repeat the execution of activity when the condition is true. In addition, this release includes a new Accumulate option for accumulating output of the activity from each iteration into in array.
● Retry on Error: There is a new 'Retry on Error' tab added in the activity configuration of
InvokeRESTService and TCMMessagePublisher activities to retry the execution of these activities if it encounters a retriable error. This new tab allows you to specify the retry count and retry interval.
● Success with no matching condition: This new type of branch added in this Flogo Enterprise release can be used when you want to execute one or more specific activities when none of the 'Success with condition' branches meet the condition and execute.
● List view: A new list view is added for Flow Input & Output parameters in addition to existing JSON schema view. This view allows users to define the Flow parameters and their types in the UI.
● Copy activity: Flogo Enterprise now provides an option to create a copy of an existing activity within the same flow.
● Branch Labels: A label is now added to a branch by default and displayed when hovered on the branch. You can also update the branch labels.
Support for Red Hat® OpenShift®
This release of Flogo Enterprise adds certification for Red Hat OpenShift Container Platform version 4.x.
Building a Docker image from CLI
In the area of DevOps Flogo Enterprise CLI now provides an option to build a Flogo application docker image. This is useful for automating of the docker image build process.
Release 2.7.0 gRPC Support
gRPC is a modern, open source RPC framework commonly used in Microservices architecture. This release adds a new trigger for implementing gRPC services in Flogo applications.
Certification for Serverless container deployments
This release adds certification for the following managed Cloud services for Serverless container deployments:
● Google Cloud Run
● Azure Container Instances TIBCO Cloud Deployment
Flogo Enterprise Web UI now provides an option to export Flogo application deployment artifacts for deployment to TIBCO Cloud Integration (TCI) platform. You can use the TCI CLI (tibcli) to push the Flogo application developed in Flogo Enterprise Web UI on TCI.
REST API Development
This release of Flogo Enterprise adds the following advanced capabilities for simplifying development of REST APIs using Flogo applications:
● A new Configure Response Codes option has been added to the ReceiveHTTPMessage trigger and InvokeRESTService activity that allows you to add multiple HTTP response codes and define response content-type and schema for each code.
● A new ConfigureHTTPResponse activity has been added in this release of Flogo Enterprise. You can add this activity before a Return activity if Configure Response Codes option is enabled on the ReceiveHTTPMessage trigger and use the activity to select a response code and define the response to be returned for that specific code.
● You can also define custom HTTP response header on the ReceiveHTTPMessage trigger.
● InvokeRESTService activity adds ability to configure a connection timeout and proxy URL while invoking external REST APIs from the Flogo flows.
Kafka Consumer
KafkaConsumer trigger now supports the Whitelist feature to consume messages from multiple topics. You can whitelist a group of Kafka topics for consuming messages by specifying them as a comma-separated list of topics (Topic field) or a regex pattern (Topic Whitelist field).
Web UI Improvements
● Flogo Enterprise Web UI now provides ability to add multiple handlers for a trigger giving you the ability to bind multiple flows to a single trigger. It also adds a new Trigger View and the ability to switch between the Flow view and the Trigger view so that you can add more than one flows for a single trigger.
● Errors and warnings:
— Flogo Enterprise Web UI now provides a better and consolidated view of validation errors and warnings.
— For error branches, details of the error (such as activity and type of error message) are now captured and returned in the $error variable. These details can be used by subsequent activities and the logic of the flow can be based on the type of error.
New Activities
This release adds the following two new out-of-the-box activities in Flogo Enterprise:
● Sleep: This activity is used to pause execution of the Flow for a specified time period.
● ParseJSON: This activity is used to parse JSON data in String format into a JSON Object.
Mapper Functions
● This release of Flogo Enterprise adds support for mapper function contributions giving you flexibility to create custom mapper functions, install them as extensions and use within the mapping expressions.
● This release of Flogo Enterprise also includes a set of mapper functions from the open source Project Flogo out-of-the-box.
● The array.foreach() function now supports passing of an argument for filtering array elements to return only the matching elements.
Extensibility
● Flogo Enterprise Web UI now allows users to install extensions from GitHub repositories, thus eliminating the need to zip and upload the extension.
● Flogo Enterprise now provides ability to plug-in custom Golang code into the application binary enabling developers to write custom code for integrating with third-party tools like monitoring agents, configuration management.
Support for AssumeRole
This release of Flogo Enterprise adds support for AssumeRole in AWS Connection configuration.
Exporting an Application's .json File
You can now export an application's .json file (embedded within the binary file), by using the ./
<app-binary-name> --export app command. The .json is exported as <app-binary-name>.json. Release 2.6.1
Starting with this release Flogo Enterprise supports Spring Cloud Services. The Spring Cloud Config Server is supported for application configuration management for Flogo apps deployed on Pivotal Application Service (PAS).
This release also adds support for Kubernetes Secrets. Kubernetes Secrets object lets you manage and store sensitive information such as passwords, keys, and so on. This new feature in Flogo Enterprise allows you to resolve the values of application properties in a Flogo application deployed on Kubernetes using Kubernetes Secrets.
