Hello Responders,
Thanks very much for your suggestions and comments. Very helpful.
I must say though that the last few comments have again underscored my
nervousness about changing anything that isn't completely broken.
Firstly, why are there two installation processes and what is the
purpose of each? This implies making a choice after learning about the
benefits and disadvantages of each. What are the criteria for choosing
one over the other? How long is the process of understanding the options?
Secondly, there seems to be no great consensus over the possibility (or
not) of conflicts between simultaneous installations. Again, this makes
me nervous.
Thirdly, why are some operators running two or three simultaneous
installations? Does this mean that the latest version is not adequate
for some tasks?
All these things give me pause and discourage me from wading in to
something that may have a lengthy learning curve and an unpredictable
outcome. In this case, the devil you know definitely seems to be a
worthy rule of thumb. At least, until it fails utterly.
In that regard, I discovered that at some point I had installed 2.8.1
and, remarkably, it would load my ostensibly corrupt configuration
file. I appear to be back in business.
However, this version still bogs down upon loading the various layers
but does not fail after the delay. There are about 100 layers, mostly
vector.
Anyway, not sure if this is particularly helpful but is my current
thinking on the upgrading process.
Thank you all again for your assistance…
Cheers . . . . . Spring Harrison
On 08-Jun-2018 06:25, DelazJ wrote:
Hi,
Years that I'm using the osgeo4w installer (advanced install) with
three concurrent releases minimum (ltr, current release, dev, and
sometimes ltr-dev) and I can't recall on any issue I got due to this
situation.
And afaics there's nothing to be particularly careful of, it's just
about click click click process and all got installed in the
c:\osgeo4w64 folder.
Just wanted to share my experience.
Regards,
Harrissou
2018-06-08 13:49 GMT+02:00 Philip Barlow
<[email protected]
<mailto:[email protected]>>:
AFAIK if you install QGIS with the standalone installer that just
puts the application and everything it needs into a folder in
program files. You may encounter issues if you installed multiple
versions with the osgeo4w installer if you aren’t careful.
*From:*Qgis-user [mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of *Patrick
Dunford
*Sent:* 08 June 2018 11:01
*To:* qgis-user ML
*Subject:* Re: [Qgis-user] Unable to load project
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.
On 08/06/18 20:11, Philip Barlow wrote:
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.
Phil
*From:*Qgis-user [mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of
*Patrick Dunford
*Sent:* 08 June 2018 05:02
*To:* qgis-user ML
*Subject:* Re: [Qgis-user] Unable to load project
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.
On 08/06/18 07:38, Springfield Harrison wrote:
hello Patrick, thanks for your ideas. I will try the no
plugins option.
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.
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?
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.
can I expect any difficulties installing 3.0 +?
Cheers . . . . . Spring
Samsung Tab 4
On Jun 7, 2018 1:30 AM, "Patrick Dunford"
<[email protected] <mailto:[email protected]>>
wrote:
Thre are a number of troubleshooting steps to try out
1. Start up qgis using the -noplugins switch or remove all
installed plugins or test removing one at a time.
2. Backup the config file and start with a new empty config.
Qgis 2.10 is well out of support, is there any reason you
can't migrate to 3.0?
On 07/06/18 18:28, Springfield Harrison wrote:
hello Phil,
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.
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.
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.
Some older project files do load successfully however...
Cheers . . . . . Spring
Samsung Tab 4
On Jun 6, 2018 11:15 PM, "Phil Wyatt"
<[email protected] <mailto:[email protected]>>
wrote:
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?
*From:*Qgis-user
[mailto:[email protected]
<mailto:[email protected]>] *On Behalf
Of *Springfield Harrison
*Sent:* Thursday, 7 June 2018 1:36 PM
*To:* [email protected]
<mailto:[email protected]> List
*Subject:* [Qgis-user] Unable to load project
Hello All,
Bad News. I am unable to load a project that normally
works with no problems:
1. QGIS 2.10.1, Windows 7.
2. Project starts to load, loads many layers . . .
3. halts loading "point Entity", a DXF file
4. the DXF file was renamed to trigger the Handle Bad
Layers service
5. this was bypassed but project loading still fails
to complete, cursor spinner on constantly
6. exiting with Save triggers "Unknown Exception"
7. the project file is trashed to 0kb
8. Exiting without Save is OK but no project can be
loaded
9. Restoring previous project file versions yields
the same results
10. Loading some other projects works but may have
cursor spinner
Any ideas what is going on here? I have rebooted the
computer.
Thanks very much . . . .
Cheers . . . . . Springfield Harrison
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