On 2019/05/22 17:47:56, Ralph Goers <ralph.go...@dslextreme.com> wrote:
> PatternLayout isn’t really designed to use an alternate implementation of
> PatternParser. Why do you need one? A custom Layout wouldn’t normally use a
> PatternParser, only PatternLayout and you shouldn’t need to modify that
> either.
>
> Just create a new PatternConverter that does what you need it to do.
>
> Ralph
>
> > On May 22, 2019, at 4:18 AM, Gaurav <gaurav9...@gmail.com> wrote:
> >
> >
> >
> > On 2019/05/16 14:59:56, Matt Sicker <boa...@gmail.com> wrote:
> >> Instead of extending the plugin classes, you can create your own
> >> plugins. PatternConverters are relatively trivial plugins, so I
> >> wouldn't worry too much about code duplication.
> >>
> >> I could be missing a feature, though.
> >>
> >> On Thu, 16 May 2019 at 09:32, Gaurav <gaurav9...@gmail.com> wrote:
> >>>
> >>> Hi,
> >>>
> >>> I want to hide the message in the throwable.
> >>>
> >>> What I've tried -
> >>> 1. Create a custom layout by extending AbstractStringLayout.
> >>> 2. Create a pattern parser.
> >>> 3. Create a pattern converter by extending ThrowablePatternConverter.
> >>>
> >>> Is there a simpler way to do this?
> >>>
> >>> In log4j1.2, it was simple to just extend the classes, but the classes in
> >>> log4j2 are final.
> >>>
> >>> Please assist.
> >>
> >>
> >>
> >> --
> >> Matt Sicker <boa...@gmail.com>
> >> Hi,
> > I've created -
> > 1.A custom pattern converter plugin extending LogEventPatternConverter
> > 2.A custom layout plugin extending AbstractStringLayout.
> > 3.A custom pattern parser similar to "PatternParser" class in log4j2.
> >
> > But, as, I am dealing with throwables and cannot modify log4j2 jar, I need
> > to plug the custom pattern converter instance in my parser class.
> >
> > if (alwaysWriteExceptions && !handlesThrowable) {
> > final LogEventPatternConverter pc =
> > TestPatternConverter.newInstance();
> > list.add(new PatternFormatter(pc, FormattingInfo.getDefault()));
> > }
> >
> > But, at the startup, it is throwing the following exception -
> >
> > Caused by: java.lang.ClassCastException: com.test.TestPatternParser cannot
> > be cast to org.apache.logging.log4j.core.pattern.PatternParser
> > at
> > org.apache.logging.log4j.core.layout.PatternLayout.createPatternParser(PatternLayout.java:244)
> > at
> > org.apache.logging.log4j.core.layout.PatternLayout$SerializerBuilder.build(PatternLayout.java:375)
> > ... 32 more
> >
> > Please assist.
> >
>
>
> yes.
@Plugin(name = "ThrowablePatternConverter", category = "TestConverter")
@ConverterKeys({"ex", "throwable", "exception", "xEx", "xThrowable",
"xException", "rEx", "rThrowable","rException"})