Release 2.6.0 GraphQL
This release of Flogo Enterprise adds an out-of-the-box trigger for GraphQL that provides an efficient and flexible API design paradigm with a powerful query language allowing frontend clients to query exact data. You can import a GraphQL schema in a Flogo application and choose to auto-generate the GraphQL trigger and flows for implementing resolver functions or add a GraphQL trigger to existing flows allowing you to rapidly implement GraphQL server for your API.
Support for OpenAPI Specification 2.0 (formerly Swagger Specification)
Using Flogo Enterprise, you can now develop REST APIs from OpenAPI Specification version 2.0 (formerly Swagger Specification). You can import the OpenAPI Specification in a Flogo application and auto-generate the REST trigger and flows for implementing the API, which in turn enables rapid development.
Improved error handling capabilities
The new Error branch type extends the flow execution control and error handling capabilities of Flogo. An Error branch allows you to catch activity level exceptions and execute a different path in the flow if activity execution throws an error. Flogo Enterprise now supports three types of branches - Success, Success with Condition, and Error.
Mapper activity
The new Mapper activity enables you to define data mappings for any data type and construct data in the required structure for mapping to subsequent activities in the flow.
New schema synchronization option
A new Sync flow input/output configuration option is added to the Flogo Enterprise Web UI on the Trigger configuration tabs. If you make any changes in the trigger input/output schema, this option allows you to propagate the changes to the flow input and output parameters by copying the Trigger Output schema to Flow Inputs and Trigger Reply schema to Flow outputs without having to manually update flow input/output schema.
Additional platforms supported for containerized deployment
The PaaS or containerized deployment options have been extended to support Pivotal Application Service (PAS) of the Pivotal Cloud Foundry (PCF) platform, Amazon ECS, and AWS Fargate.
Support for securing APIs using TLS
Using Flogo Enterprise, you can now secure APIs built using Swagger and GraphQL through X509 certificates.
Mapper improvement
With this release, you can clear child mappings configured for objects and arrays in the mapper using a single click "Clear Mapping" option.
Release 2.5.0
AWS Lambda Triggers
This release of Flogo Enterprise takes integration with AWS Lambda to the next level by adding triggers for Amazon API Gateway and Amazon Simple Storage Service (S3). This gives you ability to develop functions in Flogo, deploy them on AWS Lambda, and invoke them from Amazon API Gateway and S3.
Prometheus Support
In the area of Application Monitoring Flogo Enterprise now provides support for Prometheus, an open source project under Cloud Native Computing Foundation (CNCF). If the environment variable FLOGO_APP_METRICS_PROMETHEUS is set to true, Flogo application starts exposing flow and activity metrics via the HTTP endpoint as Prometheus-compliant time series data. This gives you the ability to configure Prometheus for pulling and storing Flogo application metrics, use features of Prometheus for monitoring as well as alerting, and also use tools like Grafana for visualization.
Out-of-the-box support for Kafka, MQTT, TCM and Avro connectors
Starting this release, Flogo Enterprise includes a range of activities and triggers for Apache Kafka, MQTT, Apache Avro, and TIBCO Cloud Messaging out of the box removing the need to install them as separate connectors.
Duplicating Flows
With this new feature added in the Flogo Enterprise Web UI, you can now make a copy of an existing flow within a Flogo application.
Ability to build engine from CLI
To simplify CI/CD for Flogo applications, this release adds the ability to build a single Flogo runtime engine binary with a set of required connectors. You can execute this binary to run any compatible Flogo application by passing '--app' argument to provide the application's JSON file. This removes the need to install Flogo Enterprise on build machines and build the binary for individual applications.
For example, If you develop ten applications that use TIBCO Flogo Connector for Kafka and TIBCO Flogo Connector for Avro connectors, you can build a single Flogo runtime engine binary with TIBCO Flogo Connector for Kafka and TIBCO Flogo Connector for Avro connectors included in it and use the same binary to run all ten applications instead of building ten different binaries.
Support for Docker Toolbox
For developers who are using Docker Toolbox on Windows this release allows using Docker Toolbox for running Flogo Enterprise Web UI.
Release 2.4.0
Configuration Management
This release adds a set of new features to help you isolate the configuration from your application and manage it using external stores, so that you can deploy the same application in multiple environments without making any changes to the application. Flogo Enterprise extends the Application Properties feature and allows you to provide the values for application properties at runtime using environment variables or fetching them by connecting to external configuration stores such as Consul. This release certifies use of Consul, AWS Param Store, and Kubernetes ConfigMaps for storing your application configuration. This release also adds the ability to export application properties from the application binary in a JSON file, or as environment variables. If you use application properties for configuring secrets in your application, such as database passwords, you can now generate obfuscated values for the secrets.
Application Logging
This release adds support for the Zap library for application logging. Zap aims to provide fast, structured, and leveled logging. You can switch to the Zap logger for your application by setting the environment variable, FLOGO_LOGGER_IMPL, to zap. This release also gives you ability to log in JSON format by setting the environment variable, FLOGO_LOGGER_FORMAT, to JSON.
