<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><br><br><div><br></div><div><br></div></div><blockquote type="cite"><div><div dir="ltr"><div><div class="gmail_quote">From: <b class="gmail_sendername">Lukas Gamper</b> <span dir="ltr">&lt;<a href="mailto:gamperl@gmail.com">gamperl@gmail.com</a>&gt;</span><br>

Date: 2014/1/6<br>Subject: Error in VisTrails Server 2.1 on Debian<br>To: <a href="mailto:vistrails-dev@sci.utah.edu">vistrails-dev@sci.utah.edu</a><br><br><div dir="ltr"><div><font face="arial, sans-serif"><span style="white-space:nowrap">Hi</span></font></div>

<div><font face="arial, sans-serif"><span style="white-space:nowrap"><br></span></font></div><div><font face="arial, sans-serif"><span style="white-space:nowrap">There seems to be an error related to Qt in the vistrails_server on Debian:</span></font></div>


<div><font face="arial, sans-serif"><span style="white-space:nowrap"><br></span></font></div><div><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">QPixmap: Must construct a QApplication before a QPaintDevice</span><font face="arial, sans-serif"><span style="white-space:nowrap"><br>


</span></font></div><font face="arial, sans-serif"><span style="white-space:nowrap"><div><font face="arial, sans-serif"><span style="white-space:nowrap"><br></span></font></div>How to reproduce:</span></font><div><font face="arial, sans-serif"><span style="white-space:nowrap"><br>


</span></font></div><div><font face="arial, sans-serif"><span style="white-space:nowrap">install a new debian/create a new debian virtual machine</span></font></div>



<div><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;mkdir /server<br></span><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;cd /server/<br>


</span><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;mkdir vistrails<br></span><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;cd vistrails/<br>


</span><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;mkdir logs<br></span><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;wget <a href="http://downloads.sourceforge.net/project/vistrails/vistrails/v2.1/vistrails-src-2.1-179c82045907.tar.gz" target="_blank">http://downloads.sourceforge.net/project/vistrails/vistrails/v2.1/vistrails-src-2.1-179c82045907.tar.gz</a><br>


</span><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;tar -xzf vistrails-src-2.1-179c82045907.tar.gz <br></span><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;mv vistrails-src-2.1-7fd4888b0ea2 git # make sure the default config works<br>


</span><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp; cd git/vistrails/<br></span><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;apt-get install zip&nbsp;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">xvfb</span><br style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">


<span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;python run.py</span></div><div><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap"># let vistrails install all needed packages<br>


</span><span style="font-family:arial,sans-serif;white-space:nowrap">$&gt;</span><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">&nbsp;scripts/start_vistrails_xvfb.sh<br>checking if Xvfb is already running...<br>


ps -eaf | grep /usr/bin/Xvfb | grep :6 | awk '{print $2}'<br>
Xvfb already running [pid=10982]<br>Starting VisTrails in Server Mode on display :6.0 -&nbsp;</span></div><div><span style="font-family:arial,sans-serif;font-size:13px;white-space:nowrap">Vistrails was not running on&nbsp; <a href="http://vis-7.sci.utah.edu:8081" target="_blank">http://vis-7.sci.utah.edu:8081</a><br>


Vistrails was not running on&nbsp; <a href="http://vis-7.sci.utah.edu:8081" target="_blank">http://vis-7.sci.utah.edu:8081</a><br>
scripts/start_vistrails_xvfb.sh: line 105: kill: (11020) - No such process<br>QPixmap: Must construct a QApplication before a QPaintDevice</span></div><div><br></div><div>Best</div><span class="HOEnZb"><font color="#888888"><div>

&nbsp; Lukas</div>
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