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    Mango runs but can't get login page to appear...

    Mango Automation general Discussion
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    • M
      mlavelle42
      last edited by

      I've been running Mango for a couple years at this site. It's been very reliable. But when I tried to login today the login page never appeared - the browser timed out (even after several retries).

      I've stopped/started it several times with no luck. However, I've found some suspicious startup messages. There are 12 identical messages like the one below. Any suggestions?

      ERROR 2018-02-15 10:51:41,224 (com.serotonin.bacnet4j.transport.DefaultTransport.run:416) - Error during expire messages:
      java.lang.NullPointerException
      at com.serotonin.bacnet4j.npdu.Network.sendAPDU(Network.java:105)
      at com.serotonin.bacnet4j.transport.DefaultTransport.sendForResponse(DefaultTransport.java:851)
      at com.serotonin.bacnet4j.transport.DefaultTransport.expire(DefaultTransport.java:804)
      at com.serotonin.bacnet4j.transport.DefaultTransport.run(DefaultTransport.java:414)
      at java.lang.Thread.run(Thread.java:745)

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      • Jared WiltshireJ
        Jared Wiltshire
        last edited by

        @mlavelle42

        What version of Mango?

        I wouldn't imagine that message would cause Mango to stop starting up / not start the web server. Can you please post your full log.

        Developer at Radix IoT

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        • M
          mlavelle42
          last edited by

          Mango does run - kinda - it just doesn't allow a user to login.
          Here's a link to the ma.log. It's version 2.7.10.

          Here's the startup list.

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          • phildunlapP
            phildunlap
            last edited by

            Hi mlavelle42,

            Have you tried clearing your browser's cache and deleting the Mango/work/jsp directory?

            The other thing to try would be launching Mango directly on a command line. Then if any errors escape to stderr you can share them with us. Navigate to Mango/bin on the command line and either ./ma.sh start or ma-start.bat

            You may see resolution in that BACnet error if you updated, but I concur with Jared that is not the reason you cannot log in.

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            • M
              mlavelle42
              last edited by

              I deleted: mango/work/jsp and restarted Mango - but I was unable to login again. So I rebooted the processor to clear everything out. But Mango still wouldn't allow me to login (i.e. didn't get the Mango login page). Finally I shut Mango down and started it up again - to capture the startup messages - which are at this link.

              It seems to startup OK until this message comes in: java.lang.NullPointerException.

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              • Jared WiltshireJ
                Jared Wiltshire
                last edited by

                Again, its highly unlikely that has anything to do with you not being able to login. I can see from the full log you posted that the web context is starting up. Are you sure you are connecting on the right port and any firewalls/proxies you may have in between are configured correctly?

                Developer at Radix IoT

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                • phildunlapP
                  phildunlap
                  last edited by phildunlap

                  This post is deleted!
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