tomcat heap dump

Products

• VMware Smart Assurance

Issue/Introduction

Logging out of heap space errors in tomcat by enabling java heap dump file

Environment

Watch4Net/M&R 7.x

Resolution

• Login to Frontend Host.

• cd /opt/APG/bin

   

• vi apg-tomcat-default

• Change

   -Xmx****m -javaagent 

  to

   -Xmx****m -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/tmp/heapdump -javaagent 

• Adding the above entry will generate the heapdump file under the /tmp folder when the tomcat crashes.
• Restart all the services by running the command:

  ./manage-modules.sh service restart all

  
  ** Attaching the screenshot for reference.