phone 983-651-5611
Home > Access Violation > Access Violation Webservice Delphi

Access Violation Webservice Delphi

D7 was not DEP-aware, and RIO-based components allocate memory for executable code without marking it as executable to keep DEP happy. But, when I use the ApplicationPoolIdentity as the identity for the Application Pool for my application, I get an access violation when I try to access one of the SOAP methods. I had to add the "Application.ProcessMessages" function in your code after calling the WebService. end; > end; > > As you see, the access violation exception - without any usable > informations - comes, when I call the function declared by the > webservice. http://twaproductions.com/access-violation/debug-access-violation-delphi.html

Connect with top rated Experts 18 Experts available now in Live! Great for personal to-do lists, project milestones, team priorities and launch plans. - Combine task lists, docs, spreadsheets, and chat in one - View and edit from mobile/offline - Cut down This is built around the Delphi HTTPRIO object. I've included a screenshot of this. http://stackoverflow.com/questions/15250097/delphi-7-web-service-call-and-access-violation

That's almost always the most important thing in the error log: it tells you exactly what was going on when the exception was raised. If you are experiencing a similar issue, please ask a related question Suggested Solutions Title # Comments Views Activity Coova-Chilli can't work with URL using HTTPS! 3 131 127d Coldfusion- Create I pressed F8 for a while and the access violation occured.

It seems to be a memory problem of some sort. Cheers Jim Ottley Ottley Software "Patrick Paquette" writes Quote Hi, I installed a new PC, Windows 2003 Server Standard Edition SP2. Which line does it occur in? I would be very grateful for any help.

more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed and my delphi version is delphi7 , the program is a single client exe "wpf д " > > Hi, > > > > Unfortunately don't found any note or solution Why is modular arithmetic defined as a "similarity" and not an operation? http://www.delphigroups.info/2/6/346025.html I can create the SOAP object just fine but when I try to access one of the SOAP methods, I get the access violation.

Delphi 2005 error on help5. Reply Posted: Oct 28, 2014 11:32 PM in response to: Remy Lebeau (Te... These articles all suggest patching RIO.pas in a similar way. Coup: Can you assassinate yourself?

I have no experience of Citrix so can anyone suggest any reasons why a web service that runs quite happily on Windows will not run on Citrix. 0 Comment Question by:ashdata Before it was inside the DLL, I had all the code inside the main project, but it crashed my program: if I would validate a document, the response would come, but I’ve disabled DEP (Data Execution Prevention) on every computer involved and I’ve also tried the updated WSDL importer from this download: http://cc.embarcadero.com/Item/24535. (I have however not been able to follow the I also tried loading the DLL dinamically, so the validation process would "start from scratch" at each run, but it was useless.

How to enable PHP in body field? have a peek at these guys información - when to use which? I'm sure this is a permission issue but I have no idea what to do to resolve it. Nuno Picado EDIT: I should probably mention what I'm using to access the webservice: - THTTPReqResp and WinINet for the communication - IXMLDocument to create the SOAP Envelope - LibEay32 to

This almost always means one of three things: You're trying to read the value of an object whose value is nil, you're trying to call a virtual method on an object The .net webservice works fine, when calling from elsewhere. Join Now For immediate help use Live now! check over here How can I solve it?

I expect that after hours of inactivity, the server may be giving an empty response or is timing out. Hmm...everything seems right. The WSDL is > > imported using the Delphi's WSDL importer, the unit is created correctly > > (Delphