Could you check the yarn app logs ? It seems livy session fails to start. zeppelin would not to recreate a new session when fails to create session (session is dead), because usually it is due to user configuration or cluster issue, recreating session may lead infinity loop.
Anandha L Ranganathan <[email protected]>于2017年12月12日周二 上午7:42写道： > We get this error from Zeppelin UI and logs. > > > org.apache.zeppelin.livy.LivyException: > org.springframework.web.client.HttpServerErrorException: 500 Internal > Server Error > at > org.apache.zeppelin.livy.BaseLivyInterpreter.callRestAPI(BaseLivyInterpreter.java:552) > at > org.apache.zeppelin.livy.BaseLivyInterpreter.executeStatement(BaseLivyInterpreter.java:415) > at > org.apache.zeppelin.livy.BaseLivyInterpreter.interpret(BaseLivyInterpreter.java:249) > at > org.apache.zeppelin.livy.BaseLivyInterpreter.interpret(BaseLivyInterpreter.java:168) > at > org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:101) > at > org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:602) > at org.apache.zeppelin.scheduler.Job.run(Job.java:182) > > > > > But on the Livy server, we see this error session is in dead state. Isn't > that Livy should create a new session if it found a dead session ? > Restarting of of Zeppelin interpreter resolves this problem but it is very > annoying to restart the Zeppelin interpreter. > > > 17/12/11 23:29:30 ERROR SessionServlet$: internal error > java.lang.IllegalStateException: Session is in state dead > at > com.cloudera.livy.server.interactive.InteractiveSession.ensureRunning(InteractiveSession.scala:531) > at > com.cloudera.livy.server.interactive.InteractiveSession.executeStatement(InteractiveSession.scala:459) > at > com.cloudera.livy.server.interactive.InteractiveSessionServlet$$anonfun$11$$anonfun$apply$6.apply(InteractiveSessionServlet.scala:124) > at > com.cloudera.livy.server.interactive.InteractiveSessionServlet$$anonfun$11$$anonfun$apply$6.apply(InteractiveSessionServlet.scala:123) > at > com.cloudera.livy.server.SessionServlet.doWithSession(SessionServlet.scala:194) > at > com.cloudera.livy.server.SessionServlet.withSession(SessionServlet.scala:187) > at > com.cloudera.livy.server.interactive.InteractiveSessionServlet$$anonfun$11.apply(InteractiveSessionServlet.scala:123) > at > com.cloudera.livy.server.interactive.InteractiveSessionServlet$$anonfun$11.apply(InteractiveSessionServlet.scala:122) > at com.cloudera.livy.server.JsonServlet.com > $cloudera$livy$server$JsonServlet$$doAction(JsonServlet.scala:114) > at > com.cloudera.livy.server.JsonServlet$$anonfun$jpost$1.apply(JsonServlet.scala:76) > at org.scalatra.ScalatraBase$class.org > $scalatra$ScalatraBase$$liftAction(ScalatraBase.scala:270) > at > org.scalatra.ScalatraBase$$anonfun$invoke$1.apply(ScalatraBase.scala:265) > at > org.scalatra.ScalatraBase$$anonfun$invoke$1.apply(ScalatraBase.scala:265) > at > org.scalatra.ApiFormats$class.withRouteMultiParams(ApiFormats.scala:178) > at > com.cloudera.livy.server.JsonServlet.withRouteMultiParams(JsonServlet.scala:40) > at org.scalatra.ScalatraBase$class.invoke(ScalatraBase.scala:264) > at org.scalatra.ScalatraServlet.invoke(ScalatraServlet.scala:49) > at > org.scalatra.ScalatraBase$$anonfun$runRoutes$1$$anonfun$apply$8.apply(ScalatraBase.scala:240) > at > org.scalatra.ScalatraBase$$anonfun$runRoutes$1$$anonfun$apply$8.apply(ScalatraBase.scala:238) > at scala.Option.flatMap(Option.scala:170) > at > org.scalatra.ScalatraBase$$anonfun$runRoutes$1.apply(ScalatraBase.scala:238) > at > org.scalatra.ScalatraBase$$anonfun$runRoutes$1.apply(ScalatraBase.scala:237) > at scala.collection.immutable.Stream.flatMap(Stream.scala:446) > at org.scalatra.ScalatraBase$class.runRoutes(ScalatraBase.scala:237) > at org.scalatra.ScalatraServlet.runRoutes(ScalatraServlet.scala:49) > at org.scalatra.ScalatraBase$class.runActions$1(ScalatraBase.scala:163) > at > org.scalatra.ScalatraBase$$anonfun$executeRoutes$1.apply$mcV$sp(ScalatraBase.scala:175) > at > org.scalatra.ScalatraBase$$anonfun$executeRoutes$1.apply(ScalatraBase.scala:175) > at > org.scalatra.ScalatraBase$$anonfun$executeRoutes$1.apply(ScalatraBase.scala:175) > at org.scalatra.ScalatraBase$class.org > $scalatra$ScalatraBase$$cradleHalt(ScalatraBase.scala:193) > at > org.scalatra.ScalatraBase$class.executeRoutes(ScalatraBase.scala:175) > at org.scalatra.ScalatraServlet.executeRoutes(ScalatraServlet.scala:49) > at > org.scalatra.ScalatraBase$$anonfun$handle$1.apply$mcV$sp(ScalatraBase.scala:113) > at > org.scalatra.ScalatraBase$$anonfun$handle$1.apply(ScalatraBase.scala:113) > at > org.scalatra.ScalatraBase$$anonfun$handle$1.apply(ScalatraBase.scala:113) > at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57) > at org.scalatra.DynamicScope$class.withResponse(DynamicScope.scala:80) > at org.scalatra.ScalatraServlet.withResponse(ScalatraServlet.scala:49) > at > org.scalatra.DynamicScope$$anonfun$withRequestResponse$1.apply(DynamicScope.scala:60) > at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57) > at org.scalatra.DynamicScope$class.withRequest(DynamicScope.scala:71) > at org.scalatra.ScalatraServlet.withRequest(ScalatraServlet.scala:49) > at > org.scalatra.DynamicScope$class.withRequestResponse(DynamicScope.scala:59) > at > org.scalatra.ScalatraServlet.withRequestResponse(ScalatraServlet.scala:49) > at org.scalatra.ScalatraBase$class.handle(ScalatraBase.scala:111) > at org.scalatra.ScalatraServlet.org > $scalatra$servlet$ServletBase$$super$handle(ScalatraServlet.scala:49) > at org.scalatra.servlet.ServletBase$class.handle(ServletBase.scala:43) > at com.cloudera.livy.server.SessionServlet.org > $scalatra$MethodOverride$$super$handle(SessionServlet.scala:40) > at org.scalatra.MethodOverride$class.handle(MethodOverride.scala:28) > at com.cloudera.livy.server.interactive.InteractiveSessionServlet.org > $scalatra$servlet$FileUploadSupport$$super$handle(InteractiveSessionServlet.scala:42) > at > org.scalatra.servlet.FileUploadSupport$class.handle(FileUploadSupport.scala:93) > at > com.cloudera.livy.server.interactive.InteractiveSessionServlet.handle(InteractiveSessionServlet.scala:42) > at org.scalatra.ScalatraServlet.service(ScalatraServlet.scala:54) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) > at > org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812) > at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:587) > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127) > at > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515) > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141) > at > org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97) > at org.eclipse.jetty.server.Server.handle(Server.java:499) > at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311) > at > org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257) > at > org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555) > at java.lang.Thread.run(Thread.java:745) >
