GitHub user prabhjyotsingh opened a pull request:
https://github.com/apache/zeppelin/pull/1790
InterpreterFactory.createOrGetInterpreterList fails when interpreter mode
is "perUser": "scoped"
### What is this PR for?
When trying to add a paragraph, whose default interpreter is running in
mode `"perUser": "scoped"` fails with following exception
```
ERROR [2016-12-22 11:52:18,784] ({qtp112466394-59}
NotebookServer.java[onMessage]:318) - Can't handle message
java.lang.NullPointerException
at
java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
at
java.util.concurrent.ConcurrentHashMap.containsKey(ConcurrentHashMap.java:964)
at
org.apache.zeppelin.interpreter.InterpreterFactory.createOrGetInterpreterList(InterpreterFactory.java:1219)
at
org.apache.zeppelin.interpreter.InterpreterFactory.getInterpreter(InterpreterFactory.java:1333)
at
org.apache.zeppelin.notebook.Paragraph.isValidInterpreter(Paragraph.java:598)
at org.apache.zeppelin.notebook.Paragraph.getMagic(Paragraph.java:587)
at org.apache.zeppelin.notebook.Note.setParagraphMagic(Note.java:506)
at org.apache.zeppelin.notebook.Note.insertParagraph(Note.java:316)
at
org.apache.zeppelin.socket.NotebookServer.insertParagraph(NotebookServer.java:1330)
at
org.apache.zeppelin.socket.NotebookServer.onMessage(NotebookServer.java:241)
at
org.apache.zeppelin.socket.NotebookSocket.onWebSocketText(NotebookSocket.java:59)
at
org.eclipse.jetty.websocket.common.events.JettyListenerEventDriver.onTextMessage(JettyListenerEventDriver.java:128)
at
org.eclipse.jetty.websocket.common.message.SimpleTextMessage.messageComplete(SimpleTextMessage.java:69)
at
org.eclipse.jetty.websocket.common.events.AbstractEventDriver.appendMessage(AbstractEventDriver.java:65)
at
org.eclipse.jetty.websocket.common.events.JettyListenerEventDriver.onTextFrame(JettyListenerEventDriver.java:122)
at
org.eclipse.jetty.websocket.common.events.AbstractEventDriver.incomingFrame(AbstractEventDriver.java:161)
at
org.eclipse.jetty.websocket.common.WebSocketSession.incomingFrame(WebSocketSession.java:309)
at
org.eclipse.jetty.websocket.common.extensions.ExtensionStack.incomingFrame(ExtensionStack.java:214)
at
org.eclipse.jetty.websocket.common.Parser.notifyFrame(Parser.java:220)
at org.eclipse.jetty.websocket.common.Parser.parse(Parser.java:258)
at
org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.readParse(AbstractWebSocketConnection.java:632)
at
org.eclipse.jetty.websocket.common.io.AbstractWebSocketConnection.onFillable(AbstractWebSocketConnection.java:480)
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)
```
### What type of PR is it?
[Bug Fix]
### What is the Jira issue?
* [ZEPPELIN-1845](https://issues.apache.org/jira/browse/ZEPPELIN-1845)
### How should this be tested?
Outline the steps to test the PR here.
### Screenshots (if appropriate)
Before:
After:
### Questions:
* Does the licenses files need update? N/A
* Is there breaking changes for older versions? N/A
* Does this needs documentation? N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/prabhjyotsingh/zeppelin ZEPPELIN-1845
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/1790.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1790
----
commit 64593183cb86ed5075975642505a309496698b5b
Author: Prabhjyot Singh <prabhjyotsi...@gmail.com>
Date: 2016-12-22T06:43:00Z
Both insertParagraph, addParagraph should accept and set AuthenticationInfo
into paragraph
----
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