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<p>That may be the case for the application. However, depending on
the installation, shared libraries may be overwritten when a new
installation is carried out and cause older software versions to
stop working.<br>
</p>
<br>
<div class="moz-cite-prefix">On 08/06/18 20:11, Philip Barlow wrote:<br>
</div>
<blockquote type="cite"
cite="mid:66CBA755B8D98F41BCA0F0AC4CF680CE2B08E6FB@SKOMER.pembrokeshirecoast.pcnpa">
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I
am happily running 2.18.20, 3.0.3 and 3.1 (nightly builds)
side by side on Windows 10. 2.x and 3.x store their user
settings and plugins in different locations so there are no
conflicts.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Phil<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"
lang="EN-US">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"
lang="EN-US"> Qgis-user
[<a class="moz-txt-link-freetext" href="mailto:qgis-user-bounces@lists.osgeo.org">mailto:qgis-user-bounces@lists.osgeo.org</a>]
<b>On Behalf Of </b>Patrick Dunford<br>
<b>Sent:</b> 08 June 2018 05:02<br>
<b>To:</b> qgis-user ML<br>
<b>Subject:</b> Re: [Qgis-user] Unable to load project<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p>The Windows version of Qgis allows you to run multiple
versions on your computer side by side. I personally haven't
used the Windows version for several years so I can't be sure
if you will have any issues running 3.0 alongside your current
version. I run many of the editions I have in virtual
machines. If your PC has 8 GB or more of memory, or if you
have access to another computer that can run Linux, then you
can try it out in a Linux virtual machine or physical computer
environment without disturbing your current installation.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">On 08/06/18 07:38, Springfield Harrison
wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p>hello Patrick, thanks for your ideas. I will try the no
plugins option.<o:p></o:p></p>
<p>The program will run with no project loaded and it will run
older project files but has problems with newer ones for the
same project.<o:p></o:p></p>
<p>I can load an older project file and then add newer layers
to it and reconfigure them, Etc. This is very tedious but
will amount to a recovery. It is better than starting from
scratch for sure. But will the same problem reoccur?<o:p></o:p></p>
<p>I have contemplated migrating to version 3 but I'm always
leery of upgrades of anything as they often bring problems
with them. In this list I notice many references to
installation issues and things not running. 2.10 is a devil
I know.<o:p></o:p></p>
<p>can I expect any difficulties installing 3.0 +?<o:p></o:p></p>
<p>Cheers . . . . . Spring<br>
Samsung Tab 4<o:p></o:p></p>
<div>
<p class="MsoNormal">On Jun 7, 2018 1:30 AM, "Patrick
Dunford" <<a href="mailto:enzedrailmaps@gmail.com"
moz-do-not-send="true">enzedrailmaps@gmail.com</a>>
wrote:<o:p></o:p></p>
<div>
<p>Thre are a number of troubleshooting steps to try out<o:p></o:p></p>
<p>1. Start up qgis using the -noplugins switch or remove
all installed plugins or test removing one at a time.<o:p></o:p></p>
<p>2. Backup the config file and start with a new empty
config.<o:p></o:p></p>
<p>Qgis 2.10 is well out of support, is there any reason
you can't migrate to 3.0?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">On 07/06/18 18:28, Springfield
Harrison wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p>hello Phil,<o:p></o:p></p>
<p>I did open the project file in Word, 2033 pages, and
found 13 instances referring to the dxf file. Hard to
say if anything was wrong there, nothing obvious. At
least to me. Some other research I did indicates that
maybe there is an authentication problem, not sure
just what that boils down to.<o:p></o:p></p>
<p>I don't think the dxf file is the problem. I renamed
it and bypassed it on the startup routine which the
program accepted but it still seized up with a
spinning cursor. Some things still function, such as
modifying the properties of a layer , Etc. But the
screen is blank and nothing can be saved.<o:p></o:p></p>
