Chesnay Schepler created FLINK-8789:
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Summary: StoppableFunctions sometimes not detected
Key: FLINK-8789
URL: https://issues.apache.org/jira/browse/FLINK-8789
Project: Flink
Issue Type: Bug
Components: Streaming
Affects Versions: 1.5.0
Reporter: Chesnay Schepler
While porting the {{TimestampITCase}} i got a strange exception in the logs
when running {{testWatermarkPropagationNoFinalWatermarkOnStop}}:
{code:java}
Caused by: java.lang.UnsupportedOperationException: Stopping not supported by
task Source: Custom Source (1/1) (87f44b422280be896bdf44766ebeb53e).
at org.apache.flink.runtime.taskmanager.Task.stopExecution(Task.java:965)
at
org.apache.flink.runtime.taskexecutor.TaskExecutor.stopTask(TaskExecutor.java:549)
... 18 more{code}
This source however implements the {{StoppableFunction}} interface.
This happens also against a legacy cluster.
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