Prabhjyot Singh created ZEPPELIN-1845: -----------------------------------------
Summary: InterpreterFactory.createOrGetInterpreterList fails when interpreter mode is "perUser": "scoped" Key: ZEPPELIN-1845 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1845 Project: Zeppelin Issue Type: Bug Components: zeppelin-zengine Reporter: Prabhjyot Singh When trying to add a paragraph, whose default interpreter is running in mode `"perUser": "scoped"` fails with following execption {code} 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) {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)