[ https://issues.apache.org/jira/browse/FLINK-10419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dawid Wysakowicz reassigned FLINK-10419: ---------------------------------------- Assignee: Dawid Wysakowicz > ClassNotFoundException while deserializing user exceptions from checkpointing > ----------------------------------------------------------------------------- > > Key: FLINK-10419 > URL: https://issues.apache.org/jira/browse/FLINK-10419 > Project: Flink > Issue Type: Bug > Components: Distributed Coordination, State Backends, Checkpointing > Affects Versions: 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.6.0, 1.6.1, 1.7.0 > Reporter: Nico Kruber > Assignee: Dawid Wysakowicz > Priority: Major > Labels: pull-request-available > Fix For: 1.7.0 > > > It seems that somewhere in the operator's failure handling, we hand a > user-code exception to the checkpoint coordinator via Java serialization but > it will then fail during the de-serialization because the class is not > available. This will result in the following error shadowing the real one: > {code} > java.lang.ClassNotFoundException: > org.apache.flink.streaming.connectors.kafka.FlinkKafka011Exception > at java.net.URLClassLoader.findClass(URLClassLoader.java:381) > at java.lang.ClassLoader.loadClass(ClassLoader.java:424) > at sun.misc.Launcher.loadClass(Launcher.java:338) > at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:348) > at > org.apache.flink.util.InstantiationUtil.resolveClass(InstantiationUtil.java:76) > at > java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1859) > at > java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1745) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2033) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1567) > at > java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2278) > at > java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java:557) > at java.lang.Throwable.readObject(Throwable.java:914) > at sun.reflect.GeneratedMethodAccessor158.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1158) > at > java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2169) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2060) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1567) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:427) > at > org.apache.flink.runtime.rpc.messages.RemoteRpcInvocation.readObject(RemoteRpcInvocation.java:222) > at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1158) > at > java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2169) > at > java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2060) > at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1567) > at java.io.ObjectInputStream.readObject(ObjectInputStream.java:427) > at > org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:502) > at > org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:489) > at > org.apache.flink.util.InstantiationUtil.deserializeObject(InstantiationUtil.java:477) > at > org.apache.flink.util.SerializedValue.deserializeValue(SerializedValue.java:58) > at > org.apache.flink.runtime.rpc.messages.RemoteRpcInvocation.deserializeMethodInvocation(RemoteRpcInvocation.java:118) > at > org.apache.flink.runtime.rpc.messages.RemoteRpcInvocation.getMethodName(RemoteRpcInvocation.java:59) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcInvocation(AkkaRpcActor.java:214) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.handleRpcMessage(AkkaRpcActor.java:162) > at > org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.handleRpcMessage(FencedAkkaRpcActor.java:70) > at > org.apache.flink.runtime.rpc.akka.AkkaRpcActor.onReceive(AkkaRpcActor.java:142) > at > org.apache.flink.runtime.rpc.akka.FencedAkkaRpcActor.onReceive(FencedAkkaRpcActor.java:40) > at > akka.actor.UntypedActor3728anonfun.applyOrElse(UntypedActor.scala:165) > at akka.actor.Actor.aroundReceive(Actor.scala:502) > at akka.actor.UntypedActor.aroundReceive(UntypedActor.scala:95) > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526) > at akka.actor.ActorCell.invoke(ActorCell.scala:495) > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257) > at akka.dispatch.Mailbox.run(Mailbox.scala:224) > at akka.dispatch.Mailbox.exec(Mailbox.scala:234) > at > scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > scala.concurrent.forkjoin.ForkJoinPool.runTask(ForkJoinPool.java:1339) > at > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > at > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) > {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)