Polling Database No exceptions or errors if DB down.

Question

In my Process I have DB Adapter that polls a table every 2 minutes for any new records. In my Process how do I know if the Database I am polling against is down or not. I tested my Process first with Database up and anytime new record added is picked up. Then I shut down the database but did not get any exceptions or errors from polling prtnerlink in my BPEL console. But looking at the BPEL log it keeps on adding Database poll exception may be the Database is down once the database comes up the polling will resume. But is there a way I send any kind of Notification or something to let the Admin know polling is not working as Database down. If so how can I check this in my process.
Thanks

Answer 1

Hi there,
yes this came up with another customer too so starting in the next release you will be able to:
-see a warning in the bpel console's process log if the database goes down.
-point to a bpel process to handle any polling exception. I.e. the handler process can check the error code and send a notification to an admin.
The workaround is to create a process in an infinite loop, which repeatedly 'invokes' a read on the target database, sending a notification on catching a remote fault. In general you can replace a receive with an invoke inside a loop, as long as you configure the instance to never time out. To kick it off initiate an instance from the bpel console.
For more on never ending processes see this thread:
Start process on polling interval
Sorry we didn't get to this in the first release.
Thanks
Steve