Hi,
We are submitting a flink(1.9.1) job for data processing. It runs fine and
processes data for sometime i.e. ~30 mins and later it throws following
exception and job gets killed.
2020-04-02 14:15:43,371 INFO org.apache.flink.runtime.taskmanager.Task
- Sink: Unnamed (2/4) (45d01514f0fb99602883ca43e997e8f3)
switched from RUNNING to FAILED.
java.io.EOFException
at
org.apache.flink.core.memory.DataInputDeserializer.readUnsignedByte(DataInputDeserializer.java:321)
at
org.apache.flink.types.StringValue.readString(StringValue.java:769)
at
org.apache.flink.api.common.typeutils.base.StringSerializer.deserialize(StringSerializer.java:75)
at
org.apache.flink.api.common.typeutils.base.StringSerializer.deserialize(StringSerializer.java:33)
at
org.apache.flink.streaming.runtime.streamrecord.StreamElementSerializer.deserialize(StreamElementSerializer.java:205)
at
org.apache.flink.streaming.runtime.streamrecord.StreamElementSerializer.deserialize(StreamElementSerializer.java:46)
at
org.apache.flink.runtime.plugable.NonReusingDeserializationDelegate.read(NonReusingDeserializationDelegate.java:55)
at
org.apache.flink.runtime.io.network.api.serialization.SpillingAdaptiveSpanningRecordDeserializer.getNextRecord(SpillingAdaptiveSpanningRecordDeserializer.java:141)
at
org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.pollNextNullable(StreamTaskNetworkInput.java:91)
at
org.apache.flink.streaming.runtime.io.StreamTaskNetworkInput.pollNextNullable(StreamTaskNetworkInput.java:47)
at
org.apache.flink.streaming.runtime.io.StreamOneInputProcessor.processInput(StreamOneInputProcessor.java:135)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.processInput(StreamTask.java:279)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.run(StreamTask.java:301)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:406)
at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:705)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:530)
at java.base/java.lang.Thread.run(Unknown Source)
Once the above exception occur, we do see following runtime exception
java.lang.RuntimeException: Buffer pool is destroyed.
at
org.apache.flink.streaming.runtime.io.RecordWriterOutput.pushToRecordWriter(RecordWriterOutput.java:110)
at
org.apache.flink.streaming.runtime.io.RecordWriterOutput.collect(RecordWriterOutput.java:89)
at
org.apache.flink.streaming.runtime.io.RecordWriterOutput.collect(RecordWriterOutput.java:45)
at
org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:727)
at
org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:705)
at
org.apache.flink.streaming.api.operators.TimestampedCollector.collect(TimestampedCollector.java:51)
at
com.dell.emc.mars.topology.bl.DiffGenerator.handleCreate(DiffGenerator.java:519)
at
com.dell.emc.mars.topology.bl.DiffGenerator.populateHTable(DiffGenerator.java:294)
at
com.dell.emc.mars.topology.bl.DiffGenerator.compare(DiffGenerator.java:58)
at
com.dell.emc.mars.topology.bl.CompareWithDatabase.flatMap(CompareWithDatabase.java:146)
at
com.dell.emc.mars.topology.bl.CompareWithDatabase.flatMap(CompareWithDatabase.java:22)
at
org.apache.flink.streaming.api.operators.StreamFlatMap.processElement(StreamFlatMap.java:50)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:637)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:612)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:592)
at
org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:727)
at
org.apache.flink.streaming.api.operators.AbstractStreamOperator$CountingOutput.collect(AbstractStreamOperator.java:705)
at
org.apache.flink.streaming.api.operators.TimestampedCollector.collect(TimestampedCollector.java:51)
at
com.dell.emc.mars.topology.bl.CompareWithModel.flatMap(CompareWithModel.java:110)
at
com.dell.emc.mars.topology.bl.CompareWithModel.flatMap(CompareWithModel.java:24)
at
org.apache.flink.streaming.api.operators.StreamFlatMap.processElement(StreamFlatMap.java:50)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.pushToOperator(OperatorChain.java:637)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:612)
at
org.apache.flink.streaming.runtime.tasks.OperatorChain$CopyingChainingOutput.collect(OperatorChain.java:592)
at
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