title: Windows Java -Xmx and -Xms unable set by command prompt
body: <p>i try to increase the java -Xmx and -Xms , i have try use the command to as</p>
  
  <pre><code>javaw -XX:+MaxPermSize=8192M  
  </code></pre>
  
  <p><em>it show Error message of Could not create the Java Virtual Machine. A fatal exception has occured.Program will exit</em></p>
  
  <p>And also try to add new Environment Variable for java as</p>
  
  <pre><code>Variable name =_JAVA_OPTIONS
  Variable value = Xmx8192M
  </code></pre>
  
  <p>After set finish i try to use the command to check for the MaxheapSize it show "0".</p>