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Application-toolkit-trace.md

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  • Dependency the toolkit, such as using maven or gradle
   <dependency>
      <groupId>org.apache.skywalking</groupId>
      <artifactId>apm-toolkit-trace</artifactId>
      <version>${skywalking.version}</version>
   </dependency>
  • Use TraceContext.traceId() API to obtain traceId.
import TraceContext;
...

modelAndView.addObject("traceId", TraceContext.traceId());

Sample codes only

  • Add @Trace to any method you want to trace. After that, you can see the span in the Stack.

  • Add custom tag in the context of traced method .

  • ActiveSpan.error() Mark the current span as error status.

  • ActiveSpan.error(String errorMsg) Mark the current span as error status with a message.

  • ActiveSpan.error(Throwable throwable) Mark the current span as error status with a Throwable.

  • ActiveSpan.debug(String debugMsg) Add a debug level log message in the current span.

  • ActiveSpan.info(String infoMsg) Add an info level log message in the current span.

ActiveSpan.tag("my_tag", "my_value");
ActiveSpan.error();
ActiveSpan.error("Test-Error-Reason");

ActiveSpan.error(new RuntimeException("Test-Error-Throwable"));
ActiveSpan.info("Test-Info-Msg");
ActiveSpan.debug("Test-debug-Msg");