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https://issues.apache.org/jira/browse/FLINK-7369?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16114146#comment-16114146
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ASF GitHub Bot commented on FLINK-7369:
---------------------------------------
Github user StefanRRichter commented on the issue:
https://github.com/apache/flink/pull/4474
Hi,
sorry that I saw this PR too late because Jira was hanging and I only saw
the email of the opened issue. I already merged a fix for this to master and
1.3. I would have also suggested to remove the offset information from the
message. From the user, the bounds and the index should be enough information.
Can you please close the PR?
> Add more information for `Key group index out of range of key group range`
> exception
> ------------------------------------------------------------------------------------
>
> Key: FLINK-7369
> URL: https://issues.apache.org/jira/browse/FLINK-7369
> Project: Flink
> Issue Type: Improvement
> Components: Local Runtime
> Reporter: Benedict Jin
> Assignee: Benedict Jin
>
> When i got the following exception log, it make me confused that the index is
> more than `32` or less than `16`. So, we should add more information for it.
> ```java
> java.lang.IllegalArgumentException: Key group index out of range of key group
> range [16, 32).
> at
> org.apache.flink.runtime.state.heap.NestedMapsStateTable.setMapForKeyGroup(NestedMapsStateTable.java:104)
> at
> org.apache.flink.runtime.state.heap.NestedMapsStateTable.putAndGetOld(NestedMapsStateTable.java:218)
> at
> org.apache.flink.runtime.state.heap.NestedMapsStateTable.put(NestedMapsStateTable.java:207)
> at
> org.apache.flink.runtime.state.heap.NestedMapsStateTable.put(NestedMapsStateTable.java:145)
> at
> org.apache.flink.runtime.state.heap.HeapValueState.update(HeapValueState.java:72)
> at
> org.apache.flink.cep.operator.AbstractKeyedCEPPatternOperator.updateNFA(AbstractKeyedCEPPatternOperator.java:276)
> at
> org.apache.flink.cep.operator.AbstractKeyedCEPPatternOperator.processElement(AbstractKeyedCEPPatternOperator.java:171)
> at
> org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:206)
> at
> org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:69)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:263)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:702)
> at java.lang.Thread.run(Thread.java:745)
> ```
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