Hi Zsolt, How you load the jar and how you prepend it to the classpath?
Tamas On 19 November 2015 at 11:02, Zsolt Tóth <toth.zsolt....@gmail.com> wrote: > Hi, > > I try to throw an exception of my own exception class (MyException extends > SparkException) on one of the executors. This works fine on Spark 1.3.x, > 1.4.x but throws a deserialization/ClassNotFound exception on Spark 1.5.x. > This happens only when I throw it on an executor, on the driver it > succeeds. I'm using Spark in yarn-cluster mode. > > Is this a known issue? Is there any workaround for it? > > StackTrace: > > 15/11/18 15:00:17 WARN spark.ThrowableSerializationWrapper: Task exception > could not be deserialized > java.lang.ClassNotFoundException: org.example.MyException > at java.net.URLClassLoader$1.run(URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) > 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.spark.serializer.JavaDeserializationStream$$anon$1.resolveClass(JavaSerializer.scala:67) > 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 > org.apache.spark.ThrowableSerializationWrapper.readObject(TaskEndReason.scala:163) > 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.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.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:72) > at > org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:98) > at > org.apache.spark.scheduler.TaskResultGetter$$anon$3$$anonfun$run$2.apply$mcV$sp(TaskResultGetter.scala:108) > at > org.apache.spark.scheduler.TaskResultGetter$$anon$3$$anonfun$run$2.apply(TaskResultGetter.scala:105) > at > org.apache.spark.scheduler.TaskResultGetter$$anon$3$$anonfun$run$2.apply(TaskResultGetter.scala:105) > at org.apache.spark.util.Utils$.logUncaughtExceptions(Utils.scala:1699) > at > org.apache.spark.scheduler.TaskResultGetter$$anon$3.run(TaskResultGetter.scala:105) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) > 15/11/18 15:00:17 ERROR scheduler.TaskResultGetter: Could not deserialize > TaskEndReason: ClassNotFound with classloader > org.apache.spark.util.MutableURLClassLoader@7578da02 > 15/11/18 15:00:17 WARN scheduler.TaskSetManager: Lost task 0.0 in stage 1.0 > (TID 30, hadoop2.local.dmlab.hu): UnknownReason > > Regards, > Zsolt >
