[jira] [Created] (SOLR-16044) SlowRequest logging disabled if ROOT logger changed to ERROR

["Jan Høydahl (Jira)" <ji...@apache.org>]

Jan Høydahl created SOLR-16044:
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             Summary: SlowRequest logging disabled if ROOT logger changed to ERROR
                 Key: SOLR-16044
                 URL: https://issues.apache.org/jira/browse/SOLR-16044
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: logging
         Environment: Solr 8.4
            Reporter: Jan Høydahl


If someone sets ROOT logger to ERROR, then even if SlowRequest logging is set to INFO, no logs will be written to {{{}solr_slow_requests.log{}}}.

Some debugging revealed that changing log level of {{SolrCore}} to WARN fixes it. This suggests that since {{SlowRequest}} is not a real class but just a logger name, it is still subject to the log level of {{SolrCore}}.

I suppose that the same will be true for {{SolrCore.Request}} logging.

One solution could be to create a real class for SlowRequest logging. Another solution could be to explicitly set {{SolrCore}} level in {{log4j2.xml}} so that it does not follow the ROOT level.



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