BPM and database interaction

I am writing my thesis on processes and use the OBPM product.
I need to connect it to an external database. I managed to make some steps towards this goal, but the big picture is missing.
Can anyone show me a documentation on this topic or help me directly?
Thanks in advance
Edited by: bpmL on Feb 2, 2009 3:13 AM

I need help with this. I tried to make my BPM object to fill one pull-down list from Oracle database and I just don't get it to work. I get a java nullpointerexception.
The weird thing is that when I debug the method, it works fine. But when I open the presentation in workspace, it just gices out the nullpointerexception. How can it work in debug but not when run in workspace?
The code is this:
listValues as String[String]
externalResource as String
sql as String
externalResource = "tuotaDB"
sql = "SELECT DISTINCT TYOKAN.TUN AS TUN, " +
"TYOKAN.SELI1 AS SELI1 FROM TYOKAN, TYO_KP WHERE TYO_KP.TUN = TYOKAN.TUN " +
"AND TYOKAN.TUN IS NOT NULL AND TYOKAN.SELI1 IS NOT NULL "
for each row in DynamicSQL.executeQuery(sentence : sql, implname : externalResource) do
listValues[String(row["TUN"])] = String(row["SELI1"])
end
return listValues
The name of the Oracle database external resource is tuotaDB and the name of the catalog item is TUOTA. I have imported the tables mentioned above into that cactalog.
This is part of the error messages that I get:
exception occurred running controller: fuego.xobject.runtime.components.XOInputController
javax.servlet.ServletException: exception occurred running controller: fuego.xobject.runtime.components.XOInputController
The task could not be successfully executed.
Reason: 'java.lang.NullPointerException'.
Caused by: java.lang.NullPointerException
fuego.lang.ComponentExecutionException: The task could not be successfully executed.
Reason: 'java.lang.NullPointerException'.
Caused by: java.lang.NullPointerException
at fuegoblock.sql.DynamicSQL.executeQuery(DynamicSQL.java:316)
at fuegoblock.sql.DynamicSQL.executeQuery(DynamicSQL.java:93)
Error workspace-1247845516304
The task could not be successfully executed.
Reason: 'java.lang.NullPointerException'.
Caused by: java.lang.NullPointerException
fuego.lang.ComponentExecutionException: The task could not be successfully executed.
Reason: 'java.lang.NullPointerException'.
So, what have I done wrong? There are several different ways to write that code as mentioned already in this thread, but the results are the same. If I comment out the line adding values into list then the script goes through fine. But the script goes through fine in debug mode also, but not when run in workspace.
Please, help me, I have spend a lot of hours into this...

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Message Edited by mattias@hv on 10-23-2007 07:50 AM
Attachments:
front panel 2.JPG ‏101 KB
block diagram.JPG ‏135 KB

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