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From Nicholas Duane <nic...@msn.com>
Subject RE: Appender's append() method
Date Thu, 14 Jan 2016 02:49:42 GMT
Also, why would we not just rethrow whatever exception we caught?

Thanks,
Nick

> Subject: Re: Appender's append() method
> From: ralph.goers@dslextreme.com
> Date: Wed, 13 Jan 2016 17:28:11 -0700
> To: log4j-user@logging.apache.org
> 
> Sorry, that was what I meant.
> 
> Ralph
> 
> > On Jan 13, 2016, at 3:17 PM, Gary Gregory <garydgregory@gmail.com> wrote:
> > 
> > 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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> >> 
> > 
> > 
> > -- 
> > E-Mail: garydgregory@gmail.com | ggregory@apache.org
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> 
> 
> 
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