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Thread: Every few days web interface hangs on "Loading...", fixed by restarting Zimbra

  1. #11
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    Default Web interface problems

    A have a very similar problem with the web interface.

    I have installed Release 7.1.4~GA~2555.UBUNTU10~64 UBUNTUUNKNOWN_64 FOSS edition. on Ubuntu Server 11.10. This is a virtual server with KVM.

    It was a bit difficult to make the installation work, but I could find on the Internet the solution/workaround for each problem. Finally, when the installation was finished, I noticed that the default configuration of Zimbra is tailored for at least 8G RAM (with 16G recommended). We don't have that many users and I could provide only 2-3G RAM to the server. So, I found several advice on Internet about how to customize Zimbra for 2G RAM, and followed them almost blindly (without really understanding what they are doing).

    Now the server works, I can send and receive emails with SMTP/IMAP (for example from Thunderbird), I can do the same with Zimbra Desktop, etc. However, when I try to login from the webmail, sometimes it works, sometimes I get some garbled plain text without styles, sometimes I get "Internal Server Error. The server has encountered an internal error."

    The command top shows me that from about 3G RAM that I have allocated to the server, only about half of it is filled. There is also a 4G swap partition, but the swap is empty (not used). I am not able to find any strange/suspicious thing on the logs as well, except something like this on /opt/zimbra/log/httpd_error.log.2012-02-14 (which happens on restart):
    [Tue Feb 14 09:44:01 2012] [notice] Apache/2.2.21 (Unix) PHP/5.3.6 configured -- resuming normal operations
    There is also a /opt/zimbra/log/mysql_error.log like this:
    InnoDB: The InnoDB memory heap is disabled
    InnoDB: Mutexes and rw_locks use GCC atomic builtins
    InnoDB: Compressed tables use zlib 1.2.3.3
    120214 9:43:48 InnoDB: Initializing buffer pool, size = 295.0M
    120214 9:43:48 InnoDB: Completed initialization of buffer pool
    120214 9:43:48 InnoDB: highest supported file format is Barracuda.
    120214 9:43:48 InnoDB Plugin 1.0.17 started; log sequence number 2884627
    120214 9:43:48 [Note] Event Scheduler: Loaded 0 events
    120214 9:43:48 [Note] /opt/zimbra/mysql/libexec/mysqld: ready for connections.
    Version: '5.1.58-log' socket: '/opt/zimbra/db/mysql.sock' port: 7306 Source distribution
    And also a /opt/zimbra/log/myslow.log like this:
    SELECT message_volume_id, secondary_message_volume_id, index_volume_id FROM current_volumes;
    # User@Host: zimbra[zimbra] @ localhost [127.0.0.1]
    # Query_time: 0.001436 Lock_time: 0.001334 Rows_sent: 10 Rows_examined: 10
    SET timestamp=1329209050;
    SELECT account_id, id FROM mailbox;
    # Time: 120214 9:44:11
    # User@Host: zimbra[zimbra] @ localhost [127.0.0.1]
    # Query_time: 0.011836 Lock_time: 0.011715 Rows_sent: 0 Rows_examined: 0
    SET timestamp=1329209051;
    SELECT class_name, name, mailbox_id, exec_time, interval_millis, metadata FROM scheduled_task;
    And on /var/log/mail.err I see:
    Feb 14 09:43:50 mail zmmailboxdmgr[1859]: no manager process is running
    Can you please help me to debug and fix the problem, and if possible, to improve the configuration of Zimbra, so that it uses efficiently the 3G RAM of the server? Thanks.
    Last edited by dashohoxha; 02-14-2012 at 05:35 AM.

  2. #12
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    I have noticed these errors as well, on /opt/zimbra/log/mailbox.log :

