On Dec 14, 2009, at 12:54 PM, Andrew Lindesay wrote:
Hello Don & Chuck;
I use Oracle with WebObjects. I have not seen this type of error.
What are you trying to do specifically? Do you have any code?
Send me the datatype and field name. How are you trying to manage
the timezone.
We're setting the Oracle host to GMT+0 and the WO server's JVM to GMT
+0 so it should be "GMT+0 clean" right through. The timestamp type
we're using in the model is "TIMESTAMP". I wonder if using
"TIMESTAMP WITH TIMEZONE" type might resolve the issue by not trying
to do any timezone fiddling.
Worth a shot.
The timestamps are being transformed for the user in WOComponents
using a subclass of "java.text.Format" and all processing, web
services and IO inside the WebObjects application is all GMT+0
relative.
When faults fire in EOF, we seem to get the PL/SQL function
"get_tz_transitions" fired (which looks to be a performance
constraint) and it fails with that exception I posted. This appears
to go to stdout and yet the fault is resolved OK from EOF's
perspective. I can only presume it is something going on inside the
Oracle JDBC driver rather than EOF.
Check the data type of the relevant column in the JDBC2INFO. It
might have some definition that is causing Oracle to do this and a
different data type (or value type!) might avoid this.
I deleted that from the model some years ago (after you correctly
suggested it as a remedy to another problem) and it hasn't resurfaced!
EOF fetches it when the first db connection is attempted. Not having
it in the model means it is not cached, not that it is not used. You
will need to dig into the JDBCAdaptor level to get at it.
Chuck
Could it be a driver version / Oracle version mismatch?
I think this is ok.
cheers.
___
Andrew Lindesay
www.lindesay.co.nz
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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