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MS Office Forum / General MS InfoPath Questions / July 2007Infopath cannot connect to data source - Web Service
We have a web service set up to generate an unique ID to be used in an Infopath form. The web service is installed on our sharepoint server 2007 and it can be accessed from multiple computers. However, when we create a new form from the InfoPath form library on Sharepoint we receive the following error: Form template: http://mossdev.dci.com/ind/ddTestReq/Disk%20Drive%20Test%20Lab%20Request%20Form/ Forms/template.xsn The following DataObject either cannot be created or cannot be initialized: NextDDSerialNumber The query cannot be run for the following DataObject: NextDDSerialNumber InfoPath cannot run the specified query. InfoPath either cannot connect to the data source or the service has timed out. Is it a browser form making use of the web service? And how does the web service generate the unique ID? Does it access a database? The error could have many causes, so it's difficult to say what is going wrong, but one of these causes can be denial of access to network resources. --- S.Y.M. Wong-A-Ton > We have a web service set up to generate an unique ID to be used in an > Infopath form. The web service is installed on our sharepoint server 2007 [quoted text clipped - 10 lines] > InfoPath either cannot connect to the data source or the service has timed > out. It is an Infopath form being opened in Infopath. The webservice increments an ID in a text file on a network path. I think it's a security issue, but I've tried several things and nothing seems to work. > Is it a browser form making use of the web service? And how does the web > service generate the unique ID? Does it access a database? The error could [quoted text clipped - 18 lines] > > InfoPath either cannot connect to the data source or the service has timed > > out. I think so too! Did you test the web service independently of InfoPath? Does it work? How are you calling the web service in InfoPath? Through code? --- S.Y.M. Wong-A-Ton > It is an Infopath form being opened in Infopath. The webservice increments > an ID in a text file on a network path. I think it's a security issue, but [quoted text clipped - 22 lines] > > > InfoPath either cannot connect to the data source or the service has timed > > > out. It works as a web service if I'm running it as me from my machine. If I try to access it from another computer, I can navigate to the web service page, but I can't run it. From everything I've read, its got to be related to the text file that has to be written to be the webservice. I've tried giving the application pool the web service runs under, aspnet, computername_User and authenticated users access to the folder to write to it. I can get to the point where it looks like it will work - but then it either gives me the error above or an access is denied error. (I'm not a programmer by training, so this is a bit of a hunt and peck expedition for me...) Thanks for your help! > I think so too! Did you test the web service independently of InfoPath? Does > it work? How are you calling the web service in InfoPath? Through code? [quoted text clipped - 27 lines] > > > > InfoPath either cannot connect to the data source or the service has timed > > > > out. For a non-programmer you know quite a bit. :) You gave permissions on the folder, but how about the file itself? And what OS is the web service running on? If it is running on Win 2003 server, you may want to try giving write permission to the Network Service account if your web service is not impersonating any user account. --- S.Y.M. Wong-A-Ton > It works as a web service if I'm running it as me from my machine. If I try > to access it from another computer, I can navigate to the web service page, [quoted text clipped - 38 lines] > > > > > InfoPath either cannot connect to the data source or the service has timed > > > > > out. I gave permissions for aspnet and network service to the folder and the file. The webservice is running on a Win 2003 server. I've read that you should have the config file impersonate the network service, but I'm not sure how to do that. > For a non-programmer you know quite a bit. :) You gave permissions on the > folder, but how about the file itself? And what OS is the web service running [quoted text clipped - 46 lines] > > > > > > InfoPath either cannot connect to the data source or the service has timed > > > > > > out. If you haven't changed the default user account on the application pool the web service is using, Network Service should be the default account being used on a Win 2K3 server box. So you need not impersonate the Network Service account. However, if you want to let the web service run under a different account than the Network Service account, you can set this on the application pool or impersonate a user in the web.config of the web service using the <identity> element (see http://support.microsoft.com/kb/315736). Another question: Is anonymous access enabled on your web service? If it isn't and you're calling the web service from code, you need to specify valid credentials to access it. --- S.Y.M. Wong-A-Ton > I gave permissions for aspnet and network service to the folder and the file. > The webservice is running on a Win 2003 server. I've read that you should [quoted text clipped - 51 lines] > > > > > > > InfoPath either cannot connect to the data source or the service has timed > > > > > > > out. |
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