[kepler-dev] I broke Eml200DataSource.

[Jing Tao]

Hi, Kevin:

I thought we had one which has the same data set in workflow/test dir, but 
i double checked and couldn't find it.

After meeting of SD, i fixed the bug and the workflow which has same 
dataset worked. But I am not sure now.

Create this workflow is simple: search for datos and drag the result twice 
into cavals.

Thanks,

Jing

Jing Tao
National Center for Ecological
Analysis and Synthesis (NCEAS)
735 State St. Suite 204
Santa Barbara, CA 93101

On Fri, 6 Jan 2006, Kevin Ruland wrote:

> Date: Fri, 06 Jan 2006 14:20:00 -0600
> From: Kevin Ruland <kruland at ku.edu>
> To: Dan Higgins <higgins at nceas.ucsb.edu>
> Cc: Kepler-Dev <kepler-dev at ecoinformatics.org>
> Subject: Re: [kepler-dev] I broke Eml200DataSource.
> 
>
> Dan,
>
> Thanks.  I was going to build one myself but this will be easier.  I saw
> some obvious problem in the eml200DataSource actor including the dreaded
> busy-wait.  The obvious synchronization points result in deadlocks.  I
> will look at this very carefully and have it fixed shortly.
>
> BTW - does this workflow have two actors using the same datasets?  That
> is another case which we must handle as well.
>
> Kevin
>
>
> Dan Higgins wrote:
>
>> Kevin,
>>     Another workflow to check is " IPCC_BASE_Layers.xml" (in
>> workflows/eco; #16 on the ENM_Workflows html page). This workflow has
>> 10 EMLDataSources. Jing and I spent a lot of time earlier this week
>> getting it to run (prior to your last set of changes) and there were
>> apparently a number of thread issues with 10 datasources opening in
>> separate threads. Jing got it working both from the cache and from
>> Ecogrid, but I haven't tried your new code (since I have been
>> preparing for a training session next week in Albuquerque). So if
>> there are thread problems, they will probably appear in this workflow!
>>
>> Dan
>>
>> Dan
>>
>> Kevin Ruland wrote:
>>
>>> I have this mostly working again.  The GDAL_h1K_NS.xml workflow works
>>> most of the time.  It will always work from cache. There are some
>>> significant threading issues in this class currently.  I am going to
>>> take a close look at them now.
>>>
>>> Kevin
>>>
>>> Kevin Ruland wrote:
>>>
>>>
>>>
>>>> Hi all,
>>>>
>>>> In the recent commits, I ended up breaking the Eml200DataSource
>>>> actor.  Unfortunately, I have not tracked down the problem just
>>>> yet.  I expect  to have it repaired by tomorrow morning.
>>>>
>>>> Sorry for any inconvience.
>>>>
>>>> Kevin
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>>>>
>>>>
>>>>
>>>>
>>>
>>>
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>>
>>
>
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