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[EPIC] Task Listeners #21974

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40 of 58 tasks
ana-vinogradova-camunda opened this issue Sep 5, 2024 · 2 comments
Open
40 of 58 tasks

[EPIC] Task Listeners #21974

ana-vinogradova-camunda opened this issue Sep 5, 2024 · 2 comments
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@korthout @ce-dmelnych @ana-vinogradova-camunda
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component/zeebe Related to the Zeebe component/team kind/epic Categorizes an issue as an umbrella issue (e.g. OKR) which references other, smaller issues version:8.7.0-alpha3

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@ana-vinogradova-camunda
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ana-vinogradova-camunda commented Sep 5, 2024 •
edited by korthout
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Introduction

Currently, Tasklist doesn’t provide any events describing what is happening in tasks.

This blocks technical use cases that require visibility into task state changes, such as managing tasks in a custom task list, assigning users based on custom logic or notifying users about new tasks.
Working with user tasks produces multiple lifecycle events, where each of them might be important to react to. With the current solution, customers need to consume lifecycle events (available only in Self-Managed) in their systems and react to events in a specific way. This is a problem as to satisfy this need customers have to provide additional infrastructure (to consume and store events), filter Zeebe events and react to specific ones. This approach might work only in self-managed installations with a custom Tasklist application.
The lack of this functionality prevents satisfying some HTO use cases where customers need to react to lifecycle events.
This epic addresses the need to unlock multiple human task orchestration use cases.

Task breakdown

✅ Iteration 1

Iteration 1 - Blocking Complete Listener E2E increment - Target End of September
Preview Give feedback
  1. [POC] Introduce Task Listeners support for UserTask element #21491
    component/zeebe kind/research kind/task
    ana-vinogradova-camunda ce-dmelnych
  2. Define Task Listeners for Zeebe User task using BPMN model API #21975
    component/zeebe kind/task version:8.6.0
    ce-dmelnych
  3. Update Executable Model and Transformers to support User Task listeners #21976
    component/zeebe kind/task version:8.6.0
    ce-dmelnych
  4. Introduce Task Listener support for complete operation #21977
    component/zeebe kind/task version:8.7.0-alpha1
    ce-dmelnych

✅ Iteration 2

Iteration 2 - Iterate on the complete listener - Target 8.7.0-alpha1
Preview Give feedback
  1. Prepare a POC for User Task Listener dedicated client #22398
    component/zeebe kind/task
    ana-vinogradova-camunda
  2. Respond to COMPLETE user task command after task listener execution #23925
    component/zeebe kind/task version:8.7.0-alpha1
    ce-dmelnych
  3. Provide access to complete event variables in Task Listener #24101
    component/zeebe kind/task version:8.7.0-alpha2
    korthout
  4. Reject task listener job completion with variables #24056
    component/zeebe kind/task version:8.7.0-alpha2 version:8.8.0-alpha1
    ce-dmelnych

✅ Iteration 3

Iteration 3 - Assignment listener + listener abilities - Target 8.7.0-alpha2
Preview Give feedback
  1. Support a basic assignment task listener #24232
    7 of 7
    component/zeebe kind/task version:8.7.0-alpha2 version:8.8.0-alpha1
    ce-dmelnych
  2. Teach Task Listeners how to reject events #23709
    2 of 2
    component/zeebe kind/feature version:8.7.0-alpha2 version:8.8.0-alpha1
    ana-vinogradova-camunda
  3. Incident recovery for Execution Listeners does not work when retries are exhausted #23383
    component/operate kind/bug version:8.6.5 version:8.7.0-alpha2
    Szik ThorbenLindhauer
  4. Expand listeners endpoint body to contain flowNodeInstanceId field #23942
    component/backend component/operate kind/feature version:8.7.0-alpha2 version:8.8.0-alpha1
    kristinkomschow ralfpuchert
  5. Expand request body to allow filtering by listener type #23944
    component/backend component/operate kind/feature
    kristinkomschow mihail-ca
  6. Add new error types to ErrorType enum #23945
    component/backend component/operate kind/feature
    kristinkomschow
  7. Display Listeners for specific flow node instance #23941
    component/frontend component/operate kind/feature version:8.7.0-alpha2 version:8.8.0-alpha1
    vitorwtavares
  8. Add action to compact user task logging #24234
    component/zeebe kind/task version:8.7.0-alpha2 version:8.8.0-alpha1
    ce-dmelnych
  9. Support user task listeners camunda-modeler#4590
    Camunda 8 modeling
    misiekhardcore

