[jira] [Created] (LOG4J2-3154) Support NameAbbreviator in ExceptionResolver when using JsonTemplateLayout

["Michael Cramer (Jira)" <ji...@apache.org>]

Michael Cramer created LOG4J2-3154:
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             Summary: Support NameAbbreviator in ExceptionResolver when using JsonTemplateLayout
                 Key: LOG4J2-3154
                 URL: https://issues.apache.org/jira/browse/LOG4J2-3154
             Project: Log4j 2
          Issue Type: Improvement
          Components: Layouts
    Affects Versions: 2.14.1
            Reporter: Michael Cramer


when stack traces are written to the JSON that is later consumed by Graylog for example sometimes the processing failed because the field containing the stack trace is larger than 32k which is a limit of the in ElasticSearch ([https://github.com/Graylog2/graylog2-server/issues/873)]

I propose to add support for using the already existing NameAbbreviator to shorten stack traces. it might not completely solve all issues that the field might have content that is too large but tries to mitigate it.
{noformat}
   {
     "$resolver": "exception",
     "field": "stackTrace",
     "stackTrace": {
       "stringified": true
     }
   } {noformat}
can be smth. like
{noformat}
   {
     "$resolver": "exception",
     "field": "stackTrace",
     "stackTrace": {
       "stringified": true,
       "abbreviatePattern": "1."
     }
   } {noformat}



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