Glad to help. On Thu, Sep 6, 2012 at 11:05 AM, Renato Elias <rnel...@gmail.com> wrote: > Hi Utkarsh, > > I guess we've found the problem. The connection was really getting lost in > our local network. After tweaking some servers in our lab, the things are > now working. > > Thanks for your help! > > Renato. > > > On Thu, Sep 6, 2012 at 11:58 AM, Utkarsh Ayachit > <utkarsh.ayac...@kitware.com> wrote: >> >> I think that's you first clue. The fact that even telnet cannot >> connect back to your client machine/port indicates that something is >> either blocking the connection or it's just getting lost in the >> network. Does ping "my.ip.external.address" work from the server host? >> >> Utkarsh >> >> On Thu, Sep 6, 2012 at 10:03 AM, Renato Elias <rnel...@gmail.com> wrote: >> > Hi Utkarsh, >> > >> > neither an error message I get from pvserver. It just keep waiting for >> > connection until exit due to time out... the client stays there with the >> > "waiting for server connection" screen open and nothing happens. >> > >> > I'm not familiar with telnet commands but tried the following: >> > >> > telnet> open my.ip.external.address 11111 >> > Trying my.ip.external.address... >> > >> > and it just hangs trying to connect. >> > >> > The client in this test is a Macbook running Lion. I've tried with the >> > firewall open and closed as well. >> > >> > Any more hints? >> > >> > Renato. >> > >> > On Thu, Sep 6, 2012 at 10:46 AM, Utkarsh Ayachit >> > <utkarsh.ayac...@kitware.com> wrote: >> >> >> >> Renato, >> >> >> >> Here's what I get the server spewing when I run "pvserver --rc" >> >> without any client already running: >> >> >> >> ------------------------------ >> >> Connecting to client (reverse connection requested)... >> >> Connection URL: csrc://miranda:11111 >> >> ERROR: In >> >> >> >> /home/utkarsh/Kitware/ParaView3/ParaView/VTK/Common/System/vtkSocket.cxx, >> >> line 481 >> >> vtkClientSocket (0xfbc520): Socket error in call to connect. Connection >> >> refused. >> >> >> >> ERROR: In >> >> >> >> /home/utkarsh/Kitware/ParaView3/ParaView/VTK/Common/System/vtkClientSocket.cxx, >> >> line 53 >> >> vtkClientSocket (0xfbc520): Failed to connect to server miranda:11111 >> >> >> >> Warning: In >> >> >> >> /home/utkarsh/Kitware/ParaView3/ParaView/ParaViewCore/ClientServerCore/Core/vtkTCPNetworkAccessManager.cxx, >> >> line 302 >> >> vtkTCPNetworkAccessManager (0x8cdc50): Connect failed. Retrying for >> >> 59.9997 more seconds. >> >> >> >> ERROR: In >> >> >> >> /home/utkarsh/Kitware/ParaView3/ParaView/VTK/Common/System/vtkSocket.cxx, >> >> line 481 >> >> vtkClientSocket (0xfbc520): Socket error in call to connect. Connection >> >> refused. >> >> >> >> ERROR: In >> >> >> >> /home/utkarsh/Kitware/ParaView3/ParaView/VTK/Common/System/vtkClientSocket.cxx, >> >> line 53 >> >> vtkClientSocket (0xfbc520): Failed to connect to server miranda:11111 >> >> ------------------------------ >> >> >> >> Thus if the socket connection failed, it should start reporting error >> >> and attempting again. Since the server totally just freezes, even when >> >> no client is waiting for it at the other end, I am getting somehow the >> >> BSD socket "connect" call is never returning success or failure. >> >> >> >> Try this: from the server node, try to telnet to you client host/port. >> >> Does that work? >> >> >> >> Utkarsh >> >> >> >> >> >> On Thu, Sep 6, 2012 at 9:34 AM, Renato Elias <rnel...@gmail.com> wrote: >> >> > Hi everybody, >> >> > >> >> > I'd like to understand what is happening with a client-server >> >> > connection >> >> > I'm >> >> > trying to create in PV-3.14.1. >> >> > >> >> > pvserver is running on a SGI Altix ICE compiled with OpenMPI 1.6 and >> >> > Mesa >> >> > library for offscreen rendering. Everything run smoothly from the >> >> > compilation and installation but when I try to connect with a client >> >> > (same >> >> > version), they can't get connected. The machine runs Torque batch >> >> > system >> >> > but >> >> > I certified that pvserver was running after the client. Tests I've >> >> > done >> >> > to >> >> > remove some common problems. >> >> > >> >> > 1). Client and server in the same network >> >> > >> >> > case a). Server running in the computing nodes under Torque batch >> >> > system. >> >> > Nothing happens. pvserver just sits with the following message: >> >> > >> >> > Connecting to client (reverse connection requested)... >> >> > Connection URL: csrc://my.client.local.ip:11111 >> >> > >> >> > case b). Server running in the fron-end interactively (launched from >> >> > command >> >> > line). It would remove problems due to batch system and NAT not >> >> > running >> >> > in >> >> > the computing nodes but the same message posted before appears and >> >> > nothing >> >> > happens. >> >> > >> >> > In both cases I also did tests with client's firewall turned off with >> >> > similar result (nothing happens) >> >> > >> >> > 2). Client running remotely. >> >> > >> >> > Same behavior mentioned before. >> >> > >> >> > The question is: Is there a "verbose mode reverse connection" that >> >> > could >> >> > help me understand what is happening? >> >> > >> >> > Any help would be appreciated >> >> > >> >> > Thanks >> >> > >> >> > -- >> >> > Renato N. Elias >> >> > ============================================= >> >> > Professor, at Department of Civil Engineering >> >> > COPPE/Federal University of Rio de Janeiro >> >> > PO Box 68506, Rio de Janeiro, RJ 21945-970, Brazil >> >> > >> >> > >> >> > _______________________________________________ >> >> > Powered by www.kitware.com >> >> > >> >> > Visit other Kitware open-source projects at >> >> > http://www.kitware.com/opensource/opensource.html >> >> > >> >> > Please keep messages on-topic and check the ParaView Wiki at: >> >> > http://paraview.org/Wiki/ParaView >> >> > >> >> > Follow this link to subscribe/unsubscribe: >> >> > http://www.paraview.org/mailman/listinfo/paraview >> >> > >> > >> > >> > >> > >> > -- >> > Renato N. Elias >> > ============================================= >> > Professor, at Department of Civil Engineering >> > COPPE/Federal University of Rio de Janeiro >> > PO Box 68506, Rio de Janeiro, RJ 21945-970, Brazil >> > > > > > > -- > Renato N. Elias > ============================================= > Professor, at Department of Civil Engineering > COPPE/Federal University of Rio de Janeiro > PO Box 68506, Rio de Janeiro, RJ 21945-970, Brazil > _______________________________________________ Powered by www.kitware.com
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