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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