That would make it easier but you would still have to add something in the maven build to create the file. So I am not really sure it matters how easy or hard it is. We should just supply whatever it is as a Maven plugin.
Ralph > On May 11, 2016, at 11:38 AM, Matt Sicker <boa...@gmail.com> wrote: > > It might be nice to make an updated plugin cache format that can be cat'd > together instead of deserializing and serializing again. > > On 11 May 2016 at 06:08, Ralph Goers <ralph.go...@dslextreme.com> wrote: > >> Oops. I think I misread your comment. You want to use the Transformer as >> part of the maven build, not at runtime. >> >> Ralph >> >>> On May 11, 2016, at 3:48 AM, Julian Keppel <juliankeppel1...@gmail.com> >> wrote: >>> >>> Thanks. >>> >>> So this seems to be a general problem with log4j and the provided >> plugins? >>> But what is the right way to use log4j plugins with a maven project which >>> should be shipped as a complete package (JAR)? I mean, everytime you need >>> to use a log4j plugin, you also have at least the log4j core dependency >> in >>> you classpath. Do I really need to use a Transformer or something like >> that? >>> >>> 2016-05-05 2:00 GMT+02:00 Ralph Goers <ralph.go...@dslextreme.com>: >>> >>>> You are most likely having this problem because when you create your >> uber >>>> jar you can only include one of the Log4j2Plugins.dat files. Both the >>>> log4j2-core jar and the log4j2-flume jar are going to have one. This >> has >>>> been discussed in https://issues.apache.org/jira/browse/LOG4J2-1059 < >>>> https://issues.apache.org/jira/browse/LOG4J2-1059> (which probably can >> be >>>> closed), https://issues.apache.org/jira/browse/LOG4J2-369 < >>>> https://issues.apache.org/jira/browse/LOG4J2-369>, and >>>> https://issues.apache.org/jira/browse/LOG4J2-673 < >>>> https://issues.apache.org/jira/browse/LOG4J2-673>. This last one has a >>>> solution in the middle of the discussion by way of a Transformer that >> can >>>> be used in the maven shade plugin. However, you are using the assembly >>>> plugin, so I am not really sure how you can do it that way. >>>> >>>> Ralph >>>> >>>> >>>> >>>> >>>>>> On May 4, 2016, at 12:43 PM, Julian Keppel < >> juliankeppel1...@gmail.com> >>>>> wrote: >>>>> >>>>> Hi everyone, >>>>> >>>>> I tested the flume appender for log4j2. My configuration XML looks like >>>>> this: >>>>> >>>>> <Configuration status="ERROR" name="some_name"> >>>>> >>>>> ... >>>>> >>>>> <Appenders> >>>>> >>>>> ... >>>>> >>>>> <Flume name="FLUME" compress="true"> >>>>> <Agent host="${FLUME_HOST}" port="${FLUME_PORT}"/> >>>>> <PatternLayout pattern="${LOG_PATTERN}"/> >>>>> <ThresholdFilter level="INFO" onMatch="ACCEPT" >> onMismatch="DENY"/> >>>>> </Flume> >>>>> </Appenders> >>>>> >>>>> <Loggers> >>>>> <Root level="DEBUG"> >>>>> <AppenderRef ref="FLUME"/> >>>>> ... >>>>> </Root> >>>>> </Loggers> >>>>> </Configuration> >>>>> >>>>> And I build my application with maven assembly plugin to get an uber >> jar >>>>> which contains all dependencies (I want to ship a single jar file to >> all >>>>> the destination runtime environments). >>>>> >>>>> When I start the application I get the following error: >>>>> ERROR Error processing element Flume ([Appenders: null]): >> CLASS_NOT_FOUND >>>>> >>>>> So it looks like there is some dependency missing. But in the official >>>> doc >>>>> I read that for remote mode of the flume appender I only need the >>>> following >>>>> dependency (including the necessary log4j dependencies): >>>>> >>>>> <dependencies> >>>>> >>>>> ... >>>>> >>>>> <dependency> >>>>> <groupId>org.apache.logging.log4j</groupId> >>>>> <artifactId>log4j-core</artifactId> >>>>> <version>2.5</version> >>>>> </dependency> >>>>> <dependency> >>>>> <groupId>org.apache.logging.log4j</groupId> >>>>> <artifactId>log4j-api</artifactId> >>>>> <version>2.5</version> >>>>> </dependency> >>>>> <dependency> >>>>> <groupId>org.apache.logging.log4j</groupId> >>>>> <artifactId>*log4j-flume-ng*</artifactId> >>>>> <version>2.5</version> >>>>> </dependency> >>>>> </dependencies> >>>>> >>>>> Another hint: When I start the application from eclipse, it seems to >> work >>>>> totally fine (at least I don't get the error from above). >>>>> >>>>> So what I am doing wrong here? Has anyone some advice for me? Thanks in >>>>> advance. >>>>> >>>>> Julian >>>> >>>> >> >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org >> For additional commands, e-mail: log4j-user-h...@logging.apache.org >> >> > > > -- > Matt Sicker <boa...@gmail.com> --------------------------------------------------------------------- To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org
