How to set the JAVA_HOME environment variable?

Solution In Progress - Updated -

Environment

  • Red Hat Enterprise Linux
  • OpenJDK

Issue

  • To run JBoss product, I need to set the JAVA_HOME environment variable, how to set it?
  • How do I set the JAVA_HOME environment variable?

Resolution

Generally JAVA_HOME is needed to run the java related applications, else the results may vary. You will need to set the JAVA_HOME environment variable:

  • Determine the correct value for JAVA_HOME. The JAVA_HOME should point to the directory containing a bin/java executable.
  • As the user who will use OpenJDK, open the shell configuration file. For the Bash shell, this file is /home/username/.bashrc.
  • At the bottom of the file, type the following line, replacing the hypothetical path with the actual path to use on your own system: export JAVA_HOME="/path/to/java/home"
  • Save the file, and log out of and back into your session.

For detailed instructions, please see JBOSS Enterprise Application Platform Installation Guide: Install OpenJDK on Red Hat Enterprise Linux

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