[jira] [Resolved] (SOLR-16044) SlowRequest logging disabled if SolrCore logger set to ERROR

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

     [ https://issues.apache.org/jira/browse/SOLR-16044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jan Høydahl resolved SOLR-16044.
--------------------------------
    Fix Version/s: 9.4
       Resolution: Fixed

> SlowRequest logging disabled if SolrCore logger set to ERROR
> ------------------------------------------------------------
>
>                 Key: SOLR-16044
>                 URL: https://issues.apache.org/jira/browse/SOLR-16044
>             Project: Solr
>          Issue Type: Bug
>          Components: logging
>         Environment: Solr 8.4
>            Reporter: Jan Høydahl
>            Assignee: Jan Høydahl
>            Priority: Major
>             Fix For: 9.4
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> If someone sets ROOT logger to ERROR, then {{SolrCore}} class will also be set to ERROR, and even if {{SolrCore.SlowRequest}} level 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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