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Lost task 0.0 in stage 5.0 (TID 10, rz-data-hdp-dn2113.rz.***.com): java.lang.NoClassDefFoundError: Could not initialize class ml.dmlc.xgboost4j.java.Rabit
scheduler.TaskSetManager: Lost task 0.0 in stage 5.0 (TID 10, rz-data-hdp-dn2113.rz.***.com): java.lang.NoClassDefFoundError: Could not initialize class ml.dmlc.xgboost4j.java.Rabit	at ml.dmlc.xgboost4j.scala.spark.XGBoost$$anonfun$buildDistributedBoosters$1.apply(XGBoost.scala:63)	at ml.dmlc.xgboost4j.scala.spark.XGBoost$$anonfun$buildDistributedBoosters$1.apply(XGBoost.scala:61)	at org.apache.spark.rdd.RDD$$anonfun$mapPartitions$1$$anonfun$apply$17.apply(RDD.scala:706)	at org.apache.spark.rdd.RDD$$anonfun$mapPartitions$1$$anonfun$apply$17.apply(RDD.scala:706)	at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:297)	at org.apache.spark.CacheManager.getOrCompute(CacheManager.scala:69)	at org.apache.spark.rdd.RDD.iterator(RDD.scala:262)	at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66)	at org.apache.spark.scheduler.Task.run(Task.scala:88)	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214)	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)