Benoy Antony created ZEPPELIN-2484: -------------------------------------- Summary: NullPointerException in addNewParagraphIfLastParagraphIsExecuted Key: ZEPPELIN-2484 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2484 Project: Zeppelin Issue Type: Bug Reporter: Benoy Antony Assignee: Benoy Antony Priority: Minor
A NullPointerException is thrown for the last paragraph if the text is null. ERROR [2017-05-02 14:24:48,052] ({qtp75457651-79} NotebookServer.java[onMessage]:379) - Can't handle message java.lang.NullPointerException at org.apache.zeppelin.socket.NotebookServer.addNewParagraphIfLastParagraphIsExecuted(NotebookServer.java:1714) at org.apache.zeppelin.socket.NotebookServer.persistAndExecuteSingleParagraph(NotebookServer.java:1742) at org.apache.zeppelin.socket.NotebookServer.runAllParagraphs(NotebookServer.java:1642) at org.apache.zeppelin.socket.NotebookServer.onMessage(NotebookServer.java:290) 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) -- This message was sent by Atlassian JIRA (v6.3.15#6346)