Details
Blocker Description
After upgrading our job to Flink 1.5, they are unable to recover from failure with the following exception appears repeatedly
2018-05-29 04:56:06,086 [ jobmanager-future-thread-36] INFO o.a.f.r.e.ExecutionGraph Try to restart or fail the job xxx (23d9e87bf43ce163ff7db8afb062fb1d) if no longer possible. 2018-05-29 04:56:06,086 [ jobmanager-future-thread-36] INFO o.a.f.r.e.ExecutionGraph Job xxx (23d9e87bf43ce163ff7db8afb062fb1d) switched from state RESTARTING to RESTARTING. 2018-05-29 04:56:06,086 [ jobmanager-future-thread-36] INFO o.a.f.r.e.ExecutionGraph Restarting the job xxx (23d9e87bf43ce163ff7db8afb062fb1d). 2018-05-29 04:57:06,086 [ jobmanager-future-thread-36] WARN o.a.f.r.e.ExecutionGraph Failed to restart the job. java.lang.NullPointerException at org.apache.flink.runtime.jobmanager.scheduler.CoLocationConstraint.isAssignedAndAlive(CoLocationConstraint.java:104) at org.apache.flink.runtime.jobmanager.scheduler.CoLocationGroup.resetConstraints(CoLocationGroup.java:119) at org.apache.flink.runtime.executiongraph.ExecutionGraph.restart(ExecutionGraph.java:1247) at org.apache.flink.runtime.executiongraph.restart.ExecutionGraphRestartCallback.triggerFullRecovery(ExecutionGraphRestartCallback.java:59) at org.apache.flink.runtime.executiongraph.restart.FixedDelayRestartStrategy$1.run(FixedDelayRestartStrategy.java:68) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)
