java.lang.VerifyError

(class: org/jboss/netty/channel/socket/nio/NioWorkerPool, method: createWorker signature: (Ljava/util/concurrent/Executor;)Lorg/jboss/netty/channel/socket/nio/AbstractNioWorker;) Wrong return type in function

Samebug tips1

This seems to be a buggy behavior, to solve it, first try permuting the order of your spark and hadoop dependencies. If that doesn't work, try updating akka and checking if the versions of the libraries you're using are compatible.

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  • via Unknown by Yong Zhang,
  • via GitHub by pdendek
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  • Stack trace

    • java.lang.VerifyError: (class: org/jboss
    • etty/channel/socket
    • io/NioWorkerPool, method: createWorker signature: (Ljava/util/concurrent/Executor;)Lorg/jboss
    • etty/channel/socket
    • io/AbstractNioWorker;) Wrong return type in function at akka.remote.transport.netty.NettyTransport.<init>(NettyTransport.scala:283) at akka.remote.transport.netty.NettyTransport.<init>(NettyTransport.scala:240) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

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