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We recommend installing the latest version of JDK (Java Development Kit), because JDK has a number of useful diagnostics tools that JVM lacks.

Today, the following JDK versions are tested and recommended to use: 8, 12, 14. WSC can be unstable with another JDK versions.

JDK installation from repository


To install JDK manually, download the installation package or archive from The recommended version is JDK 1.8 update 161 or higher.

By the moment these docs are being written, the installation packages were available for various Linuc distribution packages at this link: Java SE Development Kit 8 Downloads