Kubernetes
Flogo Enterprise now certifies deployment and management of apps using Kubernetes. This allows you to run Flogo apps in Docker containers and use Kubernetes to manage the containers leveraging the benefits of Kubernetes including self healing, load balancing, health check, configuration
management, rollouts, and rollbacks
Application Metrics API
This release provides the ability to collect flow and activity metrics for monitoring your application using a REST API. You can now enable collection of application metrics by setting the environment variable, FLOGO_APP_METRICS, to true and collecting instrumentation as well as execution statistics for the flows and activities in your application using the REST API.
Subflows
This release adds support for creating a subflow and calling the subflow from other flows in your application. This gives you the ability to define the common logic in a subflow and reuse it in multiple flows.
Mapper Improvements
Flogo Enterprise now adds a set of new array functions to support count, get, delete, and append operations in the mapper. The use of nested ternary operators in the mapper expressions for
conditions is now supported. This release also improves validation of mandatory fields and expressions in the mapper.
Application binaries created prior to 2.4 must be recreated to use above features.
Release 2.3.0
Application Properties
This release introduces the concept of application properties and the ability to define, configure (inside an application) and manage application properties. Apart from properties provided during application design, developers can also override the value for such properties at the time of deployment.
Runtime Statistics
In the area of monitoring and tracking your application runtime, new features have been introduced across two areas:
● Memory and CPU profiling data can be collected and reviewed for a given application in a test environment
● TIBCO Flogo® Enterprise includes the ability to gather Go runtime statistics such as memory usage, number of Go routines, logical CPUs used, version and more
Healthcheck
This release introduces the ability to enable healthcheck for a Flogo application that is running.
DB Service
TIBCO Flogo Enterprise 2.3 supports a common DB Service component that facilitates database operations for database connectors.
Release 2.2.0 Flow Testing
This release introduces the ability for testing the flows created using TIBCO Flogo® Enterprise from the design-time including creating and managing launch configurations for running these tests.
Command-Line Interface
This release provides a command-line utility capable of building a Flogo application binary.
Release 2.1.0
Improved support for building and deploying AWS Lambda functions
This release allows developers to build Flogo flows as functions in AWS Lambda and deploy them directly from the design-time environment in to their AWS accounts.
Support for Connectors
This release introduces an installation manager and the ability to install and manage connectors for Flogo® Enterprise.
Release 2.0.0
Improved experience across installation, design, and runtime
A completely revamped user experience across installation, design-time, and runtime components has been introduced in v2.0.0 of TIBCO Flogo® Enterprise. This makes the experience better aligned for enterprise developers and consistent with the concepts available in TIBCO Flogo® apps.
Cross-compatibility for Flogo Applications
Starting with this release, Flogo apps/flows created in the open-source Project Flogo™ can be imported into Flogo® Enterprise (or TIBCO Cloud™ Integration - Flogo®). Starting with this release, Flogo® Enterprise will pick the most current stable release of the open-source Project Flogo™ and be compatible with capabilities provided in such a release.
Support for AWS Lambda Trigger
This release introduces the support for triggers for server-less frameworks and environments such as AWS Lambda. Developers can now build Flogo flows that can be run in AWS Lambda as functions.
Changes in Functionality
The following functionality-related changes have been made in this release.
Release 2.10.0
Automatic generation of mappings, Configure HTTP Response, and Return activites
When a Flogo app is created from a Swagger API specification, Flogo REST triggers and flows are now automatically configured with:
● trigger and flow input/output mappings
● Return and Configure HTTP Response activities, wherever applicable Flogo Studio now called Flogo Web UI
Flogo Studio is now called Flogo Web UI. For example, this is reflected in the following areas of the product:
● The commands run-studio.sh and run-studio.bat are renamed to start-webui.sh and start-
webui.bat respectively.
● Console output of the startup scripts
● Docker image is renamed to flogo-webui
● Title of the tab in the web browser Release 2.9.0
Connector installation
Starting with this release, you need not install the following connectors separately:
● PostgreSQL Connector
● MySQL Connector
● MSSQL Connector
Database service installation
Starting with this release, the database service is available out-of-the-box and need not be installed separately.
Revalidating an app after navigating into a flow
After validating an app, if you navigate into a flow, you must validate the app again irrespective of whether you made changes to the flow or not. Flogo Enterprise does not retain the results of any previous validation.
Validation improvements
● In prior releases, flows on the flow list page were validated automatically. Now, you need to manually validate the flows.
● In prior releases, on editing an activity, the entire flow was validated automatically. Now, only that particular activity is validated automatically.
Timeout field of InvokeRESTService activity
The unit of measurement for the Timeout field in the InvokeRESTService activity has been changed to milliseconds. You might want to reconfigure this field using milliseconds and deploy the app again.
Changes in user interface
The following changes have been made to the user interface:
● Flows list page
— The App Properties Button has been renamed to Properties.
