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From Chesnay Schepler <chesnay.schep...@fu-berlin.de>
Subject Cluster execution - Jobmanager unreachable
Date Wed, 04 Feb 2015 13:49:45 GMT
Hello,

I'm trying to run python jobs with the latest master on a cluster and 
get the following exception:

Error: The program execution failed: JobManager not reachable anymore. 
Terminate waiting for job answer.
org.apache.flink.client.program.ProgramInvocationException: The program 
execution failed: JobManager not reachable anymore. Terminate waiting 
for job answer.
     at org.apache.flink.client.program.Client.run(Client.java:345)
     at org.apache.flink.client.program.Client.run(Client.java:304)
     at org.apache.flink.client.program.Client.run(Client.java:298)
     at 
org.apache.flink.client.program.ContextEnvironment.execute(ContextEnvironment.java:55)
     at 
org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:677)
     at 
org.apache.flink.languagebinding.api.java.python.PythonPlanBinder.runPlan(PythonPlanBinder.java:106)
     at 
org.apache.flink.languagebinding.api.java.python.PythonPlanBinder.main(PythonPlanBinder.java:79)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
     at java.lang.reflect.Method.invoke(Method.java:606)
     at 
org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:437)
     at 
org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:353)
     at org.apache.flink.client.program.Client.run(Client.java:250)
     at 
org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:387)
     at org.apache.flink.client.CliFrontend.run(CliFrontend.java:356)
     at 
org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1066)
     at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1090)

In the jobmanager log file i find this exception:

java.lang.IllegalStateException: Buffer has already been recycled.
         at 
org.apache.flink.shaded.com.google.common.base.Preconditions.checkState(Preconditions.java:176)
         at 
org.apache.flink.runtime.io.network.buffer.Buffer.ensureNotRecycled(Buffer.java:131)
         at 
org.apache.flink.runtime.io.network.buffer.Buffer.setSize(Buffer.java:95)
         at 
org.apache.flink.runtime.io.network.api.serialization.SpanningRecordSerializer.getCurrentBuffer(SpanningRecordSerializer.java:151)
         at 
org.apache.flink.runtime.io.network.api.writer.RecordWriter.clearBuffers(RecordWriter.java:158)
         at 
org.apache.flink.runtime.operators.RegularPactTask.clearWriters(RegularPactTask.java:1533)
         at 
org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:367)
         at 
org.apache.flink.runtime.execution.RuntimeEnvironment.run(RuntimeEnvironment.java:204)
         at java.lang.Thread.run(Thread.java:745)

the same exception is in the task manager logs, along with the following 
one:

java.util.concurrent.TimeoutException: Futures timed out after [100 seconds]
         at 
scala.concurrent.impl.Promise$DefaultPromise.ready(Promise.scala:219)
         at 
scala.concurrent.impl.Promise$DefaultPromise.result(Promise.scala:223)
         at 
scala.concurrent.Await$$anonfun$result$1.apply(package.scala:107)
         at 
scala.concurrent.BlockContext$DefaultBlockContext$.blockOn(BlockContext.scala:53)
         at scala.concurrent.Await$.result(package.scala:107)
         at 
org.apache.flink.runtime.akka.AkkaUtils$.ask(AkkaUtils.scala:265)
         at org.apache.flink.runtime.akka.AkkaUtils.ask(AkkaUtils.scala)
         at 
org.apache.flink.runtime.io.network.partition.IntermediateResultPartition.scheduleOrUpdateConsumers(IntermediateResultPartition.java:247)
         at 
org.apache.flink.runtime.io.network.partition.IntermediateResultPartition.maybeNotifyConsumers(IntermediateResultPartition.java:240)
         at 
org.apache.flink.runtime.io.network.partition.IntermediateResultPartition.add(IntermediateResultPartition.java:144)
         at 
org.apache.flink.runtime.io.network.api.writer.BufferWriter.writeBuffer(BufferWriter.java:74)
         at 
org.apache.flink.runtime.io.network.api.writer.RecordWriter.emit(RecordWriter.java:91)
         at 
org.apache.flink.runtime.operators.shipping.OutputCollector.collect(OutputCollector.java:88)
         at 
org.apache.flink.languagebinding.api.java.common.streaming.Receiver.collectBuffer(Receiver.java:253)
         at 
org.apache.flink.languagebinding.api.java.common.streaming.Streamer.streamBufferWithoutGroups(Streamer.java:193)
         at 
org.apache.flink.languagebinding.api.java.python.functions.PythonMapPartition.mapPartition(PythonMapPartition.java:54)
         at 
org.apache.flink.runtime.operators.MapPartitionDriver.run(MapPartitionDriver.java:98)
         at 
org.apache.flink.runtime.operators.RegularPactTask.run(RegularPactTask.java:496)
         at 
org.apache.flink.runtime.operators.RegularPactTask.invoke(RegularPactTask.java:360)
         at 
org.apache.flink.runtime.execution.RuntimeEnvironment.run(RuntimeEnvironment.java:204)
         at java.lang.Thread.run(Thread.java:745)


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