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Thread: Tomcat - java.lang.OutOfMemoryError: PermGen space

  1. #1
    ronniev's Avatar
    ronniev is offline Forum Member
    Join Date
    Oct 2008

    Default Tomcat - java.lang.OutOfMemoryError: PermGen space

    Tomcat - java.lang.OutOfMemoryError: PermGen space

    When you access .jsp page then some times it shows the following error on the page.

    HTTP Status 500 -

    type Exception report


    description The server encountered an internal error () that prevented it from fulfilling this request.


    javax.servlet.ServletException: Servlet execution threw an exception

    root cause

    java.lang.OutOfMemoryError: PermGen space

    note The full stack trace of the root cause is available in the Apache Tomcat/5.5.25 logs.
    Apache Tomcat/5.5.25
    Solution is :

    It needs to increase the memory by making changes in file.

    Follow the following steps :

    1) vi /usr/local/jakarta/tomcat/bin/

    2) Add following line into the file.

    JAVA_OPTS="-Djava.awt.headless=true -Dfile.encoding=UTF-8 -server -Xms512m -Xmx1024m -XX:NewSize=256m -XX:MaxNewSize=256m -XX:PermSize=256m -XX:MaxPermSize=256m -XX:+DisableExplicitGC"

    Partial example of file

    # JSSE_HOME (Optional) May point at your Java Secure Sockets Extension
    # (JSSE) installation, whose JAR files will be added to the
    # system class path used to start Tomcat.
    # CATALINA_PID (Optional) Path of the file which should contains the pid
    # of catalina startup java process, when start (fork) is used
    # $Id: 609438 2008-01-06 22:14:28Z markt $
    # -----------------------------------------------------------------------------

    JAVA_OPTS="-Djava.awt.headless=true -Dfile.encoding=UTF-8 -server -Xms512m -Xmx1024m -XX:NewSize=256m -XX:MaxNewSize=256m -XX:PermSize=256m -XX:MaxPermSize=256m -XX:+DisableExplicitGC"

    # OS specific support. $var _must_ be set to either true or false.

    Save and exit
    Then restart the tomcat

    [email protected][~]# /usr/local/jakarta/tomcat/bin/./
    [email protected][~]# /usr/local/jakarta/tomcat/bin/./
    [email protected][~]# /usr/local/jakarta/tomcat/bin/./ run
    [email protected][~]# /scripts/restartsrv tomcat

  2. #2
    Rock's Avatar
    Rock is offline Technical Support (
    Join Date
    Oct 2006


    Yep, I've seen this error popping too many times when working with Java issues.. I'd need to search over Google to pass through it :wink: Thank you for posting it here Ronnie, it'd be helpful for the others too...
    Rock _a.k.a._ Jack Daniel

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  3. #3
    bellurashwin is offline Forum Member
    Join Date
    Feb 2010


    Thanks mate. Works fine for me with changes mentioned in your post.

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