Hi devs, I play with your amazing Spark here in Prague for some time. I have stumbled on a thing which I like to ask about. I create assembly jars from source and then use it to run simple jobs on our 2.3.0-cdh5.1.3 cluster using yarn. Example of my usage [1]. Formerly I had started to use sbt for creating assemblies like this [2] which runs just fine. Then reading those maven-prefered stories here on dev list I found make-distribution.sh script in root of codebase and wanted to give it a try. I used it to create assembly by both [3] and [4].
But I am not able to use assemblies created by make-distribution because it refuses to be submited to cluster. Here is what happens: - run [3] or [4] - recompile app agains new assembly - submit job using new assembly by [1] like command - submit fails with important parts of stack trace being [5] My guess is that it is due to improper version of protobuf included in assembly jar. My questions are: - Can you confirm this hypothesis? - What is the difference between sbt and mvn way of creating assembly? I mean sbt works and mvn not... - What additional option I need to pass to make-distribution to make it work? Any help/explanation here would be appreciated Jakub ---------------------- [1] ./bin/spark-submit --num-executors 200 --master yarn-cluster --conf spark.yarn.jar=assembly/target/scala-2.10/spark-assembly-1.2.1-SNAPSHOT- hadoop2.3.0-cdh5.1.3.jar --class org.apache.spark.mllib. CreateGuidDomainDictionary root-0.1.jar ${args} [2] ./sbt/sbt -Dhadoop.version=2.3.0-cdh5.1.3 -Pyarn -Phive assembly/ assembly [3] ./make-distribution.sh -Dhadoop.version=2.3.0-cdh5.1.3 -Pyarn -Phive - DskipTests [4] ./make-distribution.sh -Dyarn.version=2.3.0 -Dhadoop.version=2.3.0-cdh 5.1.3 -Pyarn -Phive -DskipTests [5]Exception in thread "main" org.apache.hadoop.yarn.exceptions. YarnRuntimeException: java.lang.reflect.InvocationTargetException at org.apache.hadoop.yarn.factories.impl.pb.RpcClientFactoryPBImpl. getClient(RpcClientFactoryPBImpl.java:79) at org.apache.hadoop.yarn.ipc.HadoopYarnProtoRPC.getProxy (HadoopYarnProtoRPC.java:48) at org.apache.hadoop.yarn.client.RMProxy$1.run(RMProxy.java:134) ... Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance (NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance (DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at org.apache.hadoop.yarn.factories.impl.pb.RpcClientFactoryPBImpl. getClient(RpcClientFactoryPBImpl.java:76) ... 27 more Caused by: java.lang.VerifyError: class org.apache.hadoop.yarn.proto. YarnServiceProtos$SubmitApplicationRequestProto overrides final method getUnknownFields.()Lcom/google/protobuf/UnknownFieldSet; at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)