When Java.lang.OutOfMemoryError:Java heap space, the method of increasing operation parameters

Causes the Java.lang.OutOfMemoryError:Java heap space exception, which may be caused by the Java stack setting being too small

There are two ways to solve these questions on the Internet:

1. Join at the front of the D:/apache-tomcat-6.0.18/bin/catalina.bat: set java_opts=-xms384m-xmx384m

Note: Only Startup.bat starts Tomcat, the settings will take effect, and if you start the Tomcat service with Windows system services, the settings above will not take effect.
Which means set java_opts=-xms384m-xmx384m doesn't work.

2, java-jar-xms384m-xmx384m Demo.jar parameters

2, modify the startup parameters in Eclilpse, in the VM arguments added-xms384m-xmx384m, set as shown

Problem solving.

When Java.lang.OutOfMemoryError:Java heap space, the method of increasing operation parameters