Bertrand Delacretaz created SLING-4921:
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             Summary: SlingMainServlet logs IOException at debug level only
                 Key: SLING-4921
                 URL: https://issues.apache.org/jira/browse/SLING-4921
             Project: Sling
          Issue Type: Bug
          Components: Engine
    Affects Versions: Engine 2.4.2
            Reporter: Bertrand Delacretaz
            Assignee: Bertrand Delacretaz
            Priority: Minor


The log level of IOException was reduced to DEBUG for SLING-3498, to avoid 
polluting the logs with client disconnect exceptions, which are hard to 
identify reliably.

The downside is that this hides legit IOException from application code, as 
debug logs are usually not enabled on production systems.

We should find a better to way to separate client disconnects from 
application-level IOException, and log the latter in the usual way.



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