Hi Ted, Unfortunately these two options cause following failure in my environment:
(java.lang.RuntimeException: class org.apache.hadoop.security.JniBasedUnixGroupsMappingWithFallback not org.apache.hadoop.security.GroupMappingServiceProvider,java.lang.RuntimeException: java.lang.RuntimeException: class org.apache.hadoop.security.JniBasedUnixGroupsMappingWithFallback not org.apache.hadoop.security.GroupMappingServiceProvider) 2015-10-19 22:23 GMT+08:00 Ted Yu <yuzhih...@gmail.com>: > Have you tried the following options ? > > --conf spark.driver.userClassPathFirst=true --conf > spark.executor.userClassPathFirst=true > > Cheers > > On Mon, Oct 19, 2015 at 5:07 AM, YiZhi Liu <javeli...@gmail.com> wrote: >> >> I'm trying to read a Thrift object from SequenceFile, using >> elephant-bird's ThriftWritable. My code looks like >> >> val rawData = sc.sequenceFile[BooleanWritable, >> ThriftWritable[TrainingSample]](input) >> val samples = rawData.map { case (key, value) => { >> value.setConverter(classOf[TrainingSample]) >> val conversion = if (key.get) 1 else 0 >> val sample = value.get >> (conversion, sample) >> }} >> >> When I spark-submit in local mode, it failed with >> >> (Job aborted due to stage failure: Task 0 in stage 1.0 failed 1 times, >> most recent failure: Lost task 0.0 in stage 1.0 (TID 2, localhost): >> java.lang.AbstractMethodError: >> >> org.apache.thrift.TUnion.standardSchemeReadValue(Lorg/apache/thrift/protocol/TProtocol;Lorg/apache/thrift/protocol/TField;)Ljava/lang/Object; >> ... ... >> >> I'm pretty sure it is caused by the conflict of libthrift, I use >> thrift-0.6.1 while spark uses 0.9.2, which requires TUnion object to >> implement the abstract 'standardSchemeReadValue' method. >> >> But when I set spark.files.userClassPathFirst=true, it failed even >> earlier: >> >> (Job aborted due to stage failure: Task 1 in stage 0.0 failed 1 times, >> most recent failure: Lost task 1.0 in stage 0.0 (TID 1, localhost): >> java.lang.ClassCastException: cannot assign instance of scala.None$ to >> field org.apache.spark.scheduler.Task.metrics of type scala.Option in >> instance of org.apache.spark.scheduler.ResultTask >> at >> java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2089) >> at >> java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1261) >> at >> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2006) >> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1924) >> at >> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801) >> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351) >> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:371) >> at >> org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:69) >> at >> org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:95) >> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:194) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) >> at java.lang.Thread.run(Thread.java:745) >> >> It seems I introduced more conflict, but I couldn't figure out which >> one caused this failure. >> >> Interestingly, when I ran mvn test in my project, which test spark job >> in locally mode, all worked fine. >> >> So what is the right way to take user jars precedence over Spark jars? >> >> -- >> Yizhi Liu >> Senior Software Engineer / Data Mining >> www.mvad.com, Shanghai, China >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@spark.apache.org >> For additional commands, e-mail: user-h...@spark.apache.org >> > -- Yizhi Liu Senior Software Engineer / Data Mining www.mvad.com, Shanghai, China --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org