[logback-dev] [JIRA] Commented: (LBCLASSIC-46) ThrowableInformation should keep the Throwable cause hierarchy intact.

Joern Huxhorn (JIRA) noreply-jira at qos.ch
Wed Oct 29 14:15:21 CET 2008

    [ http://jira.qos.ch/browse/LBCLASSIC-46?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=10844#action_10844 ] 

Joern Huxhorn commented on LBCLASSIC-46:

Oh, that was a misunderstanding. I didn't mean that the stacktrace shouldn't be reduced, I wanted to suggest to just drop the information message about the dropped frames because it wouldn't fit into a StackTraceElementProxy so it couldn't be added anymore in my example above.
Alternatively, we could add an additional

int omittedFrames

to contain info abou the number of omitted frames.

What I'd really like to have is the raw data so I can access the different field without additional processing.

> ThrowableInformation should keep the Throwable cause hierarchy intact.
> ----------------------------------------------------------------------
>                 Key: LBCLASSIC-46
>                 URL: http://jira.qos.ch/browse/LBCLASSIC-46
>             Project: logback-classic
>          Issue Type: Improvement
>          Components: Other
>    Affects Versions: unspecified
>         Environment: Operating System: All
> Platform: All
>            Reporter: Joern Huxhorn
>            Assignee: Ceki Gulcu
>            Priority: Minor
> Instead of a String representation of the whole Throwable stack trace incl. cause ThrowableInformation should instead look like this:
> public class ThrowableInformation implements Serializable
> {
>   String throwableClassName;
>   String message;
>   StackTraceElement[] stackTrace;
>   ThrowableInformation cause;
> }
> I omitted get/set and private in this example.
> StackTraceElement is perfectly Serializable and did also receive a public c'tor in Java 5 so I guess that the current ThrowableInformation is more or less a relict of log4j which had to stay compatible with older Java versions.
> You could obviously keep the getThrowableStrRep() method for compatibility.
> This bug is somewhat related to LBCLASSIC-45 because I think that ThrowableInformation should also, as LoggingEvent, be just a dumb data container with no real logic.
> The logic to extract the relevant StackTraceElements should IMHO be moved either into Logger or into a static factory method of ThrowableInformation.

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