如何在我的 JVM 上激活 JMX 以使用 jconsole 进行访问? [英] How to activate JMX on my JVM for access with jconsole?

问题描述

如何在 JVM 上激活 JMX 以使用 jconsole 进行访问?

How to activate JMX on a JVM for access with jconsole?

推荐答案

相关文档可以在这里找到:

The relevant documentation can be found here:

http://java.sun.com/javase/6/docs/technotes/guides/management/agent.html

使用以下参数启动您的程序:

Start your program with following parameters:

-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.port=9010
-Dcom.sun.management.jmxremote.rmi.port=9010
-Dcom.sun.management.jmxremote.local.only=false
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false

例如像这样:

java -Dcom.sun.management.jmxremote 
  -Dcom.sun.management.jmxremote.port=9010 
  -Dcom.sun.management.jmxremote.local.only=false 
  -Dcom.sun.management.jmxremote.authenticate=false 
  -Dcom.sun.management.jmxremote.ssl=false 
  -jar Notepad.jar

-Dcom.sun.management.jmxremote.local.only=false 不一定是必需的但没有它，它在 Ubuntu 上不起作用.错误将类似于这个:

-Dcom.sun.management.jmxremote.local.only=false is not necessarily required but without it, it doesn't work on Ubuntu. The error would be something like this:

01 Oct 2008 2:16:22 PM sun.rmi.transport. customer .TCPTransport$AcceptLoop executeAcceptLoop
WARNING: RMI TCP Accept-0: accept loop for ServerSocket[addr=0.0.0.0/0.0.0.0,port=0,localport=37278] throws
java.io.IOException: The server sockets created using the LocalRMIServerSocketFactory only accept connections from clients running on the host where the RMI remote objects have been exported.
    at sun.management.jmxremote.LocalRMIServerSocketFactory$1.accept(LocalRMIServerSocketFactory.java:89)
    at sun.rmi.transport. customer .TCPTransport$AcceptLoop.executeAcceptLoop(TCPTransport.java:387)
    at sun.rmi.transport. customer .TCPTransport$AcceptLoop.run(TCPTransport.java:359)
    at java.lang.Thread.run(Thread.java:636)

参见 http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6754672

还要小心 -Dcom.sun.management.jmxremote.authenticate=false使任何人都可以访问，但如果您只使用它来跟踪 JVM你的本地机器没关系.

Also be careful with -Dcom.sun.management.jmxremote.authenticate=false which makes access available for anyone, but if you only use it to track the JVM on your local machine it doesn't matter.

更新:

在某些情况下，我无法访问服务器.如果我也设置此参数，则此问题已得到修复:-Djava.rmi.server.hostname=127.0.0.1

In some cases I was not able to reach the server. This was then fixed if I set this parameter as well: -Djava.rmi.server.hostname=127.0.0.1

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