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Failed on "Homepage" [1 of 1] Error: couldn't resolve host name

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  • hughmcl
    Junior Member
    • Oct 2008
    • 20
    #1

    Failed on "Homepage" [1 of 1] Error: couldn't resolve host name

    I've been using web monitoring for some time now with no issues, suddenly today for some reason, most of the web checks are coming back with:-

    Failed on "Homepage" [1 of 1] Error: couldn't resolve host name

    I've checked and the server can both look up the IP address from the name, and i can use curl to get the webpage, both using http:// and not using http://. However in the web checks I'm getting the errors!

    27655:20090729:171505 Error doing curl_easy_perform [couldn't resolve host name]
    27655:20090729:171505 In process_step_data(step:Homepage,url:http://www.<hiddenURL>,rsp:0,time:0.000000,speed:0.000000 )


    nothing has changed on the server, so I'm pretty confused as to where the error is coming from!



    CentOS 5.3
    Zabbix-1.6.5
    3GB RAM
    MySQL-5.1.33
    Tags: None
    • hughmcl
      Junior Member
      • Oct 2008
      • 20
      #2
      I'm continuing to have this issue!

      Most of the time everything works fine, then in spurts we get lots of Web errors, and when i look in the logs:-

      Error doing curl_easy_perform [Couldn't resolve host name]


      I just tried upgrading to the latest curl today (recompiled zabbix agent/server). And again still getting the errors.

      Noone got any idea how to fix this?

      It recovers shortly after, but in the meantime it's already sent out alerts.

      I really like Zabbix, but I'm getting pressured from the helpdesk to replace it, since they get paged every time there's an issue! I don't want to replace it, but if we can't get this issue resolved, then I'm going to have to.

      Hugh

        Comment

        • rgilchrist
          Junior Member
          • Mar 2005
          • 7
          #3
          Same Problem

          Hi Hugh
          Just wondering if you found any solution to this problem.

          I have experienced this issue serveral times, thought I had found a fix/hack by hardcoding the URL's & IP's in the /etc/hosts file. Which solved the problem for a couple of months, but all of a sudden the problem has started again. And I can't find a way to resolve it.




          Cheers
          Rob

            Comment

            • wbro1
              Junior Member
              • Apr 2009
              • 17
              #4
              couldn't resolve host name

              Here's same issue.

              on zabbix server i can ping everywhere. But on web monitoring only get the anwser "Fail - Error: couldn't resolve host name".

              What's wrong with my Zabbix

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