title: How to set java_home on Windows 7?
body: <p>I went to the Environment Variables in 'System' in the control panel and made two new variables, one for user variables and one for system variables. Both were named JAVA_HOME and both pointing to</p>
  
  <blockquote>
    <p>C:\Sun\SDK\jdk\bin</p>
  </blockquote>
  
  <p>But for some reason, I still get the below error when running a Java command...</p>
  
  <pre><code>BUILD FAILED
  C:\Users\Derek\Desktop\eclipse\eclipse\glassfish\setup.xml:161: The following error  occurred while executing this line:
  C:\Users\Derek\Desktop\eclipse\eclipse\glassfish\setup.xml:141: The following error occurred while executing this line:
  C:\Users\Derek\Desktop\eclipse\eclipse\glassfish\setup.xml:137: Please set java.home to a JDK installation
  
  Total time: 1 second
  C:\Users\Derek\Desktop\eclipse\eclipse\glassfish&gt;lib\ant\bin\ant -f setup.xml
  Unable to locate tools.jar. Expected to find it in C:\Program Files\Java\jre6\lib\tools.jar
  Buildfile: setup.xml
  </code></pre>
  
  <p>How can I fix this problem?</p>