What compiler problem? There is no compiler problem if a subclass of a RuntimeException is thrown. Appender’s shouldn’t be throwing checked exceptions.
Ralph > On Jan 13, 2016, at 7:48 PM, Nicholas Duane <nic...@msn.com> wrote: > > 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: garydgreg...@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.go...@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 <nic...@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 >>>> >>> >>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org >>> For additional commands, e-mail: log4j-user-h...@logging.apache.org >>> >>> >> >> >> -- >> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org >> Java Persistence with Hibernate, Second Edition >> <http://www.manning.com/bauer3/> >> JUnit in Action, Second Edition <http://www.manning.com/tahchiev/> >> Spring Batch in Action <http://www.manning.com/templier/> >> Blog: http://garygregory.wordpress.com >> Home: http://garygregory.com/ >> Tweet! http://twitter.com/GaryGregory > --------------------------------------------------------------------- To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org
