Question

Tomcat 8 configure jvm memory

Hi all,

I am having trouble increasing the memory of my jvm tomcat 8. my droplet ubuntu 16.04 has 1 gb of memory.

I configured the setenv.sh within the path opt/tomcat/conf file like this:

export CATALINA_OPTS = "$CATALINA_OPTS -Xms256M"
export CATALINA_OPTS = "$CATALINA_OPTS -Xmx512M"
export CATALINA_OPTS = "$CATALINA_OPTS -XX:MaxPermSize=256M"

When starting tomcat the following error is displayed.

Invalid initial heap size: -Xms256M Error: Could not create the Java Virtual Machine. Error: A fatal exception has occurred. Program will exit

I would like some help??


Submit an answer

This textbox defaults to using Markdown to format your answer.

You can type !ref in this text area to quickly search our full set of tutorials, documentation & marketplace offerings and insert the link!

Sign In or Sign Up to Answer

These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.

Want to learn more? Join the DigitalOcean Community!

Join our DigitalOcean community of over a million developers for free! Get help and share knowledge in Q&A, subscribe to topics of interest, and get courses and tools that will help you grow as a developer and scale your project or business.

I followed the guideline at https://www.digitalocean.com/community/tutorials/how-to-install-apache-tomcat-8-on-ubuntu-16-04 It is saying about creating a tomcat service, memory can be set out there:

sudo nano /etc/systemd/system/tomcat.service Environment=‘CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC’

Doing some digging on this I’ve found a few suggestions on how to either adjust the lines you’ve shared or set these defaults for Java globally.

Following the examples here should help you to resolve this issue.