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You must install the supported version of Oracle OpenJDK Java Development Kit (JDK) before installing . The Insight Server requires the JAVA_HOME environment variable to be set to the installation directory for the Java package that you install.

Info

This page refers specifically to a JDK 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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Check to see if

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JDK is already installed

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

  1. Run a complete directory search  for the JDK

    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.

      1. If your results retrieve a folder with the name 'jdk' immediately followed by a series of version numbers (for example, jdk-11.0.2), 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 step 4 in that section 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 has not been installed. Go to the applicable installation section below for the instructions.

Install

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JDK

 To install the Oracle JDK, follow these instructions:

  1. Download the supported version of Java JDK. There are several vendors who source the supported JDK version as OpenJDK. frevvo uses this option on our Cloud; for more information about selecting an OpenJDK vendor click here. Go to the Java download page.
  2. Download the JDK version 11.0.2.
  3. When the download has finished, run the Java installer. At one point, you will be asked to choose a directory to install to. Make note of this directory 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 3, 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\jdk11.0.2
                        • C:\Progra~1\Java\jdk11.0.2_9
                        • C:\Java\jdk11.0.2_9
                        • C:\jdk11.0.2

    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 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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