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https://issues.apache.org/jira/browse/UIMA-5117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15514328#comment-15514328
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Burn Lewis commented on UIMA-5117:
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Since this is a serious error shouldn't we log at SEVERE rather than INFO?
Also no need to catch the 3 specific exceptions since we log the same message
... just Exception would be enough.
But in the case that triggered this investigation the log level didn't matter
as even the stack trace was not printed, apparently because saxon calls
System.exit() on some errors. It also prints a cryptic error message
"net.sf.saxon.event.MessageEmitter is not a Receiver" that for some reason is
not always captured. The real problem is that UIMA-AS uses a classloader to
load the Transform class from saxon8.jar but if that jar is also in the users's
classpath there will be an incompatibility between classes loaded from each jar
making it appear that the MessageEmiiter class does not implement the Receiver
interface. We should omit the special classloader if saxon8 is already in the
classpath.
> UIMA-AS: dd2spring should log at INFO
> -------------------------------------
>
> Key: UIMA-5117
> URL: https://issues.apache.org/jira/browse/UIMA-5117
> Project: UIMA
> Issue Type: Bug
> Components: Async Scaleout
> Reporter: Jerry Cwiklik
> Assignee: Jerry Cwiklik
> Fix For: 2.9.0AS
>
>
> Dd2Spring.convertDd2Spring() method should log exceptions at INFO level
> instead of CONFIG. When runtime was mis-configured, the code was failing yet
> there were no exceptions being logged, making debugging difficult.
> Also, when exception happens in converDd2Spring() it is not being re-thrown.
> This causes the uima-as to continue running and trying to deploy using
> zero-length spring context file which results in another Exception. Modify
> code to re-throw Exception.
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