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i googled and found that the java heap size need to be increased, but I am confused either to increse it in Tomcat or eclipse or command line. As I am using these three in my project. Also i dont want to increase the heap for one specific application , as i have 2 more running .
Also please suggest me the commands to increse the heap size.
If this is part of a web application, then you will need to change the memory settings in the Tomcat configuration. Lookup the documentation for your specific version of Tomcat to find out how to do that.
If it is part of a standalone Java application that you run from the command line, then you'd need to add a -Xmx option to the command. For example:
I added a new environmental variable named JAVA_OPTS = -Xms1024m -Xmx1024m -XX:MaxPermSize=128m
Still i am getting the same error.
My tomcat is plugged into Eclipse and in eclipse.ini file i tried changing the -vmargs and gave -Xms1024m -Xmx1024m .
But Eclipse failed to start after this changes and i revert back the previous settings.