Re: [udig-devel] unable to load map

[Jesse Eichar <jesse.eichar@xxxxxxxxxxxxxx>]

That's in the uDig code.  There are a few examples.  One is in the MapEditor file and another is in the CatalogPlugin (or maybe CatalogUIPlugin, I cant remember which for sure).  I think the easiest example to follow is the one in the CatalogPlugin.start method.

On Mon, Apr 20, 2009 at 9:39 AM, andrea antonello <andrea.antonello@xxxxxxxxx> wrote:

> Not sure I understand this.  So on shutodwn you plugin is saving a H2
> database.  And because of this the map file is being corrupted?

Exactly. It is as if the H2 need "too much" time and the project
writing then doesn't write because it has some sort of timeout. The
result is the empty map file.

> Is the process somehow changing the map?

No, for sure not.

> Are you using the same framework that the Map uses?  There is a shutdown
> task framework for timeconsuming shutdown tasks so that the progress bar
> works correctly.  You might want to take a look at that.

Hui, that sounds cool. Where can I find that? Is that from rcp or in
the udig code?

Andrea

>
> Jesse
>
>
> On Sat, Apr 18, 2009 at 10:02 AM, andrea antonello
> <andrea.antonello@xxxxxxxxx> wrote:
>>
>> Holy ship!
>> It was really that. Putting a task to plugin stop is really not safe I
>> assume then.
>>
>> I wonder if there might be similar situations that may trigger a map
>> file corruption.
>>
>> Ciao
>> Andrea
>>
>>
>> On Sat, Apr 18, 2009 at 9:19 AM, andrea antonello
>> <andrea.antonello@xxxxxxxxx> wrote:
>> > Hi all,
>> > I have a question about this. Is it possible that udig is not able to
>> > write the maps down if on shutdown there is a task that is blocking.
>> > For example in Jgrass/BeeGIS we have a H2 database that on shutdown
>> > saves into that last annotations done on map and some gps related
>> > stuff. Is it possible that that one blocks the writing of the map
>> > file?
>> >
>> > Andrea
>> >
>> > On Mon, Apr 6, 2009 at 6:18 PM, andrea antonello
>> > <andrea.antonello@xxxxxxxxx> wrote:
>> >> Hi Emily,
>> >> thanks for the starting point. I will try from that point on. If I am
>> >> able to create a
>> >>
>> >>> Here is my two bits...
>> >>>
>> >>> From what I can tell when a new project or new map is created a new
>> >>> project/map resource is created (see ProjectImpl.createNewResource).
>> >>> This is
>> >>> created when you first create the project/map; and my understanding is
>> >>> that
>> >>> this is where the file name is selected for the project.
>> >>>
>> >>> When uDig is closed these resources are 'saved'.  I think this is done
>> >>> is
>> >>> ProjectPlugin line 153 "resource.save(saveOptions);".  I'm not
>> >>> familiar with
>> >>> the details though.  I also don't have any great insight into why the
>> >>> project file is empty.
>> >>>
>> >>> Do you have a set of steps that would allow me to reproduce this
>> >>> error?
>> >>> Maybe I can help you debug it a bit if I can reproduce it.
>> >>
>> >> I hope I will soon :) your help would be of great value. I'll come back
>> >> on that.
>> >>
>> >> Andrea
>> >>
>> >>
>> >>>
>> >>> Emily
>> >>>
>> >>>
>> >>> andrea antonello wrote:
>> >>>>
>> >>>> Hi udiggers,
>> >>>> I am trying to solve issue 1467, i.e. the odd problem with the
>> >>>> projects not loading after restarting udig.
>> >>>>
>> >>>> There bug report is opened here:
>> >>>> http://jira.codehaus.org/browse/UDIG-1467
>> >>>> but I found the problem NOT being related to that one.
>> >>>>
>> >>>> In fact I wasn't still able to track down where it happens.
>> >>>> The problem is that while the project file (project.uprj) is written
>> >>>> properly in the workspace, the map file ends up to be corrupted
>> >>>> (mapname.umap) and being empty.
>> >>>>
>> >>>> When debugging and producing this error, the debugger doesn't even
>> >>>> pass the code in the bug report above.
>> >>>>
>> >>>> Any better place I might look into to solve this? Where exactly is
>> >>>> the
>> >>>> umap file written?
>> >>>>
>> >>>> Andrea
>> >>>> _______________________________________________
>> >>>> User-friendly Desktop Internet GIS (uDig)
>> >>>> http://udig.refractions.net
>> >>>> http://lists.refractions.net/mailman/listinfo/udig-devel
>> >>>
>> >>> _______________________________________________
>> >>> User-friendly Desktop Internet GIS (uDig)
>> >>> http://udig.refractions.net
>> >>> http://lists.refractions.net/mailman/listinfo/udig-devel
>> >>>
>> >>
>> >
>> _______________________________________________
>> User-friendly Desktop Internet GIS (uDig)
>> http://udig.refractions.net
>> http://lists.refractions.net/mailman/listinfo/udig-devel
>
>
> _______________________________________________
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> http://udig.refractions.net
> http://lists.refractions.net/mailman/listinfo/udig-devel
>
>
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