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From Kamal Mettananda <lka...@gmail.com>
Subject Re: Header does not end with a new line in Console appender
Date Wed, 23 Mar 2016 09:20:00 GMT
Thanks Mike, indeed. Sorry, I did not come across this ticket, may be I
should have searched more within Jira before posting. Thanks for the quick
reply.



On Wed, Mar 23, 2016 at 1:33 AM Mike Calmus <mike@calmus.org.invalid> wrote:

> This is included as an improvement in Log4j2 2.6:
>
> https://issues.apache.org/jira/browse/LOG4J2-1237
>
>
> > On Mar 22, 2016, at 2:30 PM, Kamal Mettananda <lkamal@gmail.com> wrote:
> >
> > Hi all
> >
> > This is my first email, so please raise if I have not correctly
> understood
> > the usage of the header attribute.
> >
> > When I add a text to the header attribute of PatternLayout inside Console
> > appender, the header will not end with a new line hence the first log
> line
> > will also be using the same line as the header line; but this is not the
> > case for footer attribute.
> >
> > Example output:
> > My Header in Log2016-03-22 23:23:48,487 [main] INFO
> > org.logging.learn.log4j.Main - some log1
> > 2016-03-22 23:23:48,487 [main] INFO  org.logging.learn.log4j.Main - some
> > log2
> > Footer
> >
> > Below is the sample of my log4j2.xml
> >
> > <Configuration status="WARN">
> >  <Appenders>
> >    <Console name="Console" target="SYSTEM_OUT">
> >      <PatternLayout pattern="%d [%t] %-5level %logger - %msg%n"
> header="My
> > Header in Log" footer="Footer"/>
> >    </Console>
> >  </Appenders>
> >  <Loggers>
> >    <Root level="info">
> >      <AppenderRef ref="Console"/>
> >    </Root>
> >  </Loggers>
> > </Configuration>
> >
> > May be there is a way to enable a new line via for the header?
> >
> > When I looked at the
> > code, org.apache.logging.log4j.core.appender.OutputStreamManager actually
> > does not append a new line after the header; may be a simple fix can be
> > made there? (Not exactly sure whether I was looking at the correct
> > location, please point out if I am incorrect).
> >
> >        if (writeHeader && layout != null) {
> >            final byte[] header = layout.getHeader();
> >            if (header != null) {
> >                try {
> >                    this.os.write(header, 0, header.length);
> >                } catch (final IOException e) {
> >                    logError("unable to write header", e);
> >                }
> >            }
> >        }
> >
> > Thanks
>
>

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