Weipu Zhao created ZEPPELIN-1298:
------------------------------------

             Summary: Invalid ticket error fills up zeppelin log when anoymous 
access is false
                 Key: ZEPPELIN-1298
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-1298
             Project: Zeppelin
          Issue Type: Bug
          Components: zeppelin-server
    Affects Versions: 0.6.0
            Reporter: Weipu Zhao
            Priority: Minor
             Fix For: 0.6.1


When Shiro is enable follow instructions in 
[here|http://zeppelin.apache.org/docs/0.6.0/security/shiroauthentication.html], 
if I just open the home page but don't login, I see the following ERROR message 
keep show up periodically (every 10s) in zeppelin log, which could potentially 
fill up this log file with this same error and make it really hard to trace the 
real error message.

{code}
ERROR [2016-08-03 16:34:09,471] ({qtp636329330-37} 
NotebookServer.java[onMessage]:211) - Can't handle message
java.lang.Exception: Invalid ticket  != 5d56af6b-a49c-4dc1-9723-abf47876c389
        at 
org.apache.zeppelin.socket.NotebookServer.onMessage(NotebookServer.java:117)
        at 
org.apache.zeppelin.socket.NotebookSocket.onWebSocketText(NotebookSocket.java:56)
        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}

After I login, this message stop show up. 



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