Thank you, that did it!
On 08/07/2013 03:30 PM, Tom Lane wrote:
> Sebastian Kornehl <webmaster(at)sourcebase(dot)org> writes:
>> You might be right, I found some pg_prepared_xacts from 2013-05-23. This
>> was a test with a XA using application, but the application is already
>> offline. There is also no pid available for the given transaction id's.
>> Do you have any idea how to close these xa transactions without
>> restarting the whole db?
> Just use ROLLBACK PREPARED with the ID you see in pg_prepared_xacts.
>
> regards, tom lane