java-agent-demo

编译工程

• cd java-agent-demo
• mvn package

动态加载代理方式(require jdk 6+)

启动应用程序

1. cd java-agent-test
2. 运行 java-dynamic-agent-test.bat

---

JavaAgentTestApp
HelloBean.hello() -> sleep 5 seconds
HelloBean.hello() -> sleep 5 seconds
HelloBean.hello() -> sleep 5 seconds		

##jps查询进程id

---

3300 Jps
7032 java-agent-test-0.1-jar-with-dependencies.jar
7196

##运行代理客户端

1. cd java-agent
2. 运行 java-agent-client.bat 7032

##查看应用程序日志已经加载代理并生效

---

Java Agent with Agentmain
HelloBean.hello() -> sleep 5 seconds
HelloBean.hello() -> sleep 5 seconds
The Method Used Time Is:5001ms.
HelloBean.hello() -> sleep 5 seconds
The Method Used Time Is:5000ms.

启动加载代理方式(require jdk 5+)

启动应用程序

1. cd java-agent-test
2. 运行java-agent-server.bat

---

Java Agent with Premain
JavaAgentTestApp
HelloBean.hello() -> sleep 5 seconds
The Method Used Time Is:5002ms
HelloBean.hello() -> sleep 5 seconds
The Method Used Time Is:6164ms