vvcephei commented on pull request #8994:
URL: https://github.com/apache/kafka/pull/8994#issuecomment-656952992
Huh, one of those tests hit:
```
Exception in thread
"stream-thread-test-87bf53a8-54f2-485f-a4b6-acdbec0a8b3d-StreamThread-1"
java.util.ConcurrentModificationException
at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1211)
at java.util.TreeMap$ValueIterator.next(TreeMap.java:1256)
at java.util.AbstractCollection.toArray(AbstractCollection.java:141)
at java.util.LinkedList.addAll(LinkedList.java:408)
at java.util.LinkedList.addAll(LinkedList.java:387)
at java.util.LinkedList.<init>(LinkedList.java:119)
at
org.apache.kafka.streams.processor.internals.TaskManager.needsInitializationOrRestoration(TaskManager.java:1175)
at
org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:654)
at
org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:551)
at
org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:510)
```
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