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Graphlytic requires Java to be installed. For required version see Requirements. If you have installed required version you can skip installation of Java.

You can test whether you have the correct Java platform by running from command line:

$ java -version
openjdk version "11.0.7" 2020-04-14 LTS
OpenJDK Runtime Environment Zulu11.39+15-CA (build 11.0.7+10-LTS)
OpenJDK 64-Bit Server VM Zulu11.39+15-CA (build 11.0.7+10-LTS, mixed mode)

Install Java

Download OpenJDK 11 for your operating system from download page.

Execute downloaded installer of JDK, follow wizard and finish installation.

You can use any OpenJDK 11 build, e.g. AdoptJDK, Zulu OpenJDK or also the Oracle JDK 11.

Confirm that Java Works

Once the steps above have been done, it should be possible to check the java version and see output similar to this:

$ java -version
openjdk version "11.0.7" 2020-04-14 LTS
OpenJDK Runtime Environment Zulu11.39+15-CA (build 11.0.7+10-LTS)
OpenJDK 64-Bit Server VM Zulu11.39+15-CA (build 11.0.7+10-LTS, mixed mode)