[ZEPPELIN-1196] Connecting to already running remote interpreter process with multiple interpreters in a group throws exception

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.6.0
• Fix Version/s: 0.6.1
• Component/s: zeppelin-interpreter
• Assignee: Sachin Janani
• Reporter: Sachin Janani
• Created: 16/Jul/16 18:59
• Updated: 22/Jul/16 09:52
• Resolved: 22/Jul/16 07:01

Description

Connecting to already running remote interpreter process with multiple interpreters in a group throws IllegalThreadException.Following is the stack trace:

java.lang.IllegalThreadStateException
        at java.lang.Thread.start(Thread.java:705)
        at org.apache.zeppelin.interpreter.remote.RemoteInterpreterProcess.reference(RemoteInterpreterProcess.java:174)
        at org.apache.zeppelin.interpreter.remote.RemoteInterpreter.init(RemoteInterpreter.java:155)
        at org.apache.zeppelin.interpreter.remote.RemoteInterpreter.open(RemoteInterpreter.java:207)
        at org.apache.zeppelin.interpreter.LazyOpenInterpreter.open(LazyOpenInterpreter.java:69)
        at org.apache.zeppelin.interpreter.LazyOpenInterpreter.interpret(LazyOpenInterpreter.java:93)
        at org.apache.zeppelin.notebook.Paragraph.jobRun(Paragraph.java:279)
        at org.apache.zeppelin.scheduler.Job.run(Job.java:176)
        at org.apache.zeppelin.scheduler.RemoteScheduler$JobRunner.run(RemoteScheduler.java:328)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
        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)

Issue Links

• links to: GitHub Pull Request #1197