— The Revert to last build, Import, and Export buttons have been moved into a list menu.
● Flow Canvas/Details page
— The Start testing button is renamed to Test.
— The Revert to last build button is removed.
— The Properties button has been added for specifying app properties.
● Buttons have been rearranged to group primary actions together and secondary actions together.
Release 2.8.1
Explicit save for activity and trigger configuration
If you make any changes to the schema that you entered when creating a trigger, you must save the changes explicitly by clicking Save and then propagate the changes to the flow input and flow output.
If you have make changes to the schema but do not save the changes explicitly by clicking Save, a warning message is displayed asking you to first save the changes before the schema can be synchronized.
Release 2.8.0 Lambda triggers
For apps with Lambda triggers (namely ReceiveLambdaInvocation trigger, S3BucketEventLambda trigger, and AWSAPIGatewayLambda trigger):
● An app can have multiple flows or handlers.
● When a trigger is added to other flows, a validation error indicating that other triggers are not allowed in the app is displayed.
Resource name for InvokeLambdaFunction
For InvokeLambdaFunction, you can now specify the Amazon Resource Name (ARN) from the Input tab in addition to the Settings tab. This can be used to take the ARN from a previous activity or trigger.
Return activity
A Return activity is not added by default. Depending on your requirements, you must add the Return activity manually. The Return activity is not added by default in the following cases:
● Creating a flow
● Adding a branch
● Creating error handler
● Importing an app Mandatory sign
In the input mapper window, for mandatory fields, the mandatory sign (*) is now displayed before the field name instead of after the field name.
Updating GraphQL schema
You can now update the GraphQL schema without generating a new Flogo flow.
Restarting Studio after installing connectors
After installing any connector, Studio must be re-started.
Release 2.7.0
JSON string in quotes
If an input string value contains a JSON string and it is not included in quotes, a validation error is returned.
Response Type in InvokeRestService
In the InvokeRestService activity, Response type has been moved from Settings to Output Settings.
The default value of Response type is application/json.
If you set Response type to plain/text and export the application from 2.6.1, after upgrading to 2.7.0, you must manually change the Response type to application/json.
Consistent structure across functions
The structure of Flogo Enterprise and open source Project Flogo functions is now consistent so that the open source Project Flogo functions can be used in Flogo Enterprise and vice versa.
Redesigned error panels
The error panel is no longer displayed. Errors and warnings are now displayed on the trigger, activity, and flow UI.
DEBUG logs
The default log level of the Flogo Tester is now INFO and not DEBUG.
Release 2.6.0 Iterator Mappings
Apps created in earlier versions of Flogo Enterprise have iterator mappings using the $current tag. Such apps return validation errors in version 2.6. You must manually update the iterator mappings for such apps.
Also, the datatype for key attribute under $current is changed from number to string. So, any mappings that involve the key attribute must also be manually updated.
Imported Applications
It is mandatory to provide a condition on branches. If the condition is not provided, the application fails at runtime.
Application Property
This release of Flogo Enterprise provides additional validations for application properties. If you delete an application property or the property is not configured properly, the application fails to start.
Application Property Override Using Environment Variables
The environment variable used to enable application property override using environment variables has changed from FLOGO_APP_PROPS_RESOLVERS=env to FLOGO_APP_PROPS_ENV="{}".
Deprecated and Removed Features
The following features have been deprecated or removed as of this release of Flogo Enterprise.
For deprecated features, if relevant, useful alternatives are listed. Any use of a deprecated feature should be discontinued because it might be removed in a future release. To avoid becoming dependent on deprecated features, ensure that you become familiar with the suggested alternative features.
Deprecated Features
Affected
Component Deprecated Feature Alternative Feature
Deprecat ed in Release Prometheus
Metrics ● flogo_activity_metrics
● flogo_flow_metrics
● flogo_activity_execution_co unt
● flogo_activity_execution_du ration_msec
● flogo_flow_execution_count
● flogo_flow_execution_durati on_msec
2.10.0
Functions boolean.true() true 2.7.0
boolean.false() false
float.float64() string.float()
number.int64() coerce.toInt64()
number.len() string.len()
string.base64ToString() utils.decodeBase64() string.stringToBase64() utils.encodeBase64()
string.dateFormat() YYYY-MM-DD
string.datetimeFormat() YYYY-MM-DDTHH:mm:ss
string.timeFormat() HH-mm-ss
string.lowerCase() string.toLower() string.upperCase() string.toUpper()
string.regex() string.matchRegEx()
string.length string.len()
string.tostring() coerce.toString()
Affected
Component Deprecated Feature Alternative Feature
Deprecat ed in Release
utility.renderJSON coerce.toString() Triggered flows Use of triggered flows is
deprecated. 2.4.0
Flogo OSS Reply(Legacy)
activity
Use the Return activity in
serverless flows. 2.2.0
Removed Features
Affected
Component Description
Deprecated in Release
Removed in Release Start with
Trigger option The Start with Trigger option in Flogo Enterprise Web UI when creating flows has been removed.