✅ Iteration 4

Iteration 4 - Feature wrap up - Target 8.7.0-alpha3
Preview Give feedback
  1. Operation rejection from Task Listeners: changes to Java Client #24556
    component/zeebe kind/task version:8.8.0-alpha1
    ana-vinogradova-camunda
  2. Task Listener for assign operation (expansion) #24197
    4 of 5
    component/zeebe kind/feature
    ce-dmelnych
  3. Introduce CLAIMING event and lifecycle state for User Task #25408
    component/zeebe kind/feature kind/task version:8.8.0-alpha1
    ce-dmelnych
  4. Add validation of unsupported Task Listener event types in process definition #24607
    component/zeebe kind/task version:8.8.0-alpha1
    ana-vinogradova-camunda
  5. Implement incident recovery after task listener expression evaluation failures #22717
    component/zeebe kind/task version:8.7.0-alpha3 version:8.8.0-alpha1
    ce-dmelnych
  6. Provide access to event action and priority properties in Task Listener #24102
    component/zeebe kind/task version:8.7.0-alpha3 version:8.8.0-alpha1
    ce-dmelnych
  7. Resolving incidents with error type TASK_LISTENER_NO_RETRIES #23946
    component/backend component/operate kind/feature
    ArezooAzar kristinkomschow
  8. Utilize a dedicated error type for Task Listener jobs when no retries left #23492
    component/zeebe kind/task version:8.7.0-alpha3 version:8.8.0-alpha1
    ce-dmelnych
  9. Add dropdown filter for filtering by listener type #23943
    component/frontend component/operate kind/feature version:8.8.0-alpha1
    vitorwtavares
  10. Teach Task Listeners how to change user task data #23708
    8 of 8
    component/zeebe kind/feature
    korthout
  11. Add validation of unsupported task listener event types to 8.6 #25607
    component/zeebe kind/task version:8.6.7
    ana-vinogradova-camunda
  12. Show Task Listener Event Types correctly in Operate #23728
    component/operate kind/feature
    kristinkomschow pedesen
    ralfpuchert vitorwtavares
  13. Allow Tasklist to handle rejections #25419
    version:8.7.0-alpha3 version:8.8.0-alpha1
    tsedekey
  14. Use gerund as user task listener event types #25541
    4 of 4
    kind/task
    korthout
  15. Use gerunds as User Task Listener Event Types in Modeler #25543
    kind/task
    barmac
  16. Add documentation on User Task Listeners #25502
    8 of 8
    kind/documentation
    ana-vinogradova-camunda ce-dmelnych
    korthout
  17. Test(s) for resolving TASK_LISTENER_NO_RETRIES error #25451
    1 of 1
    area/test component/backend component/operate kind/task support
    kristinkomschow sdorokhova

Remaining must-have scope - Target 8.8.0-alpha5
Preview Give feedback
  1. [EPIC] Listen to the user task updating event #26934
    component/operate component/tasklist component/zeebe kind/epic
    ce-dmelnych
  3. [EPIC] Listen to the user task canceling event #28479
    component/zeebe kind/epic
  4. Allow task listener to provide reason to deny #27141
    1 of 6
    area/observability component/operate component/tasklist component/zeebe
    ana-vinogradova-camunda

Stretch goals
Preview Give feedback
  2. Turn Task Listener variables into local variables only when the operation finishes #23702
    component/zeebe kind/task
    ana-vinogradova-camunda ce-dmelnych
  3. Expose User Task properties to job worker java client through dedicated methods #25890
  4. Improve Tasklist UX when listener blocks operation #25421
    tsedekey
  5. Move the evaluation of listener expressions to element activation #24107
    component/zeebe kind/task

Out of scope
Preview Give feedback

Known bugs
Preview Give feedback
  2. Listeners tab and listener type filter visibility #25387
    component/frontend component/operate kind/task
    vitorwtavares
  3. Unassign Flow with userTask Listeners Does Not Properly Update Task Assignee #26614
    component/tasklist component/zeebe kind/bug version:8.8.0-alpha1
    ce-dmelnych
  4. 8.7: Incident is not shown in Operate UI after archiver has run #26701
    component/zeebe impact/high kind/bug likelihood/high severity/high version:8.8.0-alpha1
    panagiotisgts
  5. When canceling instance, not all listener jobs are cleaned up #26786
    component/zeebe kind/bug likelihood/unknown severity/high version:8.8.0-alpha1
    korthout
  6. Incident query filter does not support the new error types #26787
    component/c8-api component/operate kind/bug support
    ce-dmelnych
  7. When unassigning, assignee is shown multiple times as a corrected attribute in Operate #26791
    component/operate component/zeebe kind/bug likelihood/high severity/low version:8.8.0-alpha1
    ce-dmelnych
  8. No enum constant ZeebeTaskListenerEventType.completing #26809
    component/zeebe kind/bug
  9. Unable to scroll through long list of listeners in Operate #26828
    component/operate kind/bug support
    vitorwtavares
  10. User task listener job headers include initial properties after they been cleared #27177
    component/zeebe kind/bug version:8.8.0-alpha1
    ce-dmelnych

Links
@ana-vinogradova-camunda ana-vinogradova-camunda added the component/zeebe Related to the Zeebe component/team label Sep 5, 2024
@ana-vinogradova-camunda ana-vinogradova-camunda added the kind/epic Categorizes an issue as an umbrella issue (e.g. OKR) which references other, smaller issues label Sep 5, 2024
@korthout korthout self-assigned this Oct 9, 2024
@engineering-issue-sync-app engineering-issue-sync-app bot mentioned this issue Sep 5, 2024
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@vitorwtavares vitorwtavares changed the title [EPIC] Zeebe Task Listeners [EPIC] Task Listeners Oct 24, 2024
@kristinkomschow kristinkomschow mentioned this issue Dec 10, 2024
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@korthout korthout mentioned this issue Jan 8, 2025
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github-merge-queue bot pushed a commit that referenced this issue Jan 9, 2025
@korthout
Support migrating user task with active task listener (#26644)
b23220d 
## Description

<!-- Describe the goal and purpose of this PR. -->
With the recently introduced User Task Listeners, a new case arose for
Process Instance Migration: migrate the active Task Listener Job when
migrating a completing User Task instance.

This PR only adds a test case and does not require any production code
changes because of the generic job migration implementation of Process
Instance Migration.

## Related issues

NA

relates to:
- #17346
- #21974
@korthout
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korthout commented Jan 17, 2025 •
edited by ce-dmelnych
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The feature was released in 8.7.0-alpha3. Since then the following bugs were discovered:

@korthout korthout reopened this Feb 20, 2025
@korthout
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I'm re-opening this issue, to help track the scope we plan to deliver with 8.8

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@korthout @ce-dmelnych @ana-vinogradova-camunda