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ASF GitHub Bot commented on KAFKA-4163: --------------------------------------- Github user asfgit closed the pull request at: https://github.com/apache/kafka/pull/1845 > NPE in StreamsMetadataState during re-balance operations > -------------------------------------------------------- > > Key: KAFKA-4163 > URL: https://issues.apache.org/jira/browse/KAFKA-4163 > Project: Kafka > Issue Type: Bug > Components: streams > Affects Versions: 0.10.1.0 > Reporter: Damian Guy > Assignee: Damian Guy > Fix For: 0.10.1.0 > > > During rebalance operations it is possible that an NPE can be thrown on > StreamsMetadataState operations. We should first check it the Cluster object > is non-empty. If it is empty we should return StreamsMetadata.NOT_AVAILABLE. > Also, we should tidy up InvalidStateStoreException messages in the store API > to suggest that the store may have migrated to another instance -- This message was sent by Atlassian JIRA (v6.3.4#6332)