- 2.5.0
Migration and Compatibility
The following migration and compatibility related changes have been made in this release.
Release 2.10.0
HTTP Rest Trigger Mappings
Importing an app created in a prior version of Flogo Enterprise that uses a REST Trigger and is configured with an HTTP response code breaks trigger reply mappings. To fix this issue, export the app from the latest version and import it again.
Mappings after import
For older apps, in some cases, mappings done at parent level are displayed at the element level after import. Note that it does not have any impact at runtime.
FLOGO-5793 Release 2.9.0
Zuora App
If a Zuora app is created in a prior version of Flogo Enterprise and is then imported to the current version, mapping issues are observed on the Input tab of the Zuora Subscription Activity for the Create Subscription operation.
Export the app without making any changes and then import it again.
Release 2.8.1
There are no migration or compatibility related changes in this release.
Release 2.8.0
There are no migration or compatibility related changes in this release.
Release 2.7.0
InvokeRESTService Backward Compatibility
After an old application JSON file is imported, if it uses the open source Project Flogo REST Invoke activity, an error is encountered.
As a workaround, import the application and delete the existing open source Project Flogo REST Invoke activity. Then, add a new REST Invoke activity from the Default category.
Array Mapper Filter
When you upgrade to 2.7.0, if you use an array mapper filter for an application created in a release prior to 2.7.0, an error is displayed during design time. To fix this, delete the old mapping and remap it from the Upstream Output section. A scoping variable is now included in the mapping.
For example, if the old mapping is:
array.forEach($flow.body.Book)
After the remap, the mapping becomes:
array.forEach($flow.body.Book, "Book")
Release 2.6.0
Flogo Enterprise Web UI
In version 2.6, due to an application model change, it is recommended that you import old apps JSON in version 2.6 and export them.
CLI Tool
When the CLI tool is used to build an application created in an earlier version of Flogo Enterprise, the application binary created might not work properly in version 2.6 due to an application model change.
To avoid errors, import and export old apps in version 2.6 before using the CLI tool.
Closed Issues
The following issues have been fixed in this release of TIBCO Flogo® Enterprise.
Release 2.10.0
Key Description
FLOGO-6255 When an existing Flogo Enterprise setup was upgraded to 2.10, the version of the existing apps was set to 4.0.0 by default.
FLOGO-5895 You could not map empty arrays in activity mappings.
FLOGO-5893 At runtime, the Flogo engine threw an error when the application property was configured to the Delay field in a Repeat Until True loop.
FLOGO-5846 The Add row option was present for path parameters. It could not be added from Input Settings.
FLOGO-5755 The Send Email activity did not work with Office365 mail server.
FLOGO-5730 Subflow flow mappings got moved to the top level node after export/import app.
FLOGO-5714 If an existing trigger in a flow was deleted from the flow list page and you added a new trigger from the same page, you could not build the binary app and export the app.
As a workaround, you could duplicate the existing flow and delete the original one. You can perform all actions on the newly created flow.
FLOGO-5655 You could not import tester launch configuration. The following error was displayed:
Configuration already exists.
As a workaround, you needed to create a new tester launch configuration.
FLOGO-5654 Summary: For the InvokeRESTService activity, the Accept request header was set to Response Type when using Configure Response Codes.
As a workaround, you had to change Configure Response Codes to false and change Response type to Others. Change Configure Response Codes back to true and set Accept header in the input.
FLOGO-5650 Summary: If an app-level schema was attached in the request or response schema of the AWSAPIGatewayLambda trigger, the API gateway was not created.
FLOGO-5634 In the input and output of a flow, if you changed the parameter type and then selected another type as Required, the parameter type changed to the previous type again.
Key Description
FLOGO-5616 If you did not click the Save button while configuring an activity and then moved to the Flow Inputs & Outputs tab, the flow was unavailable and appeared grayed out.
FLOGO-4855 If you upgraded from Flogo Enterprise 2.8.0 to 2.8.1, the following error message was displayed:
"'o' is not recognized as an internal command
or 'things' is not recognized as an internal command"
You can ignore the error. The upgrade happens correctly despite the error.
FLOGO-4420 Summary: While mapping arrays, validation errors were displayed on the UI when the source array came from a fixed array child such as:
$flow.input[0].test.arraysource.
WIMSSS-188 The SQLServer output schema was not available immediately for mapping in the downstream activities.
WIMSSS-207 /
WIMSSS-215 Input schema was blank and did not populate immediately.
Release 2.9.0
Key Description
FLOGO-5570 If an input string contained the equals sign (=) in the app property and the app property was updated at run time, the string.replaceAll function generated an incorrect result.
FLOGO-5267 When the reply settings of a ReceiveHTTPMessage trigger were modified, the corresponding ConfigureHTTPResponse activities within the flow were not modified appropriately.
FLOGO-5068 Loading an app and validating flows took a long time. In addition, if you tried to access mappings in a flow, the mapper UI did not load.
FLOGO-4969 Moving activities around in large flows was slow.
FLOGO-4968 Mapper was slow for large flows.
