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[dsdp-tcf-dev] [Bug 314876] New: [tcf] TCF "Datagram send failed" messages seen in error log

https://bugs.eclipse.org/bugs/show_bug.cgi?id=314876 
Product/Component: Target Management / TCF

           Summary: [tcf] TCF "Datagram send failed" messages seen in
                    error log
    Classification: DSDP
           Product: Target Management
           Version: 3.1.1
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P3
         Component: TCF
        AssignedTo: dsdp.tm.tcf-inbox@xxxxxxxxxxx
        ReportedBy: martin.oberhuber@xxxxxxxxxxxxx
         QAContact: martin.oberhuber@xxxxxxxxxxxxx
                CC: wb-rel@xxxxxxx


CQ:WIND00210473  
Build ID: TCF HEAD of November 2009

I'm unsure what's triggering these messages, but I'm seeing lots of errors
logged like the following when my Firewall is on.

I would expect errors like this to be reported to the client application for
proper handling, rather than just logging to the error log. From the error log,
an end user cannot understand what's going wrong or how to alleviate the
problem.

Cannot send datagram packet
java.net.SocketException: Invalid argument: Datagram send failed
        at java.net.PlainDatagramSocketImpl.send(Native Method)
        at java.net.DatagramSocket.send(DatagramSocket.java:612)
        at
org.eclipse.tm.internal.tcf.services.local.LocatorService.sendEmptyPacket(LocatorService.java:523)
        at
org.eclipse.tm.internal.tcf.services.local.LocatorService.sendAll(LocatorService.java:545)
        at
org.eclipse.tm.internal.tcf.services.local.LocatorService.refresh_timer(LocatorService.java:378)
        at
org.eclipse.tm.internal.tcf.services.local.LocatorService.access$0(LocatorService.java:330)
        at
org.eclipse.tm.internal.tcf.services.local.LocatorService$1$1.run(LocatorService.java:156)
        at org.eclipse.tm.tcf.protocol.Protocol$3.run(Protocol.java:209)
        at org.eclipse.tm.tcf.EventQueue.run(EventQueue.java:100)
        at java.lang.Thread.run(Thread.java:595)

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