From: Tom Mueller <Tom.Mueller_at_oracle.com>
Date: Fri, 21 Dec 2012 17:21:51 -0600

Try making JAVA_HOME point to the JDK rather than JRE. In your case, it
looks
like it should be:

set JAVA_HOME=C:\Program Files\Java\jdk1.6.0_38

The PATH should include a reference to the bin directory, as in:

set PATH=C:\Program Files\Java\jdk1.6.0_38\bin:%PATH%

Tom