[kepler-users] Bug on component Database query

Felipe Albrecht felipe.albrecht at gmail.com
Mon May 7 11:10:48 PDT 2007


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
> >
> >
> >
> > _______________________________________________
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> > Kepler-users at ecoinformatics.org
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>
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