Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Apache's JIRA Issue Tracker by Greg Senia, 1 year ago
Exception: Session not found, Livy server would have restarted, or lost session.
java.lang.Exception: Exception: Session not found, Livy server would have restarted, or lost session.	at org.apache.zeppelin.livy.LivyHelper.executeCommand(LivyHelper.java:305)	at org.apache.zeppelin.livy.LivyHelper.interpret(LivyHelper.java:239)	at org.apache.zeppelin.livy.LivySparkSQLInterpreter.interpret(LivySparkSQLInterpreter.java:81)	at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:94)	at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:390)	at org.apache.zeppelin.scheduler.Job.run(Job.java:176)	at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:139)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)	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)