<br>Hello,<br><br>I have a problem in using ParaView 5.2.0 in the client-server mode. Could anyone please give me a help?<br>
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<p class="western" style="margin-bottom: 0in; line-height: 100%">Firstly, the
operation system on my rendering server is CentOS 6.3 and on my PC it's CentOS
6.8. I think I have built the ParaView 5.2.0 successfully from the source package from Kitware on my server, because during the processes of configure with CMake and the following make, there was no error. Then I start the pvserver on the rendering server through VNC:</p><p class="western" style="margin-bottom: 0in; line-height: 100%">[root@V18 bin]# ./pvserver</p><p class="western" style="margin-bottom: 0in; line-height: 100%">Waiting for client...</p><p class="western" style="margin-bottom: 0in; line-height: 100%">Connection URL: cs://V18:11111</p><p class="western" style="margin-bottom: 0in; line-height: 100%">Accepting connection(s): V18:11111</p><p class="western" style="margin-bottom: 0in; line-height: 100%">Then I connect to the server with the paraview client GUI on my PC, which is also 5.2.0 and is built from the binary installer from Kitware.
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seems that the connection is completed, but actually I get output
messages from the GUI immediately like this:</p><p class="western" style="margin-bottom: 0in; line-height: 100%"><img src="cid:1850550$1$159a7151dea$Coremail$yzhzhang$ipe.ac.cn"><br></p><p class="western" style="margin-bottom: 0in; line-height: 100%">And the command line reads:</p><p class="western" style="margin-bottom: 0in; line-height: 100%">ERROR: In /home/buildslave/dashboards/buildbot/paraview-pvbinsdash-linux-shared-release_opengl2_qt4_superbuild/source-paraview/VTK/Common/System/vtkSocket.cxx, line 572<br>vtkClientSocket (0x1c9aa20): Socket error in call to send. Broken pipe.<br></p><p class="western" style="margin-bottom: 0in; line-height: 100%">And this message repeats for dozens of times. Actually they are the same of the output messages on the GUI.
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Then, 5 or
so seconds later, antoher dialog popped up :</p><p class="western" style="margin-bottom: 0in; line-height: 100%"><img src="cid:1ff82e$2$159a7151dea$Coremail$yzhzhang$ipe.ac.cn"><br></p><p class="western" style="margin-bottom: 0in; line-height: 100%">For clicking No or Yes, the GUI shutdown or save a file that records the state of ParaView and then shutdown, respectively.<br></p><p class="western" style="margin-bottom: 0in; line-height: 100%">On the command line of the server, it reads:</p><p class="western" style="margin-bottom: 0in; line-height: 100%">Client connected.<br></p><p class="western" style="margin-bottom: 0in; line-height: 100%">X Error of failed request: GLXBadContext</p><p class="western" style="margin-bottom: 0in; line-height: 100%"> Major opcode of failed request: 135 (GLX)</p><p class="western" style="margin-bottom: 0in; line-height: 100%"> Minor opcode of failed request: 5 (X_GLXMakeCurrent)</p><p class="western" style="margin-bottom: 0in; line-height: 100%"> Serial number of failed request: 28</p><p class="western" style="margin-bottom: 0in; line-height: 100%"> Current serial number in output stream: 28</p><p class="western" style="margin-bottom: 0in; line-height: 100%">
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</p><p class="western" style="margin-bottom: 0in; line-height: 100%">I
googled the error messages above and got many answers
indicating that it's a problem about OpenGL. When I configured ParaView with Cmake, the options of
VTK_RENDER_BACKEND:STRING are OpenGL,OpenGL2 and None. I have tried both OpenGL and OpenGL2 for that variable, but got the same error finally. The OpenGL
version on my server is 4.4.0 and on my PC it's 4.5.0. There are GPUs on both the server and my PC so I didn't use OSMesa. Here is the output form "glxinfo | grep OpenGL" on my render server:</p><p class="western" style="margin-bottom: 0in; line-height: 100%">OpenGL vendor string: NVIDIA Corporation<br>OpenGL renderer string: Tesla C2050/PCIe/SSE2<br>OpenGL version string: 4.4.0 NVIDIA 331.67<br>OpenGL shading language version string: 4.40 NVIDIA via Cg compiler<br>OpenGL extensions:</p><p class="western" style="margin-bottom: 0in; line-height: 100%">and on my PC, the output from "glxinfo | grep OpenGL" is:</p><p class="western" style="margin-bottom: 0in; line-height: 100%">OpenGL vendor string: NVIDIA Corporation<br>OpenGL renderer string: GeForce GT 730/PCIe/SSE2<br>OpenGL version string: 4.5.0 NVIDIA 375.20<br>OpenGL shading language version string: 4.50 NVIDIA<br>OpenGL extensions:</p><p class="western" style="margin-bottom: 0in; line-height: 100%">Oddly, the ParaView 4.4.0 works perfectly on the same machine after the same process of configure and make. Is that because that the 5.2.0 needs some new dependent libraries that the 4.4.0 dosen't need?<br></p><p class="western" style="margin-bottom: 0in; line-height: 100%">If you have any idea about solving this problem, please tell me. Thanks a lot!<br></p><p class="western" style="margin-bottom: 0in; line-height: 100%">-Zhang<br></p><p class="western" style="margin-bottom: 0in; line-height: 100%"><br></p>
<p class="western" style="margin-bottom: 0in; line-height: 100%"><br></p><p class="western" style="margin-bottom: 0in; line-height: 100%"><br></p>
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operation system of the node is CentOS 6.3 and on my PC it's CentOS
6.8</style> <br><span></span><br><br><br><br><span></span><br><br><br>