Windows Java -Xmx and -Xms unable set by command prompt

Question

i try to increase the java -Xmx and -Xms , i have try use the command to as

javaw -XX:+MaxPermSize=8192M  

it show Error message of Could not create the Java Virtual Machine. A fatal exception has occured.Program will exit

And also try to add new Environment Variable for java as

Variable name =_JAVA_OPTIONS
Variable value = Xmx8192M

After set finish i try to use the command to check for the MaxheapSize it show "0".

Answer 1

在运行应用程序时，您可以这样设置：

java -XX:PermSize=8192m -XX:MaxPermSize=8192m -jar application.jar