apache/dolphinscheduler

[Bug] [Flink] stop flink job error

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#16,789 opened on Nov 11, 2024

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 (4 comments) (0 reactions) (0 assignees)Java (11,659 stars) (4,324 forks)batch import
buggood first issue

Description

Search before asking

  • I had searched in the issues and found no similar issues.

What happened

When I stopped the Flink task on the page, the worker node log reported an error and failed to send the kill signal

What you expected to happen

image

How to reproduce

Run a task for a Flink component node and then stop through the page.

Anything else

No response

Version

3.2.x

Are you willing to submit PR?

  • Yes I am willing to submit a PR!

Code of Conduct

Contributor guide

Tech stack
java
Domain
backenddata
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
JavaFlinkDolphinScheduler worker process
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50
Research direction
Examine the worker node code responsible for stopping Flink tasks, likely in `dolphinscheduler worker/src/main/java/org/apache/dolphinscheduler/worker/task/flink/`. Focus on the kill signal sending mechanism. Review the 4 comments on the issue for additional context and potential solutions.