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  1. Confluence Data Center
  2. CONFSERVER-35596

From Confluence 5.6 onwards it is not possible to override JVM settings via environment variables

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      But this was perfectly possible before. Of course you still can modify the distributed setenv.sh file but that is definitely not very nice and does not make deploying a new version any easier.

      In 5.5 and previous, setenv.sh reads

      JAVA_OPTS="-Xms256m -Xmx512m -XX:MaxPermSize=256m $JAVA_OPTS -Djava.awt.headless=true "
export JAVA_OPTS

      So this allows to override any default settings by supplying a previous JAVA_OPTS, no changes to the script required.

      However now in 5.6

      # Set the JVM arguments used to start Confluence. For a description of the options, see
# http://www.oracle.com/technetwork/java/javase/tech/vmoptions-jsp-140102.html
CATALINA_OPTS="$CATALINA_OPTS -Xms1024m -Xmx1024m -XX:MaxPermSize=256m -XX:+UseG1GC"
CATALINA_OPTS="$CATALINA_OPTS -Djava.awt.headless=true"
CATALINA_OPTS="$CATALINA_OPTS -Xloggc:$LOGBASEABS/logs/gc-`date +%F_%T`.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=5 -XX:GCLogFileSize=2M"
CATALINA_OPTS="$CATALINA_OPTS -XX:-PrintGCDetails -XX:+PrintGCTimeStamps -XX:-PrintTenuringDistribution"
export CATALINA_OPTS

      It is impossible to override any default settings already specified, as anything one could set in CATALINA_OPTS is followed by the default options. Not good.

      Please do move the default CATALINA_OPTS to the end, so they can effectively override default values.

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          relates to

          Suggestion - CONFSERVER-13294 Remember previous version's JVM parameters and other Confluence settings so that an admin does not need to reapply the settings again in the upgraded version

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              drizzuto David Rizzuto
              17258ffad35a Daniel Varela Santoalla
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