Ok, it appears I have fixed this issue. For future reference it seems that the AsyncCallback calls were causing the errors. I basically added 'type' parameters to every AsyncCallback and this solved the issue I was having!
Thanks for your help. On Mar 8, 11:11 pm, "[email protected]" <[email protected]> wrote: > Yes I understand what you are saying but there is only ever one call > to the database. The class making the call to the > selectOrdersBeingPrepared method is on a 15 second timer so I just put > a System.out.println call on the selectOrdersBeingPrepared method to > observe what was happening. It seems that every now and then it > decides to call the method twice, which is obviously the reason it > throws this error. However, I have no idea why it would call the > method twice!! > > Any ideas? > > On Mar 8, 6:11 pm, Lothar Kimmeringer <[email protected]> wrote: > > > [email protected] schrieb: > > > > dc is creates a Database Connector object. I'm not sure why there > > > would be two parallel calls as the connection to the database is > > > closed after every call... > > > Is it a global member of the servlet? If two requests are received > > at the same time, they will use the same connection and the first > > request that finishes, closes the connection, so the second request > > will become very unhappy. > > > Regards, Lothar --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
