Marshall Schor created UIMA-3123:
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Summary: 2.4.1 release reports errors and fails where 2.4.0 was
silent
Key: UIMA-3123
URL: https://issues.apache.org/jira/browse/UIMA-3123
Project: UIMA
Issue Type: Improvement
Components: Core Java Framework
Affects Versions: 2.4.1SDK
Reporter: Marshall Schor
Priority: Minor
Fix For: 2.4.2SDK
A user tested some "Pear"s (packaged UIMA pipelines) with 2.4.1 and found they
failed to validate, whereas they were fine in 2.4.0.
Traced this to some new code in ConfigurationManager_impl, which added some
logging for configuration parameter settings, if you specified the log level to
be CONFIG.
The process of generating the information that went into the log message was
being done, even if the CONFIG level was not enabled. This information
included a printed representation of the parameter value. Because of this, the
code access the parameter settings. The old code never did this, I think.
The access, if the value was an array (multiple-values-allowed == true),
attempted to convert the setting value to an array. This failed in the PEAR
example, because the PEAR configuration had an error - the setting was unused -
so it had a value of <string/> whereas it should have had a value of <array/>.
While this could be fixed in the PEAR, from the users point of view, this may
be more or less difficult - they may just be consumers / users of PEAR files
developed by others, and not know how to fix this, or to get the original
supplier of the PEAR to do so.
We should not throw an exception in this case, but do something more reasonable
- since this occurs in the logging message, we should report this in the log
message, instead.
Furthermore, for efficiency, we should avoid doing all log message work unless
the log level would allow logging at the CONFIG level, here.
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