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[jira] [Created] (FLINK-9974) "Implementation error: Unhandled exception" in CheckpointingStatisticsHandler


Nico Kruber created FLINK-9974:
----------------------------------

             Summary: "Implementation error: Unhandled exception" in CheckpointingStatisticsHandler
                 Key: FLINK-9974
                 URL: https://issues.apache.org/jira/browse/FLINK-9974
             Project: Flink
          Issue Type: Bug
          Components: Distributed Coordination
    Affects Versions: 1.5.1, 1.5.0, 1.5.2, 1.6.0, 1.7.0
            Reporter: Nico Kruber


{code}
2018-07-22 16:12:21.252 ERROR o.a.f.r.r.h.j.c.CheckpointingStatisticsHandler - Implementation error: Unhandled exception.
java.util.concurrent.CancellationException: null
    at java.util.concurrent.CompletableFuture.cancel(CompletableFuture.java:2263)
    at org.apache.flink.runtime.rest.handler.legacy.ExecutionGraphCache.getExecutionGraph(ExecutionGraphCache.java:124)
    at org.apache.flink.runtime.rest.handler.job.AbstractExecutionGraphHandler.handleRequest(AbstractExecutionGraphHandler.java:76)
    at org.apache.flink.runtime.rest.handler.AbstractRestHandler.respondToRequest(AbstractRestHandler.java:77)
    at org.apache.flink.runtime.rest.AbstractHandler.respondAsLeader(AbstractHandler.java:144)
    at org.apache.flink.runtime.rest.handler.RedirectHandler.lambda$null$0(RedirectHandler.java:139)
    at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
    at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
    at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
    at org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)
    at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
    at org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
    at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
    at java.lang.Thread.run(Thread.java:748)
{code}
and
{code}
2018-07-22 16:20:26.444 ERROR o.a.f.r.r.h.job.JobDetailsHandler    - Implementation error: Unhandled exception.
java.util.concurrent.CancellationException: null
    at java.util.concurrent.CompletableFuture.cancel(CompletableFuture.java:2263)
    at org.apache.flink.runtime.rest.handler.legacy.ExecutionGraphCache.getExecutionGraph(ExecutionGraphCache.java:124)
    at org.apache.flink.runtime.rest.handler.job.AbstractExecutionGraphHandler.handleRequest(AbstractExecutionGraphHandler.java:76)
    at org.apache.flink.runtime.rest.handler.AbstractRestHandler.respondToRequest(AbstractRestHandler.java:77)
    at org.apache.flink.runtime.rest.AbstractHandler.respondAsLeader(AbstractHandler.java:144)
    at org.apache.flink.runtime.rest.handler.RedirectHandler.lambda$null$0(RedirectHandler.java:139)
    at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
    at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
    at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:442)
    at org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:357)
    at org.apache.flink.shaded.netty4.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
    at org.apache.flink.shaded.netty4.io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
    at org.apache.flink.shaded.netty4.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
    at java.lang.Thread.run(Thread.java:748)
{code}



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