[TOREE-328] java.lang.IncompatibleClassChangeError: Class org.apache.toree.kernel.protocol.v5.relay.KernelMessageRelay does not implement the requested interface akka.actor.StashSupport

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.1.0
• Environment: RHEL 7.2 ; CDH 5.7 Spark Gateway Role (Spark 1.6.0) ; Jupyter 4.1.0
• Assignee: Unassigned
• Reporter: William Lau
• Created: 29/Jun/16 09:22
• Updated: 06/Oct/16 19:31
• Resolved: 06/Oct/16 19:31

Description

Encountered the following error when starting the Toree kernel in the Jupyter notebook:

16/06/29 09:02:09 INFO toree.Main$$anon$1: Kernel version: 0.1.0.dev9-incubating-SNAPSHOT
16/06/29 09:02:09 INFO toree.Main$$anon$1: Scala version: Some(2.10.4)
16/06/29 09:02:09 INFO toree.Main$$anon$1: ZeroMQ (JeroMQ) version: 3.2.2
16/06/29 09:02:09 INFO toree.Main$$anon$1: Initializing internal actor system
16/06/29 09:02:09 INFO slf4j.Slf4jLogger: Slf4jLogger started
16/06/29 09:02:09 ERROR actor.OneForOneStrategy: exception during creation
akka.actor.ActorInitializationException: exception during creation
	at akka.actor.ActorInitializationException$.apply(Actor.scala:218)
	at akka.actor.ActorCell.create(ActorCell.scala:578)
	at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:425)
	at akka.actor.ActorCell.systemInvoke(ActorCell.scala:447)
	at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:262)
	at akka.dispatch.Mailbox.run(Mailbox.scala:218)
	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386)
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at akka.util.Reflect$.instantiate(Reflect.scala:65)
	at akka.actor.Props.newActor(Props.scala:337)
	at akka.actor.ActorCell.newActor(ActorCell.scala:534)
	at akka.actor.ActorCell.create(ActorCell.scala:560)
	... 9 more
Caused by: java.lang.IncompatibleClassChangeError: Class org.apache.toree.kernel.protocol.v5.relay.KernelMessageRelay does not implement the requested interface akka.actor.StashSupport
	at akka.actor.StashSupport$class.$init$(Stash.scala:120)
	at org.apache.toree.kernel.protocol.v5.relay.KernelMessageRelay.<init>(KernelMessageRelay.scala:44)
	... 17 more
16/06/29 09:02:09 ERROR actor.OneForOneStrategy: exception during creation
akka.actor.ActorInitializationException: exception during creation
	at akka.actor.ActorInitializationException$.apply(Actor.scala:218)
	at akka.actor.ActorCell.create(ActorCell.scala:578)
	at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:425)
	at akka.actor.ActorCell.systemInvoke(ActorCell.scala:447)
	at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:262)
	at akka.dispatch.Mailbox.run(Mailbox.scala:218)
	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386)
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at akka.util.Reflect$.instantiate(Reflect.scala:65)
	at akka.actor.Props.newActor(Props.scala:337)
	at akka.actor.ActorCell.newActor(ActorCell.scala:534)
	at akka.actor.ActorCell.create(ActorCell.scala:560)
	... 9 more
Caused by: java.lang.IncompatibleClassChangeError: Class org.apache.toree.communication.security.SignatureManagerActor does not implement the requested interface akka.actor.StashSupport
	at akka.actor.StashSupport$class.$init$(Stash.scala:120)
	at org.apache.toree.communication.security.SignatureManagerActor.<init>(SignatureManagerActor.scala:30)
	... 17 more
16/06/29 09:02:09 ERROR actor.OneForOneStrategy: exception during creation
akka.actor.ActorInitializationException: exception during creation
	at akka.actor.ActorInitializationException$.apply(Actor.scala:218)
	at akka.actor.ActorCell.create(ActorCell.scala:578)
	at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:425)
	at akka.actor.ActorCell.systemInvoke(ActorCell.scala:447)
	at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:262)
	at akka.dispatch.Mailbox.run(Mailbox.scala:218)
	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386)
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at akka.util.Reflect$.instantiate(Reflect.scala:65)
	at akka.actor.Props.newActor(Props.scala:337)
	at akka.actor.ActorCell.newActor(ActorCell.scala:534)
	at akka.actor.ActorCell.create(ActorCell.scala:560)
	... 9 more
Caused by: java.lang.IncompatibleClassChangeError: Class org.apache.toree.kernel.protocol.v5.handler.GenericSocketMessageHandler does not implement the requested interface akka.actor.StashSupport
	at akka.actor.StashSupport$class.$init$(Stash.scala:120)
	at org.apache.toree.kernel.protocol.v5.handler.GenericSocketMessageHandler.<init>(GenericSocketMessageHandler.scala:43)
	... 17 more
16/06/29 09:02:09 ERROR actor.OneForOneStrategy: exception during creation
akka.actor.ActorInitializationException: exception during creation
	at akka.actor.ActorInitializationException$.apply(Actor.scala:218)
	at akka.actor.ActorCell.create(ActorCell.scala:578)
	at akka.actor.ActorCell.invokeAll$1(ActorCell.scala:425)
	at akka.actor.ActorCell.systemInvoke(ActorCell.scala:447)
	at akka.dispatch.Mailbox.processAllSystemMessages(Mailbox.scala:262)
	at akka.dispatch.Mailbox.run(Mailbox.scala:218)
	at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386)
	at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
	at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at akka.util.Reflect$.instantiate(Reflect.scala:65)
	at akka.actor.Props.newActor(Props.scala:337)
	at akka.actor.ActorCell.newActor(ActorCell.scala:534)
	at akka.actor.ActorCell.create(ActorCell.scala:560)
	... 9 more
Caused by: java.lang.IncompatibleClassChangeError: Class org.apache.toree.kernel.protocol.v5.handler.ShutdownHandler does not implement the requested interface akka.actor.StashSupport
	at akka.actor.StashSupport$class.$init$(Stash.scala:120)
	at org.apache.toree.kernel.protocol.v5.handler.BaseHandler.<init>(BaseHandler.scala:27)
	at org.apache.toree.kernel.protocol.v5.handler.ShutdownHandler.<init>(ShutdownHandler.scala:36)
	... 17 more

I am using a self build package from the latest master (to get around TOREE-324).

Before this I was trying a self-compiled build from the spark-kernel project and I encountered the same exception when starting the kernel in the notebook.

Issue Links

• duplicates: TOREE-327 java.lang.IncompatibleClassChangeError: Class org.apache.toree.kernel.protocol.v5.relay.KernelMessageRelay does not implement the requested interface akka.actor.StashSupport