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從kubernetes pod轉發的JMX不同端口

[英]JMX different port forward from kubernetes pod

我從kubernetes pod轉發jmx到本地主機有問題。 當端口轉發到同一端口時,一切工作正常:

kubectl port-forward ... 9010:9010 OR
kubectl port-forward ... 9010

但是,當我嘗試轉發到其他本地端口時,

kubectl port-forward ... 9011:9010

jconsole或jms都無法連接。

它阻止了我一次分析多個應用程序。

JMS錯誤:

com.oracle.jmc.rjmx.ConnectionException caused by java.rmi.NoSuchObjectException: no such object in table
    at com.oracle.jmc.rjmx.internal.RJMXConnection.connect(RJMXConnection.java:406)
    at com.oracle.jmc.rjmx.internal.ServerHandle.doConnect(ServerHandle.java:88)
    at com.oracle.jmc.rjmx.internal.ServerHandle.connect(ServerHandle.java:78)
    at com.oracle.jmc.console.ui.editor.internal.ConsoleEditor$ConnectJob.run(ConsoleEditor.java:73)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
Caused by: java.rmi.NoSuchObjectException: no such object in table
    at java.rmi/sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:283)
    at java.rmi/sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:260)
    at java.rmi/sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
    at java.management.rmi/javax.management.remote.rmi.RMIServerImpl_Stub.newClient(Unknown Source)
    at java.management.rmi/javax.management.remote.rmi.RMIConnector.getConnection(RMIConnector.java:2105)
    at java.management.rmi/javax.management.remote.rmi.RMIConnector.connect(RMIConnector.java:321)
    at com.oracle.jmc.rjmx.internal.RJMXConnection.connectJmxConnector(RJMXConnection.java:451)
    at com.oracle.jmc.rjmx.internal.RJMXConnection.establishConnection(RJMXConnection.java:427)
    at com.oracle.jmc.rjmx.internal.RJMXConnection.connect(RJMXConnection.java:399)
    ... 4 more

jconsole錯誤:

Connection to localhost:9011 did no succeed.

這是一個RMI問題。 問題在於,傳遞給JMX客戶端的RMI存根是為9010創建的,因此在嘗試在9011進行連接時會失敗。 這里概述了幾個不錯的解決方案。 另一個選擇是切換到JMXMP ,它是純套接字JMX協議,因此無需任何其他變通辦法即可進行端口轉發。

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