- Dependency the toolkit, such as using maven or gradle
<dependency>
<groupId>org.apache.skywalking</groupId>
<artifactId>apm-toolkit-log4j-1.x</artifactId>
<version>{project.release.version}</version>
</dependency>
log4j.appender.CONSOLE.layout=TraceIdPatternLayout
- set
%T
in layout.ConversionPattern
( In 2.0-2016, you should use %x, Why change? )
log4j.appender.CONSOLE.layout.ConversionPattern=%d [%T] %-5p %c{1}:%L - %m%n
- When you use
-javaagent
to active the sky-waking tracer, log4j will output traceId, if it existed. If the tracer is inactive, the output will be TID: N/A
.