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Posted to users@activemq.apache.org by sparky2708 <da...@columbia.edu> on 2007/10/31 19:23:57 UTC

ActiveMQ & NetMon

I am having issues monitoring activemq with netmon (10.0.1.8 is where netmon
is running):

ERROR TransportConnector             - Could not accept connection from
/10.0.1.8:47757: java.net.SocketException: Socket closed
java.net.SocketException: Socket closed
        at
java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:99)
        at java.net.SocketOutputStream.write(SocketOutputStream.java:136)
        at
org.apache.activemq.transport.tcp.TcpBufferedOutputStream.flush(TcpBufferedOutputStream.java:109)
        at java.io.DataOutputStream.flush(DataOutputStream.java:106)
        at
org.apache.activemq.transport.tcp.TcpTransport.oneway(TcpTransport.java:119)
        at
org.apache.activemq.transport.InactivityMonitor.oneway(InactivityMonitor.java:141)
        at
org.apache.activemq.transport.WireFormatNegotiator.sendWireFormat(WireFormatNegotiator.java:155)
        at
org.apache.activemq.transport.WireFormatNegotiator.start(WireFormatNegotiator.java:73)
        at
org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:54)
        at
org.apache.activemq.broker.TransportConnection.start(TransportConnection.java:816)
        at
org.apache.activemq.broker.TransportConnector$1.onAccept(TransportConnector.java:148)
        at
org.apache.activemq.transport.tcp.TcpTransportServer.run(TcpTransportServer.java:167)
        at java.lang.Thread.run(Thread.java:595)

-- 
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Re: ActiveMQ & NetMon

Posted by James Strachan <ja...@gmail.com>.
I guess the ERROR level is a bit high, it could be toned down to maybe
a WARN - but something opening and closing a socket pretty quickly
when trying to connect to ActiveMQ is certainly not normal, so some
kinda logging is required - but it should be easy to turn off you
want.

On 05/11/2007, Tom Samplonius <to...@samplonius.org> wrote:
>
>   If Netmon is just opening the socket, and then closing it, ActiveMQ will complain.  I don't think it should dump a stack trace though.
>
> Tom
>
>
> ----- "sparky2708" <da...@columbia.edu> wrote:
> > I am having issues monitoring activemq with netmon (10.0.1.8 is where
> > netmon
> > is running):
> >
> > ERROR TransportConnector             - Could not accept connection
> > from
> > /10.0.1.8:47757: java.net.SocketException: Socket closed
> > java.net.SocketException: Socket closed
> >         at
> > java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:99)
> >         at
> > java.net.SocketOutputStream.write(SocketOutputStream.java:136)
> >         at
> > org.apache.activemq.transport.tcp.TcpBufferedOutputStream.flush(TcpBufferedOutputStream.java:109)
> >         at java.io.DataOutputStream.flush(DataOutputStream.java:106)
> >         at
> > org.apache.activemq.transport.tcp.TcpTransport.oneway(TcpTransport.java:119)
> >         at
> > org.apache.activemq.transport.InactivityMonitor.oneway(InactivityMonitor.java:141)
> >         at
> > org.apache.activemq.transport.WireFormatNegotiator.sendWireFormat(WireFormatNegotiator.java:155)
> >         at
> > org.apache.activemq.transport.WireFormatNegotiator.start(WireFormatNegotiator.java:73)
> >         at
> > org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:54)
> >         at
> > org.apache.activemq.broker.TransportConnection.start(TransportConnection.java:816)
> >         at
> > org.apache.activemq.broker.TransportConnector$1.onAccept(TransportConnector.java:148)
> >         at
> > org.apache.activemq.transport.tcp.TcpTransportServer.run(TcpTransportServer.java:167)
> >         at java.lang.Thread.run(Thread.java:595)
> >
> > --
> > View this message in context:
> > http://www.nabble.com/ActiveMQ---NetMon-tf4726986s2354.html#a13515684
> > Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>


-- 
James
-------
http://macstrac.blogspot.com/

Open Source SOA
http://open.iona.com

Re: ActiveMQ & NetMon

Posted by Tom Samplonius <to...@samplonius.org>.
  If Netmon is just opening the socket, and then closing it, ActiveMQ will complain.  I don't think it should dump a stack trace though.

Tom


----- "sparky2708" <da...@columbia.edu> wrote:
> I am having issues monitoring activemq with netmon (10.0.1.8 is where
> netmon
> is running):
> 
> ERROR TransportConnector             - Could not accept connection
> from
> /10.0.1.8:47757: java.net.SocketException: Socket closed
> java.net.SocketException: Socket closed
>         at
> java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:99)
>         at
> java.net.SocketOutputStream.write(SocketOutputStream.java:136)
>         at
> org.apache.activemq.transport.tcp.TcpBufferedOutputStream.flush(TcpBufferedOutputStream.java:109)
>         at java.io.DataOutputStream.flush(DataOutputStream.java:106)
>         at
> org.apache.activemq.transport.tcp.TcpTransport.oneway(TcpTransport.java:119)
>         at
> org.apache.activemq.transport.InactivityMonitor.oneway(InactivityMonitor.java:141)
>         at
> org.apache.activemq.transport.WireFormatNegotiator.sendWireFormat(WireFormatNegotiator.java:155)
>         at
> org.apache.activemq.transport.WireFormatNegotiator.start(WireFormatNegotiator.java:73)
>         at
> org.apache.activemq.transport.TransportFilter.start(TransportFilter.java:54)
>         at
> org.apache.activemq.broker.TransportConnection.start(TransportConnection.java:816)
>         at
> org.apache.activemq.broker.TransportConnector$1.onAccept(TransportConnector.java:148)
>         at
> org.apache.activemq.transport.tcp.TcpTransportServer.run(TcpTransportServer.java:167)
>         at java.lang.Thread.run(Thread.java:595)
> 
> -- 
> View this message in context:
> http://www.nabble.com/ActiveMQ---NetMon-tf4726986s2354.html#a13515684
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.