Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,
    Expert tip

    This might be an issue with the file location in the Spark submit command. Try it with

    spark-submit --master spark://master:7077 \
         hello_world_from_pyspark.py {file location}
    
    
  2. ,
    Expert tip

    Check if you've set a name in Application -> Run. If you didn't, the generated XML is gonna have missing information and then this exception will be thrown.

Solutions on the web

via GitHub by frne
, 1 year ago
Unable to find proto buffer class: ch.myproject.protocol.SecurityProtocol$MobileLoginResponse
via nabble.com by Unknown author, 2 years ago
via apache.org by Unknown author, 2 years ago
via Stack Overflow by surenyonjan
, 1 year ago
Unable to find proto buffer class: com.myproject.api.common.messages.IsValidClientMessage$IsValidClient
via Stack Overflow by Coinnigh
, 1 year ago
Unable to find proto buffer class
java.lang.ClassNotFoundException: ch.myproject.protocol.SecurityProtocol$MobileLoginResponse	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:264)	at com.google.protobuf.GeneratedMessageLite$SerializedForm.readResolve(GeneratedMessageLite.java:1183)	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 java.io.ObjectStreamClass.invokeReadResolve(ObjectStreamClass.java:1148)	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1817)	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1353)	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:373)	at akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:242)	at scala.util.DynamicVariable.withValue(DynamicVariable.scala:58)	at akka.serialization.JavaSerializer.fromBinary(Serializer.scala:242)	at akka.serialization.Serialization$$anonfun$deserialize$2.apply(Serialization.scala:124)	at scala.util.Try$.apply(Try.scala:192)	at akka.serialization.Serialization.deserialize(Serialization.scala:114)	at akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:24)	at akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:57)	at akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:57)	at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:75)	at akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:969)	at akka.actor.Actor$class.aroundReceive(Actor.scala:484)	at akka.remote.EndpointActor.aroundReceive(Endpoint.scala:439)	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$WorkQueue.runTask(ForkJoinPool.java:1339)	at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)	at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)