Tomcat – java.lang.OutOfMemoryError: PermGen space

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原文地址：http://www.mkyong.com/tomcat/tomcat-javalangoutofmemoryerror-permgen-space/

运行jeewx项目，遇到了java.lang.OutOfMemoryError: PermGen space错误，找了一些办法，还是这个比较管用

2. Windows

Tomcat is managed by this script file catalina.bat, dive inside the script, you will find out that catalina.bat always find and run the setenv.bat file to set the environment variables.

{$tomcat-folder}\bin\catalina.bat

//...rem Get standard environment variablesif not exist "%CATALINA_BASE%\bin\setenv.bat" goto checkSetenvHomecall "%CATALINA_BASE%\bin\setenv.bat"goto setenvDone:checkSetenvHomeif exist "%CATALINA_HOME%\bin\setenv.bat" call "%CATALINA_HOME%\bin\setenv.bat":setenvDone//...

2.1 To set the environment variable on Windows, create asetenv.bat manually, and put it into the${tomcat-folder}\bin folder.

${tomcat-folder}\bin\setenv.bat

set JAVA_OPTS=-Dfile.encoding=UTF-8 -Xms128m -Xmx1024m -XX:PermSize=64m -XX:MaxPermSize=256m

P.S No double quotes, set JAVA_OPTS={value}.

2.2 Restart Tomcat, it will call the setenv.bat file to set the environment variable automatically.

{$tomcat-folder}\bin\catalina.bat restart

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