equanz commented on PR #229:
URL: 
https://github.com/apache/pulsar-client-node/pull/229#issuecomment-1235257092

   In `apachepulsar/pulsar-build:ubuntu-16.04` image, use 
`-Xlog:gc*:logs/pulsar_gc_%p.log:time,uptime:filecount=10,filesize=20M` option 
for runtime.
   https://github.com/apache/pulsar/blob/v2.10.1/conf/pulsar_env.sh#L50-L58
   
   However, pulsar command uses 
`JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64` in runtime.
   
https://hub.docker.com/layers/apachepulsar/pulsar-build/ubuntu-16.04/images/sha256-57174595e685002c0e4ce768361af8c10fcf30310f466966c3f8663a8638e4b7?context=explore
   
   ```
   Unrecognized option: 
-Xlog:gc*:logs/pulsar_gc_%p.log:time,uptime:filecount=10,filesize=20M
   Error: Could not create the Java Virtual Machine.
   Error: A fatal exception has occurred. Program will exit.
   ```
   (The script file was fixed in https://github.com/apache/pulsar/pull/14711 .)
   
   I updated the docker image tag to `ubuntu-20.04` to avoid this issue.
   `JAVA_HOME` was not set in `ubuntu-20.04` image.
   
https://hub.docker.com/layers/apachepulsar/pulsar-build/ubuntu-20.04/images/sha256-5f50d029fa6ba5a1d410faf7d4d0539200246572a1459cb6e3cc32219300f591?context=explore
   
   
   
   Also, I modified test scripts to fix the below issue.
   ```
   fatal: unsafe repository ('/pulsar-client-node' is owned by someone else)
   To add an exception for this directory, call:
   
        git config --global --add safe.directory /pulsar-client-node
   ```


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