Bug 57841 - Change logging defaults to avoid unusable feedback by default
Summary: Change logging defaults to avoid unusable feedback by default
Status: RESOLVED FIXED
Alias: None
Product: Tomcat 7
Classification: Unclassified
Component: Catalina (show other bugs)
Version: 7.0.57
Hardware: PC Linux
: P2 normal (vote)
Target Milestone: ---
Assignee: Tomcat Developers Mailing List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-04-21 12:00 UTC by krichter
Modified: 2015-04-22 20:12 UTC (History)
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Description krichter 2015-04-21 12:00:07 UTC 
Starting a deployed application can fail with the error message `SCHWERWIEGEND: Error listenerStart` which is unhelpful. Instead provide a usable feedback by default explaining the cause of a severe error. Those should be logged verbosely by default. If very experienced power user want to skip logging of severe/fatal error (even for those it's hard to imagine a cause), they can configure it. By default is should just work.
Comment 1 Christopher Schultz 2015-04-21 14:37:37 UTC 
There is usually a "Caused by" section below the "Error listenerStart" line. Is that not the case?
Comment 2 krichter 2015-04-21 19:17:08 UTC 
No, it's really only that. I found more detailed error details including an exception stack in `logs/localhost.YYYY-MM-DD.log`. That should be displayed in stdout or referenced there.
Comment 3 Mark Thomas 2015-04-22 20:12:04 UTC 
Thanks for the report.

I've been through the StandardContext.startInternal() method and improved all of the error messages. They also now use i18n.

This has been fixed in trunk (9.0.x), 8.0.x/trunk for 8.0.22 onwards and 7.0.x/trunk for 7.0.62 onwards.