What is the tomcat catalina_base variable used for?



  • Environment Variable: CATALINA_BASE
    Settings: optional

    From Apache Tomcat documentation:
    https://tomcat.apache.org/tomcat-9.0-doc/RUNNING.txt

    The CATALINA_BASE environment variable specifies location of the root
    directory of the "active configuration" of Tomcat. It is optional. It
    defaults to be equal to CATALINA_HOME.

    Using distinct values for the CATALINA_HOME and CATALINA_BASE variables is
    recommended to simplify further upgrades and maintenance. It is documented
    in the "Multiple Tomcat Instances".



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