Skip to main content

This content has been archived and is no longer being updated. Links may not function; however, this content may be relevant to outdated versions of the product.

Support Article

Tomcat is not starting correctly



Pega Admin is not able to start the Tomcat instance with PRPC installed.

Error Messages

Not Applicable

Root Cause

JAVA heap size(JAVA_OPTS variable) was not defined correctly in the setenv.bat file causing Tomcat to fail to allocate right memory in the heap for Objects to launch Pega application.


Following line was introduced in the setenv.bat file under Tomcat's BIN directory

set JAVA_OPT=-Xms1024m -Xmx2048m -XX:PermSize=62m -XX:MaxPermSize=348m -Djava.awt.headless=true

Suggest Edit

Published June 5, 2016 - Updated October 8, 2020

Did you find this content helpful? Yes No

Have a question? Get answers now.

Visit the Collaboration Center to ask questions, engage in discussions, share ideas, and help others.

We'd prefer it if you saw us at our best.

Pega Community has detected you are using a browser which may prevent you from experiencing the site as intended. To improve your experience, please update your browser.

Close Deprecation Notice
Contact us