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  • Setting the JAVA_HOME Environment Variable
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The procedure to set the JAVA_HOME environment variable differs on different platforms:

Windows

  • Open System Properties (right-click My computer and select Properties)
  • Open Advanced tab
  • Click Environment Variables
  • Locate the JAVA_HOME system variable and click Edit
  • Set the value of the variable to the path of the Java installation, for example: "C:\Progra~1\Java\jre1.6.0_17"

Macintosh

Set JAVA_HOME variable for OSX
setenv JAVA_HOME /System/Library/Frameworks/JavaVM.framework/Home

Unix

Depending on the used shell:

Set JAVA_HOME variable for 'tcsh'
setenv JAVA_HOME="/usr"
Set JAVA_HOME variable for 'bash' (directory is default for the Debian and Ubuntu apt-get package)
declare -x JAVA_HOME="/usr"

Java Home directory

The JAVA_HOME environment directory may be different on every distribution.

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