通过JMX访问docker容器中运行的tomcat [英] Access tomcat running in docker container by JMX
问题描述
Tomcat版本是7,Java版本是1.7.0_79。
Tomcat在docker的容器上运行。
端口映射已经由以下设置。
docker run -itd -p 18080:8080 -p 19998 :19998 -p 62911:62911 sad_jang2 bash
在tomcat容器中,setevn.sh在路径,/ tomcat_home / bin /,具有以下内容。
export JAVA_OPTS =
-Xdebug -Xrunjdwp:transport = dt_socket,address = 62911,server = y,suspend = n
-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port = 19998
-Dcom.sun.management.jmxremote .authenticate = false
-Dcom.sun.management.jmxremote.ssl = false
-Djava.rmi.server.hostname = 172.17.0.16
我写了一个简单的java代码作为
JMXServiceURL serviceURL =新的JMXServiceURL(service:jmx:rmi:/// jndi / rmi://+172.17.0.16+:+19998+/ jmxrmi);
JMXConnector connector = JMXConnectorFactory.connect(serviceURL,null);
MBeanServerConnection mbsc = connector.getMBeanServerConnection();
,可以通过JMX获取相关值。
但是,我使用docker主机的地址和19998端口(如
JMXServiceURL serviceURL = new JMXServiceURL在桌面上运行此代码(service:jmx:rmi:/// jndi / rmi://+10.70.1.5+:+19998+/ jmxrmi);
控制台显示以下消息
java.rmi.ConnectException:Connection拒绝主机:172.17.0.16;嵌套异常是:
java.net.ConnectException:Connection超时:连接
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:619)
at sun.rmi .transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
at sun.rmi.server.UnicastRef .invoke(UnicastRef.java:130)
在javax.management.remote.rmi.RMIServerImpl_Stub.newClient(未知源)
在javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java: 2432)
在javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
在javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270)
at utility.GetStatistic.getTomcatStats(GetStatistic.java:84)
在exec.Main.main(Main.java:53)
导致:java.net.ConnectException:连接超时:连接
在java.net.DualStackPlainSocketImpl.connect0(本机方法)
在java.net.DualStackPlainSocketIm p.socketConnect(DualStackPlainSocketImpl.java:79)
在java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
在java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
在java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
在java.net.SocksSocketImpl.connect(SocksSocketImpl .java:392)
在java.net.Socket.connect(Socket.java:589)
在java.net.Socket.connect(Socket.java:538)
在java。 net.Socket。< init>(Socket.java:434)
在java.net.Socket。< init>(Socket.java:211)
at sun.rmi.transport.proxy。 RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:148)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket( TCPEndpoint.java:613)
... 9更多
使用浏览器网址 http://10.70.1.5:18080 可以显示tomcat root的页面。
任何人都可以提供任何建议?谢谢。
这是我成功用于通过JMX监视我的ZooKeeper容器的标志:
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.local.only = false
-Dcom.sun.management .jmxremote.authenticate = false
-Dcom.sun.management.jmxremote.port = 9010
-Dcom.sun.management.jmxremote.rmi.port = 9010
-Djava.rmi.server .hostname = 192.168.1.4
-Dcom.sun.management.jmxremote.ssl = false
所以差异将是这个条目 -Dcom.sun.management.jmxremote.rmi.port
这是将RMI端口修复为与JMX端口相同。
有了这个我可以只需 docker run -p 9010:9010 ...
,一切都适用于我。
I want to get tomcat's performance by JMX. Tomcat version is 7 and Java version is 1.7.0_79.
Tomcat runs on the docker's container. The port mapping has set up by the following.
docker run -itd -p 18080:8080 -p 19998:19998 -p 62911:62911 sad_jang2 bash
In the tomcat container, setevn.sh was created in the path, /tomcat_home/bin/ with the following content.
export JAVA_OPTS="
-Xdebug -Xrunjdwp:transport=dt_socket,address=62911,server=y,suspend=n
-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=19998
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.ssl=false
-Djava.rmi.server.hostname=172.17.0.16"
I write a simple java code as
JMXServiceURL serviceURL = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://" + "172.17.0.16"+ ":" + "19998" + "/jmxrmi");
JMXConnector connector = JMXConnectorFactory.connect(serviceURL, null);
MBeanServerConnection mbsc = connector.getMBeanServerConnection();
and can get related values by JMX.
However, I run this code in my desktop with the docker host's address and 19998 port such as
JMXServiceURL serviceURL = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://" + "10.70.1.5"+ ":" + "19998" + "/jmxrmi");
The console displayed the following message
java.rmi.ConnectException: Connection refused to host: 172.17.0.16; nested exception is:
java.net.ConnectException: Connection timed out: connect
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:619)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:216)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:202)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:130)
at javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown Source)
at javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2432)
at javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:308)
at javax.management.remote.JMXConnectorFactory.connect(JMXConnectorFactory.java:270)
at utility.GetStatistic.getTomcatStats(GetStatistic.java:84)
at exec.Main.main(Main.java:53)
Caused by: java.net.ConnectException: Connection timed out: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:345)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:589)
at java.net.Socket.connect(Socket.java:538)
at java.net.Socket.<init>(Socket.java:434)
at java.net.Socket.<init>(Socket.java:211)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:40)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:148)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:613)
... 9 more
Using the browser to connect the URL http://10.70.1.5:18080 can show the tomcat root's page.
Can anyone give any suggestions? Thanks.
Here's the flags I've successfully used for monitoring my ZooKeeper container via JMX:
-Dcom.sun.management.jmxremote
-Dcom.sun.management.jmxremote.local.only=false
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.port=9010
-Dcom.sun.management.jmxremote.rmi.port=9010
-Djava.rmi.server.hostname=192.168.1.4
-Dcom.sun.management.jmxremote.ssl=false
So the difference would be this entry -Dcom.sun.management.jmxremote.rmi.port
which is fix the RMI port to be the same as JMX port.
With this I can just docker run -p 9010:9010 ...
and everything is fine for me.
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