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Posted to dev@zeppelin.apache.org by "Lee moon soo (JIRA)" <ji...@apache.org> on 2017/03/17 21:41:41 UTC
[jira] [Created] (ZEPPELIN-2282) NPE on
NotebookServer.java[onMessage]:356
Lee moon soo created ZEPPELIN-2282:
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Summary: NPE on NotebookServer.java[onMessage]:356
Key: ZEPPELIN-2282
URL: https://issues.apache.org/jira/browse/ZEPPELIN-2282
Project: Zeppelin
Issue Type: Bug
Affects Versions: 0.7.0
Reporter: Lee moon soo
Assignee: Lee moon soo
Fix For: 0.7.1
In some circumstance, client send ticket null in it's message.
ZeppelinServer does not check null value.
{code}
ERROR [2017-03-15 17:52:11,554] ({qtp399931359-56} NotebookServer.java[onMessage]:356) - Can't handle message
java.lang.NullPointerException
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:936)
at org.apache.zeppelin.ticket.TicketContainer.getTicket(TicketContainer.java:68)
at org.apache.zeppelin.socket.NotebookServer.onMessage(NotebookServer.java:175)
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}
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