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[build 616] java.rmi.ConnectIOException

Moderators: Vladimir Kondratyev, Anton Katilin

[build 616] java.rmi.ConnectIOException

Postby sereda » Sun Jun 26, 2005 7:30 pm

I run CPU tracing from the very beginning of heavy-loaded test. CPU consumption is 100%, system is slow and unresponsive. When I try to "capture snapshot and stop tracing" from GUI, I get the following in IDEA:

java.rmi.ConnectIOException: Exception creating connection to: <my ip address>; nested exception is:
java.net.NoRouteToHostException: No route to host: connect
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:587)
at sun.rmi.transport.tcp.TCPChannel.createConnection(TCPChannel.java:185)
at sun.rmi.transport.tcp.TCPChannel.newConnection(TCPChannel.java:171)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:94)
at com.yourkit.runtime.RemoteProgressCallbackImpl_Stub.update(Unknown Source)
at com.yourkit.runtime.Core.captureCPUSnapshot(Native Method)
at com.yourkit.runtime.Core.captureSnapshotImpl(Core.java:345)
at com.yourkit.runtime.AgentImpl.captureCPUSnapshot(AgentImpl.java:76)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294)
at sun.rmi.transport.Transport$1.run(Transport.java:153)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:149)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701)
at java.lang.Thread.run(Thread.java:595)
Caused by: java.net.NoRouteToHostException: No route to host: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:364)
at java.net.Socket.connect(Socket.java:507)
at java.net.Socket.connect(Socket.java:457)
at java.net.Socket.<init>(Socket.java:365)
at java.net.Socket.<init>(Socket.java:178)
at sun.rmi.transport.proxy.RMIDirectSocketFactory.createSocket(RMIDirectSocketFactory.java:22)
at sun.rmi.transport.proxy.RMIMasterSocketFactory.createSocket(RMIMasterSocketFactory.java:128)
at sun.rmi.transport.tcp.TCPEndpoint.newSocket(TCPEndpoint.java:569)
... 18 more
Posts: 15
Joined: Sat Jun 25, 2005 10:33 pm
Location: ALM Works

Postby Anton Katilin » Mon Jun 27, 2005 10:29 am

Thanks for the report. Looks like something wrong happens inside Java network stuff when system is under heavy pressure.

Please don't use CPU tracing, please use sampling instead.

The only reason to prefer tracing over sampling is when one has a need to measure method invocation counts. If you only need times, sampling is your friend.
Furthermore, in recent builds we have dramatically improved quality of sampling results on e.g. Windows.

We're currently working to resolve the issue with tracing. I hope we'll be able to intorduce the new approach in one of the next builds.
Anton Katilin
Posts: 5966
Joined: Wed Aug 11, 2004 8:37 am

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