[GitHub] [shenyu] aFlyBird0 opened a new issue, #4030: [BUG] the setting of `JAVA_OPTS` did not work in Docker deployment

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

aFlyBird0 opened a new issue, #4030:
URL: https://github.com/apache/shenyu/issues/4030

   ### Is there an existing issue for this?
   
   - [X] I have searched the existing issues
   
   ### Current Behavior
   
   Let's take `shenyu-admin` as an example. `shenyu-bootstrap` is same.
   
   https://github.com/apache/shenyu/blob/2065b71c871b3e94439df5c85314e9234f9f181a/shenyu-dist/shenyu-admin-dist/docker/entrypoint.sh#L25-L32
   
   It seems that `JAVA_OPTS` can be set by passing `ADMIN_JVM` env during `docker run`.
   
   But after testing, every time we will see `"Use default jvm options: ...` even if we have set the `ADMIN_JVM` env.
   **That is to say, `ADMIN_JVM` is always be empty.**
   
   ### Expected Behavior
   
   `ADMIN_JVM` could be set properly.
   
   ### Steps To Reproduce
   
   I have a simple way to test it:
   
   ### Dockerfile
   ```Dockerfile
   FROM busybox
   WORKDIR /
   
   ENV ADMIN_JVM ""
   COPY entrypoint.sh /entrypoint.sh
   ENTRYPOINT ["/bin/sh", "/entrypoint.sh"]
   ```
   
   ### entrypoint.sh
   ```shell
   if [ -z "${ADMIN_JVM}" ]; then
       JAVA_OPTS=" -server -Xmx2g -Xms2g -Xmn1g -Xss256k -XX:+DisableExplicitGC  -XX:LargePageSizeInBytes=128m"
       JAVA_OPTS="${JAVA_OPTS} -XX:+UseFastAccessorMethods  -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSInitiatingOccupancyOnly  -XX:CMSInitiatingOccupancyFraction=70"
       echo "Use default jvm options: $JAVA_OPTS"
   else
       JAVA_OPTS=${ADMIN_JVM}
       echo "Start with the environment variable JAVA_OPTS set: $JAVA_OPTS"
   fi
   ```
   
   ### build & run
   ```shell
   docker build -t test_env .
   docker run test_env --name=t1 -e ADMIN_JVM=fakeopts
   ```
   
   Then the output will be: "Use default jvm options:  -server -Xmx2g -Xms2g -Xmn1g -Xss256k... "
   
   
   ### Environment
   
   ```markdown
   ShenYu version(s): All
   ```
   
   
   ### Debug logs
   
   _No response_
   
   ### Anything else?
   
   _No response_


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[GitHub] [shenyu] aFlyBird0 closed issue #4030: [BUG] the setting of `JAVA_OPTS` did not work in Docker deployment

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

aFlyBird0 closed issue #4030: [BUG] the setting of `JAVA_OPTS` did not work in Docker deployment
URL: https://github.com/apache/shenyu/issues/4030


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