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Additional Requirements

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      Depending on your local configuration, some components of Couchbase Server may have additional system requirements.

      Java Runtime Environment (JRE) — Analytics Service Only

      The Analytics service requires a Java Runtime Environment to be installed. The Oracle JRE version 8 is installed by default when you install Couchbase Server — you do not need to install any additional prerequisites to use the Analytics service. Starting with version 6.0.1, Oracle Java JRE version 8 has been replaced by OpenJDK version 11. However, if necessary, you can specify an alternative JRE for the Analytics service when you initialize a cluster. If you plan to use an alternative JRE for the Analytics service, note that the following versions are supported.

      Table 1. Supported Java Runtime Environments
      Implementation Version

      Oracle JRE

      Version 11

      Version 8, Update 181 or later

      OpenJDK

      Version 11

      Version 8