Hi Andre,

        What OS? I've had lots of trouble with Postgres and threads on FreeBSD. Have
you tried starting Zope with '-D' to see if threads are an issue?

-steve

Andre Schubert wrote:
> 
> Hi all,
> 
> I have a problem with my Zope, he hangs unexpectly if i view a special
> Method which generates Diagrams with data from a PostgresDB.
> The data are selected by a timespan( default is 24 Hours ).
> The Method works as descripted bellow:
> 
> First when i call foo, then the HTML-Code is rendered with some
> images-tags, which are generated by selects.
> The image tags are calling the method foo which returns image data.
> 
> If i want my diagrams from 2001-06-01 5:00 to 2001-06-01 12:05
> everything works fine.
> If i want my diagrams from 2001-06-01 5:00 to 2001-06-01 12:10 Zope
> hangs, no exception no log entry, Zope only hangs.
> If i want my diagrams from 2001-06-01 5:05 to 2001-06-01 12:10 which is
> the same timespan as example 1 Zope hangs too, no exception no log
> entry, Zope only hangs.
> 
> If i view the postgres logs the nothing happens.
> 
> Could anyone help me to find the problem or the place Zope is hanging
> 
> thanks as
> 
> P.S.: Exact the same problem occurs when i you another PostgresDA ????
> 
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