Github user vanzin commented on the pull request:
https://github.com/apache/spark/pull/5786#issuecomment-101437368
Just OOC, I build with no enabled profiles and tried to run spark-shell on
a real cluster (standalone since YARN profile wasn't enabled). It fails pretty
early with:
15/05/12 15:08:18 INFO AppClient$ClientActor: Executor updated:
app-20150512150817-0001/8 is now RUNNING
java.lang.VerifyError: class
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$SetOwnerRequestProto
overrides final method getUnknownFields.()Lcom/google/protobuf/UnknownFieldSet;
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
Which is the issue Favio raised (mismatched protobuf versions).
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