[GitHub] mikewalch edited a comment on issue #746: Make use of JAVA_TOOL_OPTIONS in accumulo-env.sh

[GitBox <gi...@apache.org>]

mikewalch edited a comment on issue #746: Make use of JAVA_TOOL_OPTIONS in accumulo-env.sh
URL: https://github.com/apache/accumulo/issues/746#issuecomment-436386466
 
 
   Setting `JAVA_TOOL_OPTIONS` causes a debug message that looks like it cannot be suppressed.
   ```bash
   $ accumulo version
   Picked up JAVA_TOOL_OPTIONS:  -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+CMSClassUnloadingEnabled
   2.0.0-SNAPSHOT
   ```
   Another way to show this:
   ```bash
   $ JAVA_TOOL_OPTIONS="-XX:+UseConcMarkSweepGC" java -version
   Picked up JAVA_TOOL_OPTIONS: -XX:+UseConcMarkSweepGC
   openjdk version "1.8.0_181"
   OpenJDK Runtime Environment (build 1.8.0_181-8u181-b13-1ubuntu0.16.04.1-b13)
   OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode)
   ```
   
   I am not a fan of this message. However, it looks like it can easily be suppressed.
   
   https://stackoverflow.com/questions/11683715/suppressing-the-picked-up-java-options-message
   

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