Flyraty opened a new issue #11655:
URL: https://github.com/apache/druid/issues/11655
Kakfa supervisor fails intermittently.
### Affected Version
0.16.0
### Description
Kakfa supervisor fails intermittently for this error。
`
{
"timestamp": "2021-09-03T07:16:53.506Z",
"exceptionClass": "org.apache.druid.java.util.common.IAE",
"message": "org.apache.druid.java.util.common.IAE: Expected instance
of org.apache.druid.indexing.seekablestream.SeekableStreamEndSequenceNumbers,
got
org.apache.druid.indexing.seekablestream.SeekableStreamStartSequenceNumbers\n\tat
org.apache.druid.indexing.seekablestream.SeekableStreamEndSequenceNumbers.minus(SeekableStreamEndSequenceNumbers.java:159)\n\tat
org.apache.druid.indexing.seekablestream.SeekableStreamDataSourceMetadata.minus(SeekableStreamDataSourceMetadata.java:95)\n\tat
org.apache.druid.indexing.seekablestream.supervisor.SeekableStreamSupervisor.resetInternal(SeekableStreamSupervisor.java:1210)\n\tat
org.apache.druid.indexing.seekablestream.supervisor.SeekableStreamSupervisor.getOffsetFromStorageForPartition(SeekableStreamSupervisor.java:2517)\n\tat
org.apache.druid.indexing.seekablestream.supervisor.SeekableStreamSupervisor.generateStartingSequencesForPartitionGroup(SeekableStreamSupervisor.java:2494)\n\tat
org.apache.druid.indexing.seekablestream.supervisor.
SeekableStreamSupervisor.createNewTasks(SeekableStreamSupervisor.java:2392)\n\tat
org.apache.druid.indexing.seekablestream.supervisor.SeekableStreamSupervisor.runInternal(SeekableStreamSupervisor.java:1068)\n\tat
org.apache.druid.indexing.seekablestream.supervisor.SeekableStreamSupervisor$RunNotice.handle(SeekableStreamSupervisor.java:292)\n\tat
org.apache.druid.indexing.seekablestream.supervisor.SeekableStreamSupervisor.lambda$tryInit$3(SeekableStreamSupervisor.java:751)\n\tat
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)\n\tat
java.util.concurrent.FutureTask.run(FutureTask.java:266)\n\tat
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\tat
java.lang.Thread.run(Thread.java:748)\n",
"streamException": false
},
`
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