[ZEPPELIN-3469] Confusing error when running on Java 9

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.7.3, 0.8.0
• Component/s: Interpreters
• Assignee: Unassigned
• Reporter: Felix Cheung
• Created: 17/May/18 06:12
• Updated: 17/May/18 06:13

Description

confusing error when running on Java 9 

1. start zeppelin on java 9
2. open the sample notebook
3. shift-enter to run (should run the spark interpreter)

From the error message it is unclear what to do to fix the problem. 

 

java.lang.NullPointerException at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:44) at org.apache.zeppelin.spark.Utils.invokeMethod(Utils.java:39) at org.apache.zeppelin.spark.OldSparkInterpreter.createSparkContext_2(OldSparkInterpreter.java:375) at org.apache.zeppelin.spark.OldSparkInterpreter.createSparkContext(OldSparkInterpreter.java:364) at org.apache.zeppelin.spark.OldSparkInterpreter.getSparkContext(OldSparkInterpreter.java:172) at org.apache.zeppelin.spark.OldSparkInterpreter.open(OldSparkInterpreter.java:740) at org.apache.zeppelin.spark.SparkInterpreter.open(SparkInterpreter.java:61) at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:69) at org.apache.zeppelin.interpreter.remote.RemoteInterpreterServer$InterpretJob.jobRun(RemoteInterpreterServer.java:617) at org.apache.zeppelin.scheduler.Job.run(Job.java:188) at org.apache.zeppelin.scheduler.FIFOScheduler$1.run(FIFOScheduler.java:140) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514) at
java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:299) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) at java.base/java.lang.Thread.run(Thread.java:844)