    2012-02-14 14:44:10,784 INFO [btpool0-16://localhost/service/soap/AuthRequest] [ip=192.168.1.249;ua=zclient/7.1.4_GA_2555;] soap - AuthRequest
    2012-02-14 14:44:11,146 INFO [btpool0-16://localhost:7071/service/admin/soap/GetDomainInfoRequest] [ip=127.0.0.1;ua=ZCS/7.1.4_GA_2555;] soap - GetDomainInfoRequest
    2012-02-14 14:44:11,390 INFO [btpool0-16://localhost/service/soap/BatchRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=ZCS/7.1.4_GA_2555;] soap - BatchRequest
    2012-02-14 14:44:11,390 INFO [btpool0-16://localhost/service/soap/BatchRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=ZCS/7.1.4_GA_2555;] soap - (batch) GetInfoRequest
    2012-02-14 14:44:11,391 INFO [btpool0-16://localhost/service/soap/BatchRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=ZCS/7.1.4_GA_2555;] session - Too many SOAP sessions, closing SoapSession: {sessionId: 135, accountId: 0aad1e47-1589-4ac4-838e-13124740f238, lastAccessed: 2012-02-14 14:36:56,825}
    2012-02-14 14:44:11,948 INFO [btpool0-16://localhost/service/soap/BatchRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=ZCS/7.1.4_GA_2555;] soap - (batch) SearchRequest
    2012-02-14 14:44:12,505 INFO [btpool0-22://localhost:7071/service/admin/soap/GetDomainInfoRequest] [ip=127.0.0.1;ua=ZCS/7.1.4_GA_2555;] soap - GetDomainInfoRequest
    2012-02-14 14:44:17,191 INFO [btpool0-16] [] log - Extended idle expiry:SCEP@923875417[d=false,io=1,w=true,b=false|false],NOT_HANDSHAKING, in/out=0/0 Status = OK HandshakeStatus = NOT_HANDSHAKING
    bytesConsumed = 259 bytesProduced = 280
    2012-02-14 14:44:17,615 ERROR [btpool0-21://mail.cit.edu.al/zimbra/css/images,common,dwt,msgview,login,zm,spellcheck,wiki ,skin.css?v=120105101317&debug=&skin=bare&locale=e n_US] [] log - Error for /zimbra/css/images,common,dwt,msgview,login,zm,spellcheck,wiki ,skin.css
    java.lang.OutOfMemoryError: Java heap space
    2012-02-14 14:44:17,624 INFO [btpool0-16://localhost:7071/service/admin/soap/GetDomainInfoRequest] [ip=127.0.0.1;ua=ZCS/7.1.4_GA_2555;] soap - GetDomainInfoRequest
    2012-02-14 14:44:18,166 INFO [btpool0-23://mail.cit.edu.al/service/soap/SyncRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=Zimbra Desktop/7.1.2_10978_Linux;] soap - SyncRequest
    2012-02-14 14:44:18,175 INFO [btpool0-23://mail.cit.edu.al/service/soap/SyncRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=Zimbra Desktop/7.1.2_10978_Linux;] soap - SyncRequest
    2012-02-14 14:44:18,176 INFO [btpool0-21://mail.cit.edu.al/service/soap/BatchRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=ZimbraWebClient - FF3.0 (Linux)/7.1.4_GA_2555;] soap - BatchRequest
    2012-02-14 14:44:18,177 INFO [btpool0-21://mail.cit.edu.al/service/soap/BatchRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=ZimbraWebClient - FF3.0 (Linux)/7.1.4_GA_2555;] soap - (batch) GetMailboxMetadataRequest
    2012-02-14 14:44:20,629 ERROR [btpool0-21://mail.cit.edu.al/service/zimlet/res/Zimlets-nodev_all.js.zgz?language=en&country=US&cosId=e004 28a1-0c00-11d9-836a-000d93afea2a] [] log - Error for /service/zimlet/res/Zimlets-nodev_all.js.zgz
    java.lang.OutOfMemoryError: Java heap space
    2012-02-14 14:44:23,476 INFO [btpool0-21://mail.cit.edu.al/service/soap/GetMiniCalRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=ZimbraWebClient - FF3.0 (Linux)/7.1.4_GA_2555;] soap - GetMiniCalRequest
    2012-02-14 14:44:24,958 INFO [MailboxPurge] [name=dashamir.hoxha@cit.edu.al;mid=2;] purge - Purging messages.
    2012-02-14 14:44:28,487 INFO [btpool0-21://mail.cit.edu.al/service/soap/SearchRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=ZimbraWebClient - FF3.0 (Linux)/7.1.4_GA_2555;] soap - SearchRequest
    2012-02-14 14:44:28,538 INFO [btpool0-21://mail.cit.edu.al/service/soap/SearchRequest] [name=dashamir.hoxha@cit.edu.al;mid=2;ip=192.168.1. 249;ua=ZimbraWebClient - FF3.0 (Linux)/7.1.4_GA_2555;] soap - SearchRequest
    This happens when I try to reload the web interface.

    When try to open the zimbraAdmin intererface, I get these messages:
    2012-02-14 14:47:59,803 INFO [btpool0-5://localhost:7071/service/admin/soap/GetDomainInfoRequest] [ip=127.0.0.1;ua=ZCS/7.1.4_GA_2555;] soap - GetDomainInfoRequest
    2012-02-14 14:48:02,867 ERROR [btpool0-21://mail.cit.edu.al:7071/zimbraAdmin/] [] log - Error for /zimbraAdmin/
    java.lang.OutOfMemoryError: Java heap space
    So, it seems that there is an OutOfMemoryError on Java heap space, but I have no idea what can be the cause of the problem and how to fix it. Please help me.

  3. #13
    phoenix is offline Zimbra Consultant & Moderator
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    Quote Originally Posted by dashohoxha View Post
    I have installed Release 7.1.4~GA~2555.UBUNTU10~64 UBUNTUUNKNOWN_64 FOSS edition. on Ubuntu Server 11.10. This is a virtual server with KVM.
    I'm not surprised you're having problems as you're running ZCS in an unsupported environment, KVM isn't supported (although it should work) and Ubuntu 11.x is definitely not supported and may be the cause of your problems. What did you actually do to get ZImbra working in this environment? Is this server behind a NAT router? Do you have a Split DNS set-up?
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  4. #14
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    Maybe you should be surprised, because it is working. Only the web interface is not working, and it seems that it is a bad configuration problem (I could have screwed up something, while trying to reconfigure it for working efficiently with 2G RAM).

    Could you help me to debug and fix this problem? I could even create you an account on https://mail.cit.edu.al/ for testing purposes.

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