[kepler-users] Bug on component Database query

Dan Higgins higgins at nceas.ucsb.edu
Mon May 7 11:23:48 PDT 2007


Go to

http://knb.ecoinformatics.org/software/metacat/metacat.html

Then click on the 'Open Bugs' link to go to Kepler/Bugzilla

Dan Higgins
NCEAS

Felipe Albrecht wrote:
> Hi,
> I also noticed this bug and another minors bugs on save/load processes.
> Kepler has a bug manager, like bugzilla, or a todo page?
> Some bugs look easy to solve, but I dont know if other person are working on it.
>
> Thanks
>
> Felipe Albrecht
>
> On 5/7/07, Efrat Frank <efrat at sdsc.edu> wrote:
>   
>> Hi Vinicius,
>>
>> We are aware of this problem and came up a while back with several
>> solution ideas such as caching the metadata or storing it in a local/
>> remote repository. Changing the schema format, though, also requires
>> changes in the query builder. Due to tight schedules and higher
>> priorities we never had the time/man power to get to it. We always
>> look forward to new Kepler contributors and would be happy if someone
>> could dig into it.
>>
>> Cheers,
>> Efrat
>>
>> On May 6, 2007, at 2:35 PM, Vinicius Von Held wrote:
>>
>>     
>>> Hi,
>>>
>>> I´ve just begun to use kepler and I guess I´ve found a bug with the
>>> databases components. I use  'open database connection' and
>>> 'database query'  to access a postgres database. The connection
>>> works well and I can run queries normally. The problem happens when
>>> I try to save the kepler model. I figured out that it happens
>>> because of the size of the component 'database query', which it´s
>>> big, due to the fact that it contains ALL the database schema in
>>> it, written  in XML format. The database schema is pretty large
>>> ( the script file worn to generate the bank had more than 200 Mb).
>>> I would expect that saving this file would take a while due the
>>> component´s (big) size, but actually it takes forever: the
>>> processor begins to run at 100% and the busy memory raises
>>> continously, till I kill the java process (ctrl+alt +del the click
>>> on 'terminate process' button). So, I can build a workflow and even
>>> execute it, but I cannot save it.
>>>
>>> Have anyone noticed this bug? Is there any way to solve it? Or
>>> maybe another component to take place the database query component?
>>>
>>> Regards,
>>> Vinicius Von Held
>>>
>>>
>>>
>>> _______________________________________________
>>> Kepler-users mailing list
>>> Kepler-users at ecoinformatics.org
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>>> kepler-users
>>>       
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>>     
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-- 
*******************************************************************
Dan Higgins                                  higgins at nceas.ucsb.edu
http://www.nceas.ucsb.edu/    Ph: 805-893-5127
National Center for Ecological Analysis and Synthesis (NCEAS) Marine Science Building - Room 3405
Santa Barbara, CA 93195
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