<br><br>Hi Chuck, I'm happy you are willing to help me with the problem of ParaView 5.2.0.<br><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, 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:</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.
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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:7d5f54$1$1594548c156$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:fda0c5$2$1594548c156$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. Actually I indeed got
confused when I configured ParaView with Cmake.The options of
VTK_RENDER_BACKEND:STRING are OpenGL,OpenGL2 and None. I don't no
what's the difference between the first two options but 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. I have tried both OpenGL and OpenGL2 for that variable, but got the same error finally.</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. What the difference is, when I start the 5.2.0 paraview GUI from command line, there are lots of warnings like this:</p><p class="western" style="margin-bottom: 0in; line-height: 100%"><br>Fontconfig warning: "/etc/fonts/conf.d/45-latin.conf", line 39: Having multiple <family> in <alias> isn't supported and may not work as expected<br>Fontconfig warning: "/etc/fonts/conf.d/45-latin.conf", line 56: Having multiple <family> in <alias> isn't supported and may not work as expected</p><p class="western" style="margin-bottom: 0in; line-height: 100%">but when I start the 4.4.0 GUI from command line, there is nothing wrong.</p><p class="western" style="margin-bottom: 0in; line-height: 100%">These are all the messages I can get about my problem. I'm not sure whether they are the <i>actual error</i> you<i> </i>mentioned in your last email. Hope they can give you enough information about my problem and you could help me solve it. Thank you!</p><p class="western" style="margin-bottom: 0in; line-height: 100%">Sincerely</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>