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Kostas Kloudas commented on FLINK-7880: --------------------------------------- I will keep on investigating *BUT* I commented out the {{queryable state}} code from the tests and they still seem to fail even locally with: {code} libc++abi.dylib: terminating with uncaught exception of type std::__1::system_error: mutex lock failed: Invalid argument /bin/sh: line 1: 10553 Abort trap: 6 /Library/Java/JavaVirtualMachines/jdk1.8.0_60.jdk/Contents/Home/jre/bin/java -Xms256m -Xmx2048m -Dmvn.forkNumber=1 -XX:+UseSerialGC -jar /Users/kkloudas/repos/dataartisans/flink/flink-queryable-state/flink-queryable-state-runtime/target/surefire/surefirebooter6530581495710923655.jar /Users/kkloudas/repos/dataartisans/flink/flink-queryable-state/flink-queryable-state-runtime/target/surefire/surefire7293759706604721607tmp /Users/kkloudas/repos/dataartisans/flink/flink-queryable-state/flink-queryable-state-runtime/target/surefire/surefire_87379374358455308985tmp {code} You can find my code here https://github.com/kl0u/flink/tree/more-than-qs and to reproduce, go to the {{flink-queryable-state}} dir and run a couple of times {{mvn verify}}. At least on my machine this reproduces the problem. > 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)