When Tomcat keeps throwing OutOfMemory

2015 · 02 · 05 1 min read Paper

Contents

Add the following at the very top of catalina.sh to increase the memory. (Careful — keep the server’s total memory in mind.)

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export CATALINA_OPTS="-Djava.awt.headless=true -server -Xms2048m -Xmx2048m -XX:NewSize=256m -XX:MaxNewSize=256m -XX:PermSize=256m -XX:MaxPermSize=512m -XX:+CMSClassUnloadingEnabled -XX:+CMSPermGenSweepingEnabled"

Reference) http://stackoverflow.com/questions/88235/dealing-with-java-lang-outofmemoryerror-permgen-space-error