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Gary Yao commented on FLINK-7880: --------------------------------- I have further isolated the problem. The problem still appears even if you are running a single test method. I tried {{NonHAQueryableStateRocksDBBackendITCase#testValueState}} and even replaced the state query with a {{Thread.sleep(400)}}. My changes to the code are documented here: https://github.com/apache/flink/compare/master...GJL:FLINK-7880?expand=1 To run the tests, I use the command below. Note that multiple iterations may be required. Hence, the {{while}} loop. {noformat} while mvn -o clean verify -Dtest=NonHAQueryableStateRocksDBBackendITCase -DfailIfNoTests=false -Dcheckstyle.skip; do :; done {noformat} > flink-queryable-state-java fails with core-dump > ----------------------------------------------- > > Key: FLINK-7880 > URL: https://issues.apache.org/jira/browse/FLINK-7880 > Project: Flink > Issue Type: Bug > Components: Queryable State, Tests > Affects Versions: 1.4.0 > Reporter: Till Rohrmann > Assignee: Kostas Kloudas > Priority: Blocker > Labels: test-stability > Fix For: 1.4.0 > > > The {{flink-queryable-state-java}} module fails on Travis with a core dump. > https://travis-ci.org/tillrohrmann/flink/jobs/289949829 -- This message was sent by Atlassian JIRA (v6.4.14#64029)