[ https://issues.apache.org/jira/browse/FLINK-5484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ufuk Celebi closed FLINK-5484. ------------------------------ Resolution: Fixed Fix Version/s: 1.3.0 1.2.0 Fixed in 931929b (release-1.1), 55483b7, a7644b1 (release-1.2), 8fddae8, 586f818 (master). > Kryo serialization changed between 1.1 and 1.2 > ---------------------------------------------- > > Key: FLINK-5484 > URL: https://issues.apache.org/jira/browse/FLINK-5484 > Project: Flink > Issue Type: Bug > Components: Type Serialization System > Reporter: Ufuk Celebi > Fix For: 1.2.0, 1.3.0 > > > I think the way that Kryo serializes data changed between 1.1 and 1.2. > I have a generic Object that is serialized as part of a 1.1 savepoint that I > cannot resume from with 1.2: > {code} > org.apache.flink.client.program.ProgramInvocationException: The program > execution failed: Job execution failed. > at > org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:427) > at > org.apache.flink.client.program.StandaloneClusterClient.submitJob(StandaloneClusterClient.java:101) > at > org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:400) > at > org.apache.flink.streaming.api.environment.StreamContextEnvironment.execute(StreamContextEnvironment.java:68) > at > org.apache.flink.streaming.api.environment.StreamExecutionEnvironment.execute(StreamExecutionEnvironment.java:1486) > at com.dataartisans.DidKryoChange.main(DidKryoChange.java:74) > 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:498) > at > org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:528) > at > org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:419) > at > org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:339) > at > org.apache.flink.client.CliFrontend.executeProgram(CliFrontend.java:831) > at org.apache.flink.client.CliFrontend.run(CliFrontend.java:256) > at > org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1073) > at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1120) > at org.apache.flink.client.CliFrontend$2.call(CliFrontend.java:1117) > at > org.apache.flink.runtime.security.HadoopSecurityContext$1.run(HadoopSecurityContext.java:43) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) > at > org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:40) > at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1117) > Caused by: org.apache.flink.runtime.client.JobExecutionException: Job > execution failed. > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply$mcV$sp(JobManager.scala:900) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply(JobManager.scala:843) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$handleMessage$1$$anonfun$applyOrElse$7.apply(JobManager.scala:843) > at > scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24) > at > scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24) > at akka.dispatch.TaskInvocation.run(AbstractDispatcher.scala:40) > at > akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:397) > at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > at > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > at > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > Caused by: java.lang.IllegalStateException: Could not initialize keyed state > backend. > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator.initKeyedState(AbstractStreamOperator.java:286) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:199) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.initializeOperators(StreamTask.java:649) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:636) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:254) > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:654) > at java.lang.Thread.run(Thread.java:745) > Caused by: java.lang.RuntimeException: > com.esotericsoftware.kryo.KryoException: Unable to find class: f > at > com.twitter.chill.java.UnmodifiableJavaCollectionSerializer.read(UnmodifiableJavaCollectionSerializer.java:62) > at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:761) > at > org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer.deserialize(KryoSerializer.java:232) > at > org.apache.flink.migration.runtime.state.memory.AbstractMemStateSnapshot.deserialize(AbstractMemStateSnapshot.java:88) > at > org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.restoreHeapState(HeapKeyedStateBackend.java:448) > at > org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.restoreOldSavepointKeyedState(HeapKeyedStateBackend.java:406) > at > org.apache.flink.runtime.state.heap.HeapKeyedStateBackend.restore(HeapKeyedStateBackend.java:240) > at > org.apache.flink.streaming.runtime.tasks.StreamTask.createKeyedStateBackend(StreamTask.java:784) > at > org.apache.flink.streaming.api.operators.AbstractStreamOperator.initKeyedState(AbstractStreamOperator.java:277) > ... 6 more > Caused by: com.esotericsoftware.kryo.KryoException: Unable to find class: f > at > com.esotericsoftware.kryo.util.DefaultClassResolver.readName(DefaultClassResolver.java:138) > at > com.esotericsoftware.kryo.util.DefaultClassResolver.readClass(DefaultClassResolver.java:115) > at com.esotericsoftware.kryo.Kryo.readClass(Kryo.java:641) > at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:752) > at > com.twitter.chill.java.UnmodifiableJavaCollectionSerializer.read(UnmodifiableJavaCollectionSerializer.java:59) > ... 14 more > Caused by: java.lang.ClassNotFoundException: f > at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:348) > at > com.esotericsoftware.kryo.util.DefaultClassResolver.readName(DefaultClassResolver.java:136) > ... 18 more > {code} > Running the same program with 1.2 and triggering and resuming a savepoint > works. -- This message was sent by Atlassian JIRA (v6.3.4#6332)