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  1. #1
    Master Untangler
    Join Date
    Nov 2009
    Posts
    106

    Default Session viewer startup error

    Untangle 8.0 installed itself last night, and all apparently went okay -- at least it seems to be working normally, except for one thing: upon clicking on Show Sessions in the drop-down, it emits this error message...

    An error has occurred:
    java.lang.NullPointerException at com.untangle.uvm.engine.SessionMonitorImpl.getMergedSessions(SessionMonitorImpl.java


    OK the dialog box and there are no entries in any of the Session Viewer pages.

    I'm clueless. Anyone have an idea where to go with this?

  2. #2
    Untangle Ninja sky-knight's Avatar
    Join Date
    Apr 2008
    Location
    Phoenix, AZ
    Posts
    25,095

    Default

    What browser are you using? I've seen this crop up a few times but no one has bothered giving details.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  3. #3
    Master Untangler
    Join Date
    Nov 2009
    Posts
    106

    Default

    It pops up using IE and FF remotely, and with IW at the physical console, so it appears to be unrelated to the browser. If there are logs or whatever that might help pin this down, pls advise what/where and I'll post them.

  4. #4
    Untangler
    Join Date
    May 2010
    Location
    Switzerland
    Posts
    32

    Default

    here is what i find out....

    when you make a new fresh installation (with the configuration of the gateway)then in the rack modus download the lite-package the session viewer works fine....but if you install the system and you decide to install only a couple of application without pushing the lite-package, the session viewer breaks down with the java error!

    raffa

  5. #5
    some dude hlarsen's Avatar
    Join Date
    Jul 2010
    Location
    sfba
    Posts
    1,385

    Default

    Fixed exception that happens sometimes in Session Viewer (#8292)
    from the 8.1 changelog

  6. #6
    Newbie
    Join Date
    Oct 2009
    Location
    Warren, Ohio
    Posts
    5

    Default

    Just updated (2) untangle boxes to 8.1.1 & still getting the message when I go to View Sessions:

    WARNING
    An error has occurred:
    java.lang.NullPointerException at com.untangle.uvm.engine.SessionMonitorImpl.getMergedSessions(SessionMonitorImpl.java

    Happens in IE 6,7,8 and FF 3.6.15
    Last edited by tgarman; 03-09-2011 at 11:14 AM.

  7. #7
    Untangle Junkie dmorris's Avatar
    Join Date
    Nov 2006
    Location
    San Carlos, CA
    Posts
    17,747

    Default

    can you post the full exception from /var/log/uvm/uvm.log ?
    Attention: Support and help on the Untangle Forums is provided by volunteers and community members like yourself.
    If you need Untangle support please call or email support@untangle.com

  8. #8
    Untangler jcoffin's Avatar
    Join Date
    Aug 2008
    Location
    Sunnyvale, CA
    Posts
    9,111

    Default

    Look in /var/log/uvm/uvm.log. Please post the entire error if there.

  9. #9
    Newbie
    Join Date
    Oct 2009
    Location
    Warren, Ohio
    Posts
    5

    Default

    2011-03-10 13:06:28 [UvmContextImpl] INFO System.exec(/usr/share/untangle/bin/ut-conntrack )
    2011-03-10 13:06:28 [SessionMonitorImpl] ERROR Unable to read conntrack - invalid JSON
    org.jabsorb.serializer.UnmarshallException: element 0 JSONArray[0] not found.
    at org.jabsorb.serializer.impl.ListSerializer.unmarshall(ListSerializer.java:273)
    at org.jabsorb.JSONSerializer.unmarshall(JSONSerializer.java:679)
    at org.jabsorb.JSONSerializer.fromJSON(JSONSerializer.java:257)
    at com.untangle.uvm.engine.SessionMonitorImpl._getConntrackSessionMonitorEntrys(SessionMonitorImpl.java:331)
    at com.untangle.uvm.engine.SessionMonitorImpl.getMergedSessions(SessionMonitorImpl.java:120)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.jabsorb.JSONRPCBridge.call(JSONRPCBridge.java:646)
    at org.jabsorb.JSONRPCServlet.service(JSONRPCServlet.java:274)
    at com.untangle.uvm.webui.jabsorb.UtJsonRpcServlet.service(UtJsonRpcServlet.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
    at com.untangle.uvm.util.OutsideValve.invoke(OutsideValve.java:89)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
    at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:373)
    at com.untangle.uvm.engine.SpecialSingleSignOn.invoke(SpecialSingleSignOn.java:88)
    at com.untangle.uvm.engine.OurSingleSignOn.invoke(OurSingleSignOn.java:73)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
    at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
    at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
    at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773)
    at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
    at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895)
    at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
    at java.lang.Thread.run(Thread.java:619)
    Caused by: org.json.JSONException: JSONArray[0] not found.
    at org.json.JSONArray.get(JSONArray.java:189)
    at org.jabsorb.serializer.impl.ListSerializer.unmarshall(ListSerializer.java:264)
    ... 31 more
    2011-03-10 13:06:28 [JSONRPCBridge] ERROR exception occured
    java.lang.NullPointerException
    at com.untangle.uvm.engine.SessionMonitorImpl.getMergedSessions(SessionMonitorImpl.java:123)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.jabsorb.JSONRPCBridge.call(JSONRPCBridge.java:646)
    at org.jabsorb.JSONRPCServlet.service(JSONRPCServlet.java:274)
    at com.untangle.uvm.webui.jabsorb.UtJsonRpcServlet.service(UtJsonRpcServlet.java:70)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
    at com.untangle.uvm.util.OutsideValve.invoke(OutsideValve.java:89)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
    at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:373)
    at com.untangle.uvm.engine.SpecialSingleSignOn.invoke(SpecialSingleSignOn.java:88)
    at com.untangle.uvm.engine.OurSingleSignOn.invoke(OurSingleSignOn.java:73)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
    at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:200)
    at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
    at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:773)
    at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:703)
    at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:895)
    at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
    at java.lang.Thread.run(Thread.java:619)
    2011-03-10 13:06:28 [UvmContextImpl] INFO System.exec(/usr/bin/uptime )
    2011-03-10 13:06:28 [UvmContextImpl] INFO System.exec(/usr/share/untangle/bin/ut-uvm-uptime )
    2011-03-10 13:06:28 [UvmContextImpl] INFO System.exec(/usr/bin/free -m )
    2011-03-10 13:06:28 [UvmContextImpl] INFO System.exec(/bin/df -h )
    2011-03-10 13:06:28 [UvmContextImpl] INFO System.exec(/bin/ps --sort -rss aux )
    2011-03-10 13:06:29 [UvmContextImpl] INFO System.exec(/sbin/mii-tool )
    2011-03-10 13:06:30 [MailSenderImpl] INFO Successfully sent message 'Untangle Platform Logs (untangle-katmai.sscu.net) v8.1' to 1 recipients (exceptions@untangle.com)

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