David Smiley created SOLR-17485:
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Summary: Remove Slf4j ClassNotFoundException avoidance checks
Key: SOLR-17485
URL: https://issues.apache.org/jira/browse/SOLR-17485
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: David Smiley
If a user removes logging libs from lib/ext, they are on their own, more or
less. CheckLoggingConfiguration (SOLR-5951) tries to detect an early
ClassNotFoundException and prints a more helpful error. IMO we're doing too
much; a CNFE is clear enough, and furthermore Slf4j will print an explicit
ERROR as well right before (what happens if we remove it; I tried). I suspect
it came out when Solr still supported a WAR or maybe was less clear what the
error was back then. And I suspect it hasn't worked since we added a
ServletContextListener for CoreContainerProvider. While it could be remedied,
I'd rather remove the old code.
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