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From "Xander Heemskerk" <>
Subject Re: Problem with Tomcat
Date Wed, 19 Jul 2000 08:39:28 GMT

You can set the TOMCAT_OPTS environment setting for options for the JVM. If you run java -?
or java -X on the command line you wil see max en min meomory hep settings.
Do you have a firewall between your tomcat server and database ? If so which ?
Greetings Xander

  ----- Original Message ----- 
  From: George Cheng 
  To: ; Xander Heemskerk 
  Sent: Wednesday, July 19, 2000 5:56 AM
  Subject: Re: Problem with Tomcat

  Thanks Xander,

  I am using thin client already.  However, I couldn't find the JVM setting you mentioned
in the conf files.  Anyway, I have minimize the settings in the conf files so as to minimize
the loading.  Unfortunately, the problem still exist!!!

  Are you making and progress on your side?


  George Cheng
    ----- Original Message ----- 
    From: Xander Heemskerk 
    To: ; 
    Sent: Friday, July 14, 2000 10:24 PM
    Subject: Re: Problem with Tomcat


    We having simular problems with a simular configuration (Solaris 2.6).
    We haven't solved it yet but think it depends on:
    1) Which JDBC driver thin or OCI. thin could be better.
    2) Min and Max setting of your JVM heap. Set min is max to prevent garbage collection
    Let me know how you are faring.
    Greeting and regards
    Xander Heemskerk

      ----- Original Message ----- 
      From: George Cheng 
      Sent: Wednesday, July 12, 2000 11:27 AM
      Subject: Problem with Tomcat

      Dear Sirs,

      I am having some problems with my Tomcat.  I don't know if anyone can help me to solve
the problem.

      Platform/OS:  Sun Solaris 7.0
      Web server:    Apache
      DB:                Oracle
      Java:            Java1.2
      Tomcat:        3.1

      My Java Servlets run fine.  but than, after a while the servlets failed to display anything
on the browser and a blank, white screen was displayed.  The servlets resumed their normal
function after Tomcat was retsarted.  Log files are attached for your reference.

      Your help in this matter would be highly appreciated.

      Thanks & Regards,

      George Cheng
      Tel: (852) 2189 7839
      Fax: (852) 2189 7811

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