I compile spark-1.3.0 on Hadoop 2.3.0-cdh5.1.0 with protoc 2.5.0. But when I try to run the examples, it throws: Exception in thread "main" java.lang.VerifyError: class org.apache.hadoop.yarn.proto.YarnProtos$PriorityProto overrides final method getUnknownFields.()Lcom/google/protobuf/UnknownFieldSet; at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) at java.net.URLClassLoader.access$100(URLClassLoader.java:71) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) 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.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2532) at java.lang.Class.getConstructor0(Class.java:2842) at java.lang.Class.getConstructor(Class.java:1718) at org.apache.hadoop.yarn.factories.impl.pb.RecordFactoryPBImpl.newRecordInstance(RecordFactoryPBImpl.java:62) at org.apache.hadoop.yarn.util.Records.newRecord(Records.java:36) at org.apache.hadoop.yarn.api.records.Priority.newInstance(Priority.java:39) at org.apache.hadoop.yarn.api.records.Priority.(Priority.java:34) at org.apache.spark.deploy.yarn.YarnSparkHadoopUtil$.(YarnSparkHadoopUtil.scala:101) at org.apache.spark.deploy.yarn.YarnSparkHadoopUtil$.(YarnSparkHadoopUtil.scala) at org.apache.spark.deploy.yarn.ClientArguments.(ClientArguments.scala:38) at org.apache.spark.deploy.yarn.Client$.main(Client.scala:646) at org.apache.spark.deploy.yarn.Client.main(Client.scala) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:569) at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:166) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:189) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:110) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)Hey, guys. It may be caused by the proto version unmatched. Can anyone tell me what should I do to avoid this problem? I did not find any information about this. Thanks.
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