<p>For some time I have noticed that loading a project
file bogs down for a while and then would resume to
completion. Now it bogs down and blows up. The key
message seems to be unknown exception.<o:p></o:p></p>
<p>Some older project files do load successfully
however...<o:p></o:p></p>
<p>Cheers . . . . . Spring<br>
Samsung Tab 4<o:p></o:p></p>
<div>
<p class="MsoNormal">On Jun 6, 2018 11:15 PM, "Phil
Wyatt" <<a href="mailto:phil@wyatt-family.com"
target="_blank" moz-do-not-send="true">phil@wyatt-family.com</a>>
wrote:<o:p></o:p></p>
<div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"
lang="EN-AU">Can you open a copy of the
previous project file in something like
notepad and see if anything obvious can be
fixed and or removed in relation to the DXF
layer?</span><span lang="EN-AU"><o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"
lang="EN-AU"> </span><span lang="EN-AU"><o:p></o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"
lang="EN-US">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"
lang="EN-US"> Qgis-user [mailto:<a
href="mailto:qgis-user-bounces@lists.osgeo.org"
target="_blank" moz-do-not-send="true">qgis-user-bounces@lists.osgeo.org</a>]
<b>On Behalf Of </b>Springfield Harrison<br>
<b>Sent:</b> Thursday, 7 June 2018 1:36 PM<br>
<b>To:</b> <a
href="mailto:qgis-user@lists.osgeo.org"
target="_blank" moz-do-not-send="true">qgis-user@lists.osgeo.org</a>
List<br>
<b>Subject:</b> [Qgis-user] Unable to load
project</span><span lang="EN-AU"><o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
lang="EN-AU"> <o:p></o:p></span></p>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
lang="EN-AU">Hello All,<br>
<br>
Bad News. I am unable to load a project
that normally works with no problems:<o:p></o:p></span></p>
<ol start="1" type="1">
<li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
level1 lfo1">
<span lang="EN-AU">QGIS 2.10.1, Windows 7.<o:p></o:p></span></li>
<li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
level1 lfo1">
<span lang="EN-AU">Project starts to load,
loads many layers . . .<o:p></o:p></span></li>
<li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
level1 lfo1">
<span lang="EN-AU">halts loading "point
Entity", a DXF file<o:p></o:p></span></li>
<li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
level1 lfo1">
<span lang="EN-AU">the DXF file was renamed
to trigger the Handle Bad Layers service<o:p></o:p></span></li>
<li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
level1 lfo1">
<span lang="EN-AU">this was bypassed but
project loading still fails to complete,
cursor spinner on constantly<o:p></o:p></span></li>
<li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
level1 lfo1">
<span lang="EN-AU">exiting with Save
triggers "Unknown Exception"<o:p></o:p></span></li>
<li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
level1 lfo1">
<span lang="EN-AU">the project file is
trashed to 0kb<o:p></o:p></span></li>
<li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
level1 lfo1">
<span lang="EN-AU">Exiting without Save is
OK but no project can be loaded<o:p></o:p></span></li>
<li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
level1 lfo1">
<span lang="EN-AU">Restoring previous
project file versions yields the same
results<o:p></o:p></span></li>
<li class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0
level1 lfo1">
<span lang="EN-AU">Loading some other
projects works but may have cursor spinner<o:p></o:p></span></li>
</ol>
<p><span lang="EN-AU">Any ideas what is going on
here? I have rebooted the computer.<o:p></o:p></span></p>
<p><span lang="EN-AU">Thanks very much . . . .<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
lang="EN-AU"> <o:p></o:p></span></p>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
lang="EN-AU">Cheers . . . . . Springfield
Harrison<o:p></o:p></span></p>
</div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
lang="EN-AU"> <o:p></o:p></span></p>
</div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
lang="EN-AU"> <o:p></o:p></span></p>
</div>
</div>
</div>
<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>Qgis-user mailing list<o:p></o:p></pre>
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