FLOGO-4953 When the InvokeRestService activity was used in an app with output settings configured for a String type response code, the output for the response code was generated as type JSON.
FLOGO-4946 If a TIBCO Cloud Messaging trigger had multiple flows, only one flow was triggered and the rest of the flows were not triggered.
Key Description
FLOGO-4945 For the MongoDBInsertDocument activity, when an app was imported, input parameters were not displayed on the Input tab.
If the imported flow contained any object or param fields that did not have a fixed schema definition in the activity.json or trigger.json, it resulted in loss of data and a blank screen was displayed.
FLOGO-4935 After upgrading to the current release, all codes were displayed as 200 in the manifest.
FLOGO-4924 For REST triggers created in prior releases (which did not have the Configure Response Codes field in Reply Settings of the REST trigger), the Swagger spec was generated with response code as undefined.
FLOGO-4903 When a Flogo app was scaled down to 0, the app did not shut down gracefully.
Thus, in Flogo apps with Salesforce activites, the push topics were not deleted.
FLOGO-4902,
FLOGO-4872 The Extensions tab took a long time to load and, in some cases, was
unresponsive. If the number of large apps was high, the Extensions tab did not load.
FLOGO-4860 For large apps, there was a lag in design-time performance. For example, tasks such as viewing logs in a browser or downloading a large log file took a long time.
FLOGO-4845 If an app was updated and the app already existed in another environment, when the app was imported into the other environment, changes made to the app did not reflect in the other environment.
FLOGO-4570 If an array name contained a dollar sign ($) or a dash (-) character and the flow output was mapped to the Return activity, the character ($ or -) was removed from the array name in the Input field.
FLOGO-4492 When an app property was bound to a trigger handler configuration and the same trigger was used in another flow, the same app property was used in the new trigger handler. You had to manually unbind the app property in the new trigger handler.
Release 2.8.1
Key Description
FLOGO-4582 A TIBCO Cloud Messaging Subscriber Content Matcher was not saved after importing the app.
FLOGO-4573 Flogo Enterprise did not handle special variables containing bracket notation, such as 'address[line1]'.
FLOGO-4489 When an app property was bound to a trigger handler configuration and the app was exported, the name of the property was lost and was not displayed in the design-time model after the app was imported into Flogo Web UI. The app failed at runtime.
Key Description
FLOGO-4456 The Flogo AWS Connection failed at runtime if Use Assume Role was set to True.
FLOGO-4448 When the output was configured for a flow, a warning message regarding the Error Handler was reported.
FLOGO-4427 At design time, when a filter expression in a mapper had multiple arguments from $loop, a wrong validation marker was displayed.
FLOGO-4407 The Flogo AWS Connection failed at runtime if Use Assume Role was set to True and External ID was not configured.
FLOGO-4388 The data set in the Throw Error activity in a sub flow was not accessible to the parent flow.
FLOGO-4315 You could import apps with AWS API Gateway Lambda Trigger, Receive Lambda Invocation Trigger, or S3 Bucket Event Lambda Trigger along with other triggers in the same app. A validation error was not returned at design time and the app failed at runtime.
FLOGO-4250 If you changed or switched a Loop type, the configuration settings of the previous Loop type were not stored or preserved.
FLOGO-3910 For an app, when a child element was added as a filter to the parent array mapping, an index was not added.
FLOGO-3908 While mapping arrays, an extra element was added as a null value for missing elements in the array. For example, if the first element in an array had 3 fields and the second element had only 1 field, 2 fields were added as null for the second element.
FLOGO-389 Anonymous arrays are not supported.
You can add a root element to the array.
FLOGO-3741 If you upgraded to Flogo Enterprise 2.7.0 and then tried to build a binary for an app with a Lambda trigger, building the binary failed with an error.
FLOGO-3650 Building an app using the builder CLI resulted in an issue for an app exported before 2.6.0.
You can import the app into the latest version of Flogo Enterprise and export it again.
FLOGO-3561 Logs were not visible in Flow Tester and the following error was displayed:
Debugger failed to start as the test engine is currently being built. Please try again after sometime. For more information check builder.log.
FLOGO-3520 For the InvokeRestService activity, if you selected Response type as text/
plain or Other in the Output settings tab, the Response schema was not refreshed.
Key Description
FLOGO-3375 On re-importing an app, single quotes were replaced by double quotes in a JSON string field.
FLOGO-2676 On Linux platforms, the Flogo Enterprise Web UI was not launched after connecting to VPN.
You can disconnect the VPN and re-launch or refresh the Flogo Enterprise Web UI.
FLOGO-2451 After importing a Flogo app, an extra return activity was added if the flow had no return activity.
Release 2.8.0
Key Description
FLOGO-4322,
FLOGO-4298 You could not filter an array based on a condition on the child element of the object in that array.
FLOGO-4262 When ternary operators were used with the array.count() function an error was displayed at design time.
FLOGO-4161 False validation errors were reported in case of nested array fields mapping from different sources.
