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https://issues.apache.org/jira/browse/HDDS-4814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marton Elek resolved HDDS-4814.
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Fix Version/s: 1.2.0
Resolution: Fixed
> Ozone couldn't be started with Java 15
> --------------------------------------
>
> Key: HDDS-4814
> URL: https://issues.apache.org/jira/browse/HDDS-4814
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Marton Elek
> Assignee: Janus Chow
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.2.0
>
>
> The magic -- which tries to provide sensible GC defaults -- fails on Java 15:
> {code}
> No '-XX:...' jvm parameters are set. Adding safer GC settings
> '-XX:ParallelGCThreads=8 -XX:+UseConcMarkSweepGC
> -XX:CMSInitiatingOccupancyFraction=70 -XX:+CMSParallelRemarkEnabled' to the
> OZONE_OPTS
> WARNING: /opt/ozone/logs does not exist. Creating.
> Unrecognized VM option 'UseConcMarkSweepGC'
> {code}
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