Download skywalking agent release version

• Go to release page

Install skywalking javaagent

1. Copy the agent package to anywhere you like. The logs, plugins and config are all included in the package.
2. Add -javaagent:/path/to/skywalking-agent/skywalking-agent.jar to VM argument.

New agent package looks like this：

+-- skywalking-agent
    +-- activations
         apm-toolkit-log4j-1.x-activation.jar
         apm-toolkit-log4j-2.x-activation.jar
         apm-toolkit-logback-1.x-activation.jar
         ...
    +-- config
         agent.config  
    +-- plugins
         apm-dubbo-plugin.jar
         apm-feign-default-http-9.x.jar
         apm-httpClient-4.x-plugin.jar
         .....
    skywalking-agent.jar

• Start your application.

Advanced features

• All plugins are in /plugins folder. The plugin jar is active when it is in there. Remove the plugin jar, it disabled.
• The default logging output folder is /logs.

Install javaagent FAQs

• Linux Tomcat 7, Tomcat 8
  Change the first line of tomcat/bin/catalina.sh.

CATALINA_OPTS="$CATALINA_OPTS -javaagent:/path/to/skywalking-agent/skywalking-agent.jar"; export CATALINA_OPTS

• Windows Tomcat 7, Tomcat 8
  Change the first line of tomcat/bin/catalina.bat.

set "CATALINA_OPTS=-javaagent:/path/to/skywalking-agent/skywalking-agent.jar"

• JAR file
  Add -javaagent argument to command line in which you start your app. And make sure to add it before the -jar argument. eg:

java -javaagent:/path/to/skywalking-agent/skywalking-agent.jar -jar yourApp.jar