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You must install the Oracle Java Development Kit (JDK) or the Java Runtime Environment (JRE) before installing . Although will run with either JAVA package, the Insight Server requires the JAVA_HOME environment variable so set it to the installation directory for the Java package that you install. .

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This page refers specifically to a JDK or JRE installation on a Windows system. If you are installing on Unix you will need to adjust some of the specifics accordingly.

Follow the steps below:

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If you are not sure whether you have Oracle's JDK or JRE installed correctly, please confirm by doing the following:

  1. Run a complete directory search  for the JDK/JRE

    1. Run a complete directory search(using the 'All File and Folders' option if available) on your drives for the occurrence of 'jdk' in the filename to search for the JDK.

    To confirm correct JRE installation , run
    1. Run a complete directory search (using the 'All File and Folders' option if available) on your drives for the occurrence of  'jre' in the filename to search for the JRE.
      1. If your results retrieve a folder with the name 'jdk' immediately followed by a series of version numbers (for example, jdk1.8.0_22), then your Oracle JDK has been installed. You should double-check the contents of this folder to ensure that the installation files are intact. If you are unsure about this, proceed to Install the Oracle JDK section  to re-install it. Otherwise, proceed to the step 4  in that section to check that your JAVA_HOME environment variable has been set correctly.
      2. If your results retrieve a folder with the name 'jre' immediately followed by a version number (for example, jre8), then your Oracle JRE has been installed. You should double-check the contents of this folder to ensure that the installation files are intact. If you are unsure about this, proceed to the Install the Oracle JRE section to re-install it. Otherwise, proceed to step 4 to check that your JAVA_HOME environment variable has been set correctly.
    2. If you do not retrieve results as explained above, then it is highly likely that your Oracle JDK or JRE has not been installed. Go to the applicable installation section below for the instructions.

Install the Oracle JDK

 To install the Oracle JDK, follow these instructions:

  1. Go to the Java download page.
  2. Download the JDK version 1.8.
  3. When the download has finished, run the Java installer. At one point, you will be asked to choose a directory to install to. Copy or write this directory down for use later.
  4. Check that the JAVA_HOME environment variable has been set correctly.
    1. Open the 'Start' menu, choose 'Run', type cmd in the 'Run' dialog box and click the 'OK' button.
    2. In the command prompt window, type echo %JAVA_HOME% and then press Enter.
    3. View the result:
    4. If a directory path is displayed that looks similar to one of the following examples, with the letters 'jdk' immediately preceding a series of version numbers, and this path matches the location where you installed the Oracle JDK in step 3c, then your Oracle JDK has been successfully installed and your JAVA_HOME environment variable has been set correctly. ''Examples of typical JAVA_HOME environment variable values'':

                        • C:\Program Files\Java\jdk1.8.0_22
                        • C:\Progra~1\Java\jdk1.8.0_17
                        • C:\Java\jdk1.8.0_17
                        • C:\jdk1.8.0_17

    5. If nothing is displayed or you do not see 'jdk' immediately followed by a series of version numbers (like one of the examples above), then you need to set the JAVA_HOME environment variable. Please follow these instructions to set your JAVA_HOME environment HOME environment to the directory where you have just installed the JDK. By default, this directory is under C:\Program Files(x86)\Java for a 32 bit Windows System. You will find it under c:\Program Files on a 64 bit Windows system

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  1. Go to the Java download page.
  2. Download the JRE version 1.8.
  3. When the download has finished, run the Java installer. At one point, you will be asked to choose a directory to install to. Copy or write this directory down for use later.
  4. Check that the JAVA_HOME environment variable has been set correctly.
    1. Open the 'Start' menu, choose 'Run', type cmd in the 'Run' dialog box and click the 'OK' button.
    2. In the command prompt window, type echo %JAVA_HOME% and then press Enter.
    3. View the result:
    4. If a directory path is displayed that looks similar to one of the following examples, with the letters 'jre' immediately preceding a version number, and this path matches the location where you installed the Oracle JRE, then your Oracle JRE has been successfully installed and your JAVA_HOME environment variable has been set correctly. ''Examples of typical JAVA_HOME environment variable values'':

                      • c:\Program Files)\Java\jre1.8.0_20
                      • c:\Program Files(x86)\Java\jre7

    5. If nothing is displayed or you do not see 'jre' immediately followed by a version number (like one of the examples above), then you need to set the JAVA_HOME environment variable to the installation directory for the JRE. Please follow these instructions to set your JAVA_HOME environment HOME environment to the directory where you have just installed the JRE. By default, this directory is under C:\Program Files\Java for a 32 bit Windows System. You will find it under c:\Program Files (x64) on a 64 bit Windows system.

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