Houston Putman created SOLR-16878:
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             Summary: Include Lucene JUL logs with Solr logging
                 Key: SOLR-16878
                 URL: https://issues.apache.org/jira/browse/SOLR-16878
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
          Components: logging
            Reporter: Houston Putman


Starting with Lucene 9.1.0, Lucene now logs certain warnings and errors using 
Java Util Logging (JUL). Upgrade notes: 
https://lucene.apache.org/core/9_1_0/MIGRATE.html

For Solr's Log4J setup to include these logs, we must follow Log4J's JUL 
instructions and  set 
{{-Djava.util.logging.manager=org.apache.logging.log4j.jul.LogManager}} when 
starting Solr. We will also need to include the {{log4j-jul}} jar in lib-ext 
with the other logging jars.



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