Requirements: Oracle JDK 1.7.x. Note that the JRE alone is not enough.

If you do not have the right version of the Java Development Kit (JDK) already installed, follow the steps below to get it.

  1. Download the Oracle Java SE Development Kit (JDK).
    • Get the latest version of the JDK 1.7.x.
    • If you are running 64-bit Windows, we recommend that you use 32-bit JDK rather than the 'x64' JDK. The 32-bit version will use less memory. You do not need the 64-bit JDK unless you are running a very large server.
  2. Follow the Oracle installation instructions.
  3. Make sure you have a JAVA_HOME environment variable pointing to the root directory of the JDK. Some JDK installers set this automatically.
    • Check by typing one of the following into a command window, depending on your operating system.
      • On Windows: echo %JAVA_HOME%
      • On Linux or UNIX: echo $JAVA_HOME
    • If the above command does not show you the path to your JDK, please refer to the Crowd instructions on setting JAVA_HOME.
  4. Ensure that only one version of Java is installed on your machine. In Windows, use Add/Remove programs to remove old Java versions, and failing that you can use the Microsoft Fix it solution to remove corrupted versions of Java.
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