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Thread: Troubleshooting Zimbra Outage

  1. #1
    swu
    swu is offline Special Member
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    Red face Troubleshooting Zimbra Outage

    We recently had an "outage" - users unable to access Zimbra. Their browsers would get the "page not found" errors. The Zimbra admin gui was fine, ssh to the server was fine, mail was still coming in (mail.log) - so which services should we start checking to see where the issue is?

    Our resolution this time was to do a shutdown -r and Zimbra came back up just fine and users were able to get their email. Next time we'd like to know where to look and if it's restarting a service or something of that sort, go that route.

    Thx for any advice.

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    gmsmith is offline Moderator
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    Before you rebooted did you do a zmcontrol status to see what processes were running. Almost sounds like Tomcat died.

    Did you sort through the mailbox.log in /opt/zimbra/logs/? Anything abnormal in there?

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    mmorse's Avatar
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    Building on that; after you dig through mailbox.log-then check out: /opt/zimbra/tomcat/logs/catalina.out

    Log file list is here: /docs/ne/latest/administration_guide/9_Monitoring.12.1.html#1075561

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    kirme3 is offline Trained Alumni
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    SWU, it looks like you are using the NE edition. You should probably open a support case about it, if you can. I've had quite a few times where tomcat stops, hangs, doesn't respond..etc..on our Mac install. The first thing I always do when there is a no response issue is run zmcontrol status.

    The typical logs I get for support are:
    /opt/zimbra/log/mailbox.log
    /opt/zimbra/tomcat/logs/catalina.out
    /opt/zimbra/tomcat/logs/stacktrace.xxxx(if there is one)

    The logs are pretty easy to decipher about what happened. I also run ps auxww to see what processes are running..sometimes helps.

    If it is just tomcat stopped, a faster way to bring it up than a reboot is to issue a tomcat start as zimbra user. You may have to issue a zmmailboxctl start too.

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    swu
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    Wink

    Thanks for all the replies and tips. I wasn't quite sure where to start poking and it was prime time for email to be up. I've taken notes and should it happen again I'll take the time to run the checks mentioned.

    Does the admin GUI use a different instance of Tomcat? I thought maybe Tomcat gave up, but I could still get in through the admin GUI.

    Thx again!

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