示例:
C:\Documents and Settings\xuanfang>java -Xmx1024M -version
java version "1.5.0_07"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_07-b03)
Java HotSpot(TM) Client VM (build 1.5.0_07-b03, mixed mode)
C:\Documents and Settings\xuanfang>java -Xmx1524M -version
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.
为1524M时出现不被支持
2、修改tomcat的内存大小,有以下两种方式:
a、使用 catalina.bat 等命令行方式运行的 tomcat
修改 tomcat\bin\Catalina.bat 文件
在166行左右
rem Execute Java with the applicable properties ”以下每行
%_EXECJAVA% %JAVA_OPTS% %CATALINA_OPTS% %DEBUG_OPTS% -Djava.endorsed.dirs="%JAVA_ENDORSED_DIRS%" -classpath "%CLASSPATH%" -Dcatalina.base="%CATALINA_BASE%" -Dcatalina.home="%CATALINA_HOME%" -Djava.io.tmpdir="%CATALINA_TMPDIR%" %MAINCLASS% %CMD_LINE_ARGS% %ACTION%