78 lines
3.9 KiB
Markdown
78 lines
3.9 KiB
Markdown
# Setup java agent
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1. Find `agent` folder in SkyWalking release package
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2. Add `-javaagent:/path/to/skywalking-package/agent/skywalking-agent.jar` to JVM argument. And make sure to add it before the `-jar` argument.
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New agent package looks like this：
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```
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+-- skywalking-agent
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+-- activations
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apm-toolkit-log4j-1.x-activation.jar
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apm-toolkit-log4j-2.x-activation.jar
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apm-toolkit-logback-1.x-activation.jar
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...
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+-- config
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agent.config
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+-- plugins
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apm-dubbo-plugin.jar
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apm-feign-default-http-9.x.jar
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apm-httpClient-4.x-plugin.jar
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.....
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skywalking-agent.jar
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```
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- Start your application.
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## Advanced features
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- All plugins are in `/plugins` folder. The plugin jar is active when it is in there. Remove the plugin jar, it disabled.
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- The default logging output folder is `/logs`.
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## Install javaagent FAQs
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- Linux Tomcat 7, Tomcat 8
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Change the first line of `tomcat/bin/catalina.sh`.
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```shell
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CATALINA_OPTS="$CATALINA_OPTS -javaagent:/path/to/skywalking-agent/skywalking-agent.jar"; export CATALINA_OPTS
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```
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- Windows Tomcat 7, Tomcat 8
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Change the first line of `tomcat/bin/catalina.bat`.
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```shell
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set "CATALINA_OPTS=-javaagent:/path/to/skywalking-agent/skywalking-agent.jar"
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```
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- JAR file
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Add `-javaagent` argument to command line in which you start your app. eg:
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```shell
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java -javaagent:/path/to/skywalking-agent/skywalking-agent.jar -jar yourApp.jar
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```
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## Supported middlewares, frameworks and libraries
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See [supported list](Supported-list.md).
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## Plugins
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Java agent plugins are all pluggable. Optional plugins could be provided by source codes or in `optional-plugins` folder under agent.
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For using these plugins, you need to compile source codes by yourself, or copy the certain plugins to `/plugins`.
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Now, we have the following known plugins.
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* [Trace Spring beans](agent-optional-plugins/Spring-bean-plugins.md)
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* [Trace Oracle and Resin](agent-optional-plugins/Oracle-Resin-plugins.md)
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* [Filter traces through custom services](agent-optional-plugins/trace-ignore-plugin.md)
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## Advanced Features
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* Set the settings through system properties for config file override. Read [setting override](Setting-override.md).
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* Use gRPC TLS to link backend. See [open TLS](TLS.md)
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* Monitor a big cluster by different SkyWalking services. Use [Namespace](Namespace.md) to isolate the context propagation.
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* Set client [token](Token-auth.md) if backend open [token authentication](../../backend/backend-token-auth.md).
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* Application Toolkit, are a collection of libraries, provided by skywalking APM. Using them, you have a bridge between your application and skywalking APM agent.
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* If you want to use OpenTracing Java APIs, try [SkyWalking OpenTracing compatible tracer](Opentracing.md). More details you could find at http://opentracing.io
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* If you want to print trace context(e.g. traceId) in your logs, choose the log frameworks, [log4j](Application-toolkit-log4j-1.x.md),
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[log4j2](Application-toolkit-log4j-2.x.md), [logback](Application-toolkit-logback-1.x.md)
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* If you want to use annotations or SkyWalking native APIs to read context, try [SkyWalking manual APIs](Application-toolkit-trace.md)
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* If you want to continue traces across thread manually, use [across thread solution APIs](Application-toolkit-trace-cross-thread.md).
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* If you want to specify the path of your agent.config file. Read [set config file through system properties](Specified-agent-config.md)
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## Plugin Development Guide
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SkyWalking java agent supports plugin to extend [the supported list](Supported-list.md). Please follow
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our [Plugin Development Guide](../../../guides/Java-Plugin-Development-Guide.md).
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# Test
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If you are interested in plugin compatible tests or agent performance, see the following reports.
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* [Plugin Test](https://github.com/SkywalkingTest/agent-integration-test-report)
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* [Java Agent Performance Test](https://skywalkingtest.github.io/Agent-Benchmarks/) |