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From Nicholas Duane <nic...@msn.com>
Subject RE: Appender's append() method
Date Thu, 14 Jan 2016 02:48:54 GMT
Thanks for the info.  What about the compiler problem which appears to be due to the fact that
the append() method is not marked as throwing exceptions?

Thanks,
Nick

> Date: Wed, 13 Jan 2016 14:17:47 -0800
> Subject: Re: Appender's append() method
> From: garydgregory@gmail.com
> To: log4j-user@logging.apache.org
> 
> IMO a RuntimeException subclass is appropriate while RuntimeException
> should not be used.
> 
> Gary
> 
> On Wed, Jan 13, 2016 at 1:53 PM, Ralph Goers <ralph.goers@dslextreme.com>
> wrote:
> 
> > 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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> >
> 
> 
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