Windows客户端的JProfiler远程监控Linux上的Tomcat

1.测试环境 

服务器:ubuntu8.04(内核版本 2.6.24-16),Tomcat6.0.16,Sun JDK 1.6,JProfiler 5.1.2for linux(安装包:jprofiler_linux_5.1.2.sh) 
客户端:Windows XP,JProfiler5.1.2 for windows(安装包:jprofiler_windows_5_1_2.exe) 

2.JProfiler软件下载地址 http://www.ej-technologies.com/ 

3.客户端 JProfiler 安装 略 

4.服务器端 JProfiler 安装: 
把 jprofiler_linux_5.1.2.sh 上传到到服务器,假设路径为 /opt/jprofiler 

# cd /opt/jprofiler 
# chmod +x *.sh 
# ./jprofiler_linux_5.1.2.sh -c 
按照提示来安装,提示都很简单,不在多说。安装路径选择 /opt/jprofiler5 

注意,这里的 -c 意思是用字符方式来安装,如果机器上没有 X 则加上该参数. 

5.客户端连接配置 
1). 运行 JProfiler 。第一次打开会有向导,忽略它。 
2). 选择 Session->Integration Wizard->New Remote Integratation 
3). 选择 On a remote computer;Platform of remote computer 选择 Linux x86/AMD 64;Next 
4). 输入服务器 IP ;Next 
5). 输入服务器上的 jprofiler 的安装路径,如 /opt/jprofiler5 ;next 
6). 选择服务器的 JDK 环境,这里是:Sun,1.6.0,hotspot;next 
7). 输入端口:这里是默认值 8849;next 
8). 选择启动模式:这里选第一种 wait for a connection from the jprofiler GUI;next 
9). 这里会列出需要在服务器端做的配置(这些信息很重要,能否配置成功均在于此): 
Integration type: [Generic application] 
Selected JVM: Sun 1.6.0 (hotspot) 
Startup mode: Wait for JProfiler GUI 

(1) Please insert 
-agentlib:jprofilerti=port=8849 -Xbootclasspath/a:/opt/jprofiler5/bin/agent.jar 

into the start command of your remote application right after the java command. 

(2) Please add 
/opt/jprofiler5/bin/linux-x86 

to the environment variable LD_LIBRARY_PATH. 

A remote session named Remote application on 192.168.1.210 will be created that connects to a running instance of the remote application that is started with the modified start command. 

6.服务器端的配置(1)修改系统环境配置文件 /etc/profile ,增加 
JPROFILER_HOME=/opt/jprofiler5/bin/linux-x86 
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$JPROFILER_HOME 


(2)修改TOMCAT启动文件catalina.sh,添加-agentlib:jprofilerti=port=8849 -Xbootclasspath/a:/opt/jprofiler5/bin/agent.jar 内容到CATALINA_OPTS中; 
“-agentlib:jprofilerti=port=8849 -Xbootclasspath/a:/opt/jprofiler4/bin/agent.jar ” 此内容由客户端软件生成 
CATALINA_OPTS="$JPDA_OPTS -agentlib:jprofilerti=port=8849 -Xbootclasspath/a:/opt/jprofiler4/bin/agent.jar" 

7.Reboot Linux and startup Tomcat using startup.sh; 
   The log of tomcat which is $CATALINA_HOME/logs/catalina.out will show: 
JProfiler> Protocol version 23 
JProfiler> Using JVMTI 
JProfiler> 32-bit library 
JProfiler> Listening on port: 8849. 
JProfiler> Native library initialized 
JProfiler> Waiting for a connection from the JProfiler GUI 



8.启动客户端软件 
   点击jprofiler菜单 session>start center>Open Session 
   Available session configurations中列出了刚才配置的连接,选中使用就OK了!! 

9.The log of tomcat which is $CATALINA_HOME/logs/catalina.out will show: 
JProfiler> Using dynamic instrumentation 
JProfiler> Time measurement: elapsed time 
JProfiler> CPU profiling enabled 
JProfiler> Hotspot compiler enabled 
JProfiler> Starting org/apache/catalina/startup/Bootstrap 

10.当中断JProfiler连接时 
   The log of tomcat which is $CATALINA_HOME/logs/catalina.out will show: 
JProfiler> Disconnected. Waiting for reconnection. 
JProfiler> Listening on port: 8849. 


注意: 
在监测时,会发现连接一段时间后,就会失去连接。这时应修改Tomcat的配置文件server.xml,该文件位于/tomcat/conf目录下。找到后将Shutdown端口号和Connector端口号分别改成8005和8080,就没问题了。 
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