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https://issues.apache.org/jira/browse/FLINK-6321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15976345#comment-15976345
]
Shashank Agarwal commented on FLINK-6321:
-----------------------------------------
I have checked This is printing same Logs which i have reported before also. So
may be Duplicate.
https://issues.apache.org/jira/browse/FLINK-6318
{code}
04/12/2017 10:05:04 Job execution switched to status FAILING.
java.lang.RuntimeException: Could not deserialize NFA.
at org.apache.flink.cep.nfa.NFA$Serializer.deserialize(NFA.java:538)
at org.apache.flink.cep.nfa.NFA$Serializer.deserialize(NFA.java:469)
at
org.apache.flink.contrib.streaming.state.RocksDBValueState.value(RocksDBValueState.java:81)
at
org.apache.flink.cep.operator.AbstractKeyedCEPPatternOperator.getNFA(AbstractKeyedCEPPatternOperator.java:124)
at
org.apache.flink.cep.operator.AbstractCEPBasePatternOperator.processElement(AbstractCEPBasePatternOperator.java:72)
at
org.apache.flink.cep.operator.AbstractKeyedCEPPatternOperator.processElement(AbstractKeyedCEPPatternOperator.java:162)
at
org.apache.flink.streaming.runtime.io.StreamInputProcessor.processInput(StreamInputProcessor.java:185)
at
org.apache.flink.streaming.runtime.tasks.OneInputStreamTask.run(OneInputStreamTask.java:63)
at
org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:272)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:655)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.ClassNotFoundException:
co.ronak.nto.Job$$anon$18$$anon$21$$anon$3
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at java.io.ObjectInputStream.resolveClass(ObjectInputStream.java:626)
at
java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1613)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1518)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1774)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)
at
java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:501)
at
org.apache.flink.api.scala.typeutils.TraversableSerializer.readObject(TraversableSerializer.scala:53)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1900)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1707)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1345)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)
at
java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:501)
at
org.apache.flink.cep.NonDuplicatingTypeSerializer.readObject(NonDuplicatingTypeSerializer.java:190)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1900)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
at
java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2000)
at
java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:501)
at org.apache.flink.cep.nfa.NFA.readObject(NFA.java:394)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at
java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1900)
at
java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
at org.apache.flink.cep.nfa.NFA$Serializer.deserialize(NFA.java:535)
... 10 more
{code}
> RocksDB state backend Checkpointing is not working with KeydCEP.
> ----------------------------------------------------------------
>
> Key: FLINK-6321
> URL: https://issues.apache.org/jira/browse/FLINK-6321
> Project: Flink
> Issue Type: Bug
> Components: CEP, State Backends, Checkpointing
> Affects Versions: 1.2.0
> Environment: yarn-cluster, RocksDB State backend, Checkpointing every
> 1000 ms
> Reporter: Shashank Agarwal
>
> Checkpointing is not working with RocksDBStateBackend when using CEP. It's
> working fine with FsStateBackend and MemoryStateBackend. Application failing
> every-time.
> {code}
> 04/18/2017 21:53:20 Job execution switched to status FAILING.
> AsynchronousException{java.lang.Exception: Could not materialize checkpoint
> 46 for operator KeyedCEPPatternOperator -> Map (1/4).}
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:980)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.Exception: Could not materialize checkpoint 46 for
> operator KeyedCEPPatternOperator -> Map (1/4).
> ... 6 more
> Caused by: java.util.concurrent.CancellationException
> at java.util.concurrent.FutureTask.report(FutureTask.java:121)
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> at
> org.apache.flink.util.FutureUtil.runIfNotDoneAndGet(FutureUtil.java:40)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask$AsyncCheckpointRunnable.run(StreamTask.java:915)
> ... 5 more
> {code}
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