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From Mikael Ståldal <mikael.stal...@magine.com>
Subject Re: Appender's append() method
Date Thu, 14 Jan 2016 09:04:39 GMT
I guess that AppenderLoggingException can be used for that purpose.

On Wed, Jan 13, 2016 at 10:53 PM, Ralph Goers <ralph.goers@dslextreme.com>

> Your appender is automatically wrapped by an AppenderControl object. The
> AppenderControl will inspect the ignoreExceptions flag so your Appender
> does not have to.  Your Appender should just throw a RuntimeException if it
> encounters a problem.
> Ralph
> > On Jan 13, 2016, at 2:38 PM, Nicholas Duane <nickdu@msn.com> wrote:
> >
> > I'm new to java so maybe this should be an obvious question to most java
> developers.  If I'm trying to override the append() method but also throw
> exceptions, how is that done?
> >
> > I'm asking because I assume my append method's outermost catch block is
> to inspect the ignoreExceptions flag and either bubble up the exception if
> ignoreExceptions is false or eat the exception otherwise, most likely just
> logging an event.  Is that true?  If so, then how do I accomplish that?  I
> tried coding it as I mentioned above (actually someone else did it for me),
> but the compiler I guess was complaining about the throw needing to be in a
> catch block, I assume because the append() method is not defined to throw
> exceptions.
> >
> > In addition, looking at what I think was source for one of your
> appenders at:
> >
> >
> https://git-wip-us.apache.org/repos/asf?p=logging-log4j2.git;a=blob;f=log4j-core/src/main/java/org/apache/logging/log4j/core/appender/AbstractOutputStreamAppender.java;h=9a4cfde83194c866c30c4687e9f4ebb19cb20a17;hb=75d33d96ac00356014cf11f8ad9e8c6ead4db37a
> >
> > Why does it always throw an exception in the catch block instead of
> checking the state of the ignoreExceptions flag?
> >
> > Thanks,
> > Nick
> >
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*Mikael Ståldal*
Senior software developer

*Magine TV*
Grev Turegatan 3  | 114 46 Stockholm, Sweden  |   www.magine.com

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