FLOGO-4129 You could not throw the error caught in a subflow to the main flow and stop the execution of main flow when an error occurs.
FLOGO-4056 When the URL of a big-sized Github repo (which did not have the expected structure of extensions) was provided to extensions downloaded from Github, a new app could not be created.
FLOGO-3912 For a child array filter mapping, when only a parent element was used in the filter expression, activities and flow showed a false validation error. Even if the activities show a red mark on the UI, the required results were shown at runtime. You can ignore the red marks.
FLOGO-3878 If a Flogo app had a RESTInvoke activity which called a REST service created in Flogo and which used ConfigureHTTPResponse, the RESTInvoke flow failed if it used ConfigureHTTPResponse whose input was mapped from REStInvoke output.
FLOGO-3858 If an array inside an array was mapped to root, the child elements were not upgraded to $loop. Instead, they were mapped using $ only for hybrid mappings.
FLOGO-3856 If you mapped an array to an array and its child elements, an error was displayed at the trigger and activity level even though mappings were correct.
FLOGO-3754 When importing an app, if the app used an extension that was not present in the environment, the import process hanged.
Key Description
FLOGO-3742 After upgrading to version 2.7.0, if you uninstalled the dbservice and then installed it again, the following error was displayed:
Failed to install service
FLOGO-3595 When a Flogo application was created by importing a Swagger specification with multiple response codes, the Message field was displayed in Map from Flow Outputs even after adding a Response body in Reply Settings.
FLOGO-3561 Logs could not be seen in the Flow Tester.
Release 2.7.0
Key Description
FLOGO-3304 An application that used an open source Project Flogo REST trigger or REST Invoke activity did not work in the Flow tester or with the binary.
FLOGO-3235 An error in a condition was not shown anywhere in the flow except on the condition definition page.
FLOGO-3209 When you import an application created in open source Project Flogo into Flogo Enterprise, the data type of the code field in the REST trigger was not displayed.
FLOGO-3162 In Lambda applications, if you used an application property when configuring the Execution Role Name field, you could not push the application. The following error was displayed:
Execution role name [=$property ["execRoleName"] ]Execution role name [=$property ["execRoleName"] ]ValidationError: The
specified value for roleName is invalid.
FLOGO-3136 On importing a Lambda Trigger application, Reply Data schema (in the Reply Settings tab in Receive Lambda Invocation Trigger) was lost.
FLOGO-3131 In a condition, you could not check whether an object was empty or null.
FLOGO-3121 Creating a Flogo application from an API specification resulted in a validation error during application creation.
FLOGO-3117 In branch condition, if you compared a string type variable with a number, a validation error was not displayed at design time and the flow did not get executed at runtime.
FLOGO-3102 An error was not displayed for an empty condition on the UI.
FLOGO-3099 If a string in a mapper started with =, the flow failed at runtime.
FLOGO-2863 You could not create a Flogo application from an API specification that had a 400 response code with a schema response.
FLOGO-2855 A flow was unable to capture the body of the response when Invoke API returned a 400 error.
Key Description
FLOGO-2466 Use of any "trigger output" was not supported in "trigger output" to "flow input" array mappings. Also, use of "flow output" was not supported in "flow output" to trigger reply array mappings.
FLOGO-2432 After upgrading a connector, if you tried to uninstall the connector, the following error was displayed:
bash: ./installmgr.sh: No such file or directory.
FLOGO-2187 When the Iterator key was used as an array index, the following error was displayed and the flow execution failed:
index based access expected for an array
FLOGO-2171 Application properties updated in the AWS Parameter Store were not propagated to Lambda functions when self deploy (./App --deploy) mode was used. The flow continued to use the default value for such properties.
FLOGO-646 Formatting and parsing of date and time to a MM-DD-YYYY format was not supported.
Release 2.6.1
Key Description
FLOGO-3204 Flogo applications exported from Project Flogo™ version 0.9.0 could not be imported into Flogo® Enterprise 2.6.0.
FLOGO-3186 You were not able to import a Swagger specification which did not have any unsupported methods or paths while creating flows. This has been fixed.
FLOGO-3160 Flogo Enterprise Web UI did not return a validation error for invalid credentials in Connections.
FLOGO-3154 Failed to get data from Marketo Upsert or Delete activity's output errors field.
FLOGO-3152 On Windows platforms, you could not uninstall Flogo Enterprise using the
installmgr script.
FLOGO-3141 When an app was imported, input data (string) in a subflow activity was lost.
FLOGO-3133 After upgrading Flogo Enterprise from 2.x to 2.6.0, if the application had an OSS activity, the Flogo tester failed to run and displayed the following error
message:
Failed to create engine: %!s(MISSING) error unmarshalling flow:
activity '#error' not imported.
Release 2.6.0
Key Description
FLOGO-2923 For an empty condition, an error was not returned and the condition was evaluated as true at runtime.
FLOGO-2695 Building a Flogo application binary through UI and testing the Flogo application through Flogo tester did not work.
FLOGO-2512 If you created a Flogo application from an API specification, the flows for the REST methods that had query or path parameters of type integer or long were not created even though the application was created successfully.
