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Posted to log4j-dev@logging.apache.org by "Matt Sicker (JIRA)" <ji...@apache.org> on 2017/03/08 03:56:38 UTC
[jira] [Assigned] (LOG4J2-1838) Add support for appending common
suffix to each line of throwable stack trace
[ https://issues.apache.org/jira/browse/LOG4J2-1838?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matt Sicker reassigned LOG4J2-1838:
-----------------------------------
Assignee: Matt Sicker
> Add support for appending common suffix to each line of throwable stack trace
> -----------------------------------------------------------------------------
>
> Key: LOG4J2-1838
> URL: https://issues.apache.org/jira/browse/LOG4J2-1838
> Project: Log4j 2
> Issue Type: New Feature
> Components: Pattern Converters
> Affects Versions: 2.8.1
> Reporter: Zilong Song
> Assignee: Matt Sicker
> Labels: features
> Fix For: 2.8.2
>
>
> Add support for appending common suffix to each line of throwable stack trace. The suffix can be configured by patterns just like patterns used elsewhere.
> For example, pattern {{%xEx{suffix(- %mdc{key})}}} will append a string generated by pattern {{- }} and {{%mdc{key}}}.
> But patterns that handles throwable will be automatically ignored, because they will make the rendered result confusing. So pattern {{%xEx{suffix(- %rEx%mdc{key})}}} has the same effect with {{%xEx{suffix(- %mdc{key})}}}, as if the nested {{%rEx}} pattern has never appeared.
> Following is an example of the with such suffix:
> {code:title=stack trace, with pattern "%xEx{suffix(- %mdc{key})}" and MDC(key)="test mdc suffix"|borderStyle=solid}
> java.lang.IllegalArgumentException: IllegalArgument - test mdc suffix
> at org.apache.logging.log4j.core.pattern.ExtendedThrowablePatternConverterTest.testSuffixFromNormalPattern(ExtendedThrowablePatternConverterTest.java:48) [test-classes/:?] - test mdc suffix
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_91] - test mdc suffix
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_91] - test mdc suffix
> at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_91] - test mdc suffix
> at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147) [idea_rt.jar:?] - test mdc suffix
> Caused by: java.lang.NullPointerException: null pointer - test mdc suffix
> at org.apache.logging.log4j.core.pattern.ExtendedThrowablePatternConverterTest.testSuffixFromNormalPattern(ExtendedThrowablePatternConverterTest.java:47) ~[test-classes/:?] - test mdc suffix
> ... 27 more - test mdc suffix
> }}
> {code}
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