[ https://issues.apache.org/jira/browse/FLINK-5468?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15828295#comment-15828295 ]
ASF GitHub Bot commented on FLINK-5468: --------------------------------------- Github user StephanEwen commented on the issue: https://github.com/apache/flink/pull/3119 Looks good to me, +1 to merge it > Restoring from a semi async rocksdb statebackend (1.1) to 1.2 fails with > ClassNotFoundException > ----------------------------------------------------------------------------------------------- > > Key: FLINK-5468 > URL: https://issues.apache.org/jira/browse/FLINK-5468 > Project: Flink > Issue Type: Bug > Components: State Backends, Checkpointing > Affects Versions: 1.2.0 > Reporter: Robert Metzger > Assignee: Stefan Richter > > I think we should catch this exception and explain what's going on and how > users can resolve the issue. > {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.yarn.YarnClusterClient.submitJob(YarnClusterClient.java:210) > at > org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:400) > at > org.apache.flink.streaming.api.environment.StreamContextEnvironment.execute(StreamContextEnvironment.java:66) > at com.dataartisans.eventwindow.Generator.main(Generator.java:60) > 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: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$1.run(HadoopSecurityContext.java:43) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) > at > org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:40) > at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1116) > Caused by: org.apache.flink.runtime.client.JobExecutionException: Job > execution failed > at > org.apache.flink.runtime.client.JobClient.awaitJobResult(JobClient.java:328) > at > org.apache.flink.runtime.client.JobClient.submitJobAndWait(JobClient.java:382) > at > org.apache.flink.client.program.ClusterClient.run(ClusterClient.java:423) > ... 22 more > Caused by: java.io.IOException: java.lang.ClassNotFoundException: > org.apache.flink.contrib.streaming.state.RocksDBStateBackend$FinalSemiAsyncSnapshot > at > org.apache.flink.migration.runtime.checkpoint.savepoint.SavepointV0Serializer.deserialize(SavepointV0Serializer.java:162) > at > org.apache.flink.migration.runtime.checkpoint.savepoint.SavepointV0Serializer.deserialize(SavepointV0Serializer.java:70) > at > org.apache.flink.runtime.checkpoint.savepoint.SavepointStore.loadSavepoint(SavepointStore.java:138) > at > org.apache.flink.runtime.checkpoint.savepoint.SavepointLoader.loadAndValidateSavepoint(SavepointLoader.java:64) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$org$apache$flink$runtime$jobmanager$JobManager$$submitJob$1.apply$mcV$sp(JobManager.scala:1348) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$org$apache$flink$runtime$jobmanager$JobManager$$submitJob$1.apply(JobManager.scala:1330) > at > org.apache.flink.runtime.jobmanager.JobManager$$anonfun$org$apache$flink$runtime$jobmanager$JobManager$$submitJob$1.apply(JobManager.scala:1330) > at > scala.concurrent.impl.Future$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.ClassNotFoundException: > org.apache.flink.contrib.streaming.state.RocksDBStateBackend$FinalSemiAsyncSnapshot > at java.net.URLClassLoader$1.run(URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:270) > at > org.apache.flink.util.InstantiationUtil$ClassLoaderObjectInputStream.resolveClass(InstantiationUtil.java:66) > at > org.apache.flink.migration.util.MigrationInstantiationUtil$ClassLoaderObjectInputStream.resolveClass(MigrationInstantiationUtil.java:66) > at > java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1612) > at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) > at java.util.HashMap.readObject(HashMap.java:1180) > 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 > java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1893) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350) > at > java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350) > at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1706) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1344) > at > java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1990) > at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1915) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1798) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) > at > org.apache.flink.migration.util.MigrationInstantiationUtil.deserializeObject(MigrationInstantiationUtil.java:79) > at > org.apache.flink.migration.util.MigrationInstantiationUtil.deserializeObject(MigrationInstantiationUtil.java:71) > at > org.apache.flink.migration.util.SerializedValue.deserializeValue(SerializedValue.java:56) > at > org.apache.flink.migration.runtime.checkpoint.savepoint.SavepointV0Serializer.determineOperatorChainLength(SavepointV0Serializer.java:327) > at > org.apache.flink.migration.runtime.checkpoint.savepoint.SavepointV0Serializer.convertTaskState(SavepointV0Serializer.java:187) > at > org.apache.flink.migration.runtime.checkpoint.savepoint.SavepointV0Serializer.convertSavepoint(SavepointV0Serializer.java:174) > at > org.apache.flink.migration.runtime.checkpoint.savepoint.SavepointV0Serializer.deserialize(SavepointV0Serializer.java:160) > ... 14 more > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)