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ASF GitHub Bot commented on FLINK-7369: --------------------------------------- Github user asdf2014 closed the pull request at: https://github.com/apache/flink/pull/4474 > 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) > ``` -- This message was sent by Atlassian JIRA (v6.4.14#64029)