ERROR SessionServlet$: internal error

[Jary Zhen]

 When I submit a jar file through the Hue Web (Spark Notbook), and excute the jar, have some erros:

 

ERROR SessionServlet$: internal error

java.lang.NullPointerException

at com.cloudera.livy.sessions.Session.resolveURIs(Session.scala:150)

at com.cloudera.livy.sessions.Session$$anonfun$5.apply(Session.scala:217)

at com.cloudera.livy.sessions.Session$$anonfun$5.apply(Session.scala:211)

at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:251)

at scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:251)

at scala.collection.immutable.HashMap$HashMap1.foreach(HashMap.scala:224)

at scala.collection.immutable.HashMap$HashTrieMap.foreach(HashMap.scala:403)

at scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:251)

at scala.collection.AbstractTraversable.flatMap(Traversable.scala:105)

at com.cloudera.livy.sessions.Session.prepareConf(Session.scala:211)

at com.cloudera.livy.server.batch.BatchSession.<init>(BatchSession.scala:38)

at com.cloudera.livy.server.batch.BatchSessionServlet.createSession(BatchSessionServlet.scala:35)

at com.cloudera.livy.server.batch.BatchSessionServlet.createSession(BatchSessionServlet.scala:28)

at com.cloudera.livy.server.SessionServlet$$anonfun$17$$anon$2$$anonfun$18.apply(SessionServlet.scala:122)

at com.cloudera.livy.server.SessionServlet$$anonfun$17$$anon$2$$anonfun$18.apply(SessionServlet.scala:121)

at scala.concurrent.impl.Future$PromiseCompletingRunnable.liftedTree1$1(Future.scala:24)

at scala.concurrent.impl.Future$PromiseCompletingRunnable.run(Future.scala:24)

at scala.concurrent.impl.ExecutionContextImpl$$anon$3.exec(ExecutionContextImpl.scala:107)

at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)

at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)

at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)

at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)