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/cpanel shortcut gives "Internal Server Error"

Discussion in 'General Discussion' started by hbhb, May 29, 2007.

  1. hbhb

    hbhb Well-Known Member

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    I need help

    Everytime I try to access my domain Cpanel, webmail, WHM via shortcut

    http://domain.com/cpanel
    http://domain.com/webmail
    http://domain.com/whm

    It gives me "Internal Server Error"

    It never happens until recently when my server management company tweak something I didn't know. They fixed it yesterday and today it is happening again. They said it was due to 'ulimit'

    I have 9 servers and it never happens to the rest 8 servers. Just this server always happening.

    How do I solve this problem? And what exactly is the problem?


    Internal Server Error
    The server encountered an internal error or misconfiguration and was unable to complete your request.

    Please contact the server administrator, webmaster@domain.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.

    More information about this error may be available in the server error log.

    Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.
     
    #1 hbhb, May 29, 2007
  2. thehostrack

    thehostrack Member

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    Same problem.

    Any solution??

    Update: This appears to be an issue with the recent cPanel/WHM update. Ran /scripts/upcp last night, but it still didn't resolve the issue. I'm now trying /scripts/upcp --force.

    That fixed it!
     
    #2 thehostrack, Jun 12, 2007
    Last edited: Jun 12, 2007
  3. Bravo

    Bravo Well-Known Member

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    same problem, domain.com/cpanel gives 500 Internal server error

    tried restarting cpanel, /scripts/upcp --force but it keeps giving the same error

    using the port number i.e domain.com:2082 works just fine

    Running S16448
     
    #3 Bravo, Aug 29, 2007
  4. cPanelDavidG

    cPanelDavidG Technical Product Specialist

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    How about restarting Apache? The /cpanel /webmail and /whm redirects are initially handled by Apache.
     
    #4 cPanelDavidG, Aug 29, 2007
  5. ToddShipway

    ToddShipway Well-Known Member

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    What are the corresponding errors in /usr/local/apache/logs/error_log ?
     
    #5 ToddShipway, Aug 29, 2007
  6. Bravo

    Bravo Well-Known Member

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    Code:
    [Wed Aug 29 13:24:12 2007] [error] [client 85.75.36.252] (11)Resource temporarily unavailable: couldn't spawn child process: /usr/local/cpanel/cgi-sys/redirect.cgi
[Wed Aug 29 13:24:12 2007] [error] [client 85.75.36.252] File does not exist: /home/user/public_html/500.shtml
    Tried restarting Apache too, still same error
     
    #6 Bravo, Aug 29, 2007
  7. ToddShipway

    ToddShipway Well-Known Member

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    I'm not sure if it was you that just submitted the ticket on this or not.

    But I just worked on this exact issue and found that the ulimit for 'max user processes' was set to low.

    You can check this setting using 'ulimit -u'

    Be sure to check all ulimit 9ulimit -a) settings to ensure they aren't set to low, restricting apache from working properly.
     
    #7 ToddShipway, Aug 29, 2007
  8. Bravo

    Bravo Well-Known Member

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    Yes, that was me.

    Turned out that it was caused by a misconfiguration by a server admin outfit I hired to optimize and harden the server.

    Thank you Todd & Matt for figuring it out and also for your super fast response!
     
    #8 Bravo, Aug 29, 2007
  9. neo4242002

    neo4242002 Well-Known Member

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    This problem hit my server today :(

    error logs says "/usr/local/apache/logs/error_log"

    Code:
    Invalid argument: setting of resource limits failed
Premature end of script headers: redirect.cgi
File does not exist: /home/xxxxx/public_html/500.shtml
    Code:
     ulimit -u
14335

    currently I am unable to use /cpanel , /whm and /webmail:mad::mad:

    Any help guys?:confused:
     
    #9 neo4242002, Jan 14, 2008
  10. yaax

    yaax Well-Known Member

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    I also have same problem from yesterday when I unlikely decided to upgrade cpanel and apache for lastest versions.... :(
    I need urgent solution as all cgi scripts are not working on my server now....
     
    #10 yaax, Jan 14, 2008
  11. yaax

    yaax Well-Known Member

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    Fixed this problem by commentig out RLIMIT lines on the top of httpd.conf file and restarting apache.
     
    #11 yaax, Jan 14, 2008
  12. WEBDOMAIN.com

    WEBDOMAIN.com Active Member

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    Same problem here.
    WHM is updated to the latest Release version.
    Is this a bug of the new release?
     
    #12 WEBDOMAIN.com, Jan 26, 2008
  13. rvskin

    rvskin Well-Known Member
    PartnerNOC

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    Just found the same issue. Above suggestion do fix my issue as well. Thanks to yaax.
     
    #13 rvskin, Mar 11, 2008
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