Project startup error: outofmemoryerror [How to Solve]

1. check tomcat settings, whether the start is set at the same time build, if so, to remove
2.  configurate tomcat的vm option
-server -Xms512m -Xmx2048m -XX:PermSize=64M -XX:MaxNewSize=256m -XX:MaxPermSize=512m -Djava.awt.headless=true -Dfile.encoding=UTF-8

3 Set the compile size
Settings -> Build, Execution, Deployment -> Complier -> Build process heap size VM options

4 Check the VMs that come with Idea
Help – >Edit  Custom VM Options

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