> From: BruceLee [mailto:[EMAIL PROTECTED] > Subject: Seek help for javax.servlet.ServletException: Java heap space > > I tried JAVA_OPTS -Xms128m -Xmx512m -Xss1024k -XX:MaxPermSize=128m. > On my local machine, everything is fine without any JAVA_OPTS > customization.
What JVM are you using on your hosting server? What JVM are you using on your local machine? 1) Read this: http://wiki.apache.org/tomcat/FAQ/Memory 2) Use JConsole to see what's really going on in the Tomcat heap on your hosting server while it's running. 3) If JConsole access isn't permitted, turn on -verbose:gc to get an idea of what's happening with the heap. 4) Turn on -XX:+HeapDumpOnOutOfMemoryError and use jhat to see what's consuming the space. Look here for info on jhat: http://java.sun.com/javase/6/docs/technotes/tools/share/jhat.html 5) The -Xss value seems rather high; you normally don't have to play with this. 6) It's usually better to set -Xms and -Xmx to the same value to avoid heap thrashing. - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