FLOGO-2403 To run Flogo Enterprise on the Docker toolbox, you had to do the following:
● provide the virtualbox read/write access if it was installed in any directory other than the home directory hierarchy.
● make the following changes in the bash script file:
SET DATA_DIR="/c/Users/<username>/
customer_docker_18.09.01_toolbox/flogo/data"
SET FLOGO_HOME="/c/Users/<username>/
customer_docker_18.09.01_toolbox/flogo/2.3"
SET TOOLS_DIR="/c/Users/<username>/
customer_docker_18.09.01_toolbox/flogo/tools"
SET SERVICES_DIR_LOCAL="/c/Users/<username>/
customer_docker_18.09.01_toolbox/flogo/services"
ECHO %DATA_DIR%
ECHO %FLOGO_HOME%
ECHO %TOOLS_DIR%
ECHO %SERVICES_DIR_LOCAL%
Release 2.5.0
Key Description
FLOGO-2404 If you imported an application that contained a connection extension, the application got imported without errors, but you had to recreate the connection after importing the application. The connection detail are now preserved except for the password which must be reset in the imported application.
FLOGO-2396 When invoking a Flogo service from LiveApps, LiveApps didn't get response from the Flogo service. This issue has now been fixed.
Release 2.4.0
Key Description
FLOGO-2103 If the InvokeRESTAPI activity URL contained "--", it gave an error at design time for Flogo applications. This has now been fixed.
FLOGO-2022 Flogo Enterprise now supports nested ternary operators.
Key Description
FLOGO-2021 If you removed the array.forEach() from the root element, all the mappings underneath would get deleted. This issue is now fixed.
FLOGO-1999 On certain Windows machines, the uninstall service would fail. This issue has now been fixed.
FLOGO-1925 When overriding a property from the CLI using the
FLOGO_APP_PROPS_OVERRIDE environment variable, if your value was a query that used the comma delimiter, you encountered an error. This issue has now been fixed.
FLOGO-1833 The XPATH expression count() which is used to get the number of array items is now available for Flogo applications.
FLOGO-1723 Fixed an issue when running run-studio.sh as a regular user, you received a
"permission denied" error.
FLOGO-578 When using branch conditions in Flogo applications, you received error messages when the conditions contained special characters (Expected "(",
",", ".", "/*", "//", ";", "[", comment, end of line, or whitespace but "<" found.) but the condition would work and the flow executed as per the condition provided.
FLOGO-368 If the schema entered in the Input and/or Output tab of a REST activity or trigger contains reserved names in the schema attributes, after the application is imported into Flogo Enterprise Flogo Enterprise, such attributes get treated as special characters which results in runtime errors. The reserved names to avoid in schemas is now documented in the product documentation under the
"Mapper" section.
FLOGO-324 When uploading an application that contained a subflow, the subflow-related configurations did not get imported.
Release 2.3.0
Key Description
FLOGO-1443 Fixed an issue where if your Flogo application used any Flogo connector using OAUTH for authentication, the application binary built using the Flogo CLI tool did not work at runtime.
FLOGO-1405 Flogo applications exported from prior versions such as 2.0.0 or 2.1.0 were not compatible with the Flogo CLI tool.
FLOGO-325 When uploading an application that contains an iterator, the iterator-related configurations did not get imported.
FLOGO-313 When uploading an application that contained application properties, the application properties related configurations did not get imported.
Known Issues
The following issues exist in this release of TIBCO Flogo® Enterprise.
Key Description
FLOGO-6269 Summary: After renaming a Flogo app, the app name field is not editable.
Workaround: Navigate to the app list page, navigate back to the app implementation and then edit the app name.
FLOGO-6237
Summary: Using literal values in the string.join function in a Flogo app fails both at design and run time.
Workaround: None FLOGO-6234
Summary: For database connectors with manual mode set to true, after you hit the Clear Table widget, the subsequent fetch query fails.
Workaround: Toggle Manually Configure Metadata to false and then back to true.
FLOGO-6233
Summary: For DBConnectors (MySQL, Postgres, SQLServer, and Oracle), when the manual mode is switched to true, and you enter a query and click Fetch, the table is populated with metadata. After that, when you click Add row, all previous metadata disappears.
Workaround: None FLOGO-6216
Summary: You cannot multiply float64 with a JSON number. An error is thrown at runtime when using the multiply operation in the mapper for the number field.
Workaround: Use the coerce.Float64() function to convert number field to
float64 and then use it for multiplying.
FLOGO-6175
Summary: On the Windows platform, if you click the Create/Import button multiple times, the Web UI becomes unresponsive for a period of time. When the Web UI finally becomes responsive, the number of apps displayed will be the number of times you clicked the Create/Import button. For each click, one new app gets created.
Workaround: Wait for the UI to respond. Do not click the Create/Import multiple times.
FLOGO-6031
Summary: In InvokeRestService activity, application level schema toggle should not be displayed for plain/text and other type request/response.
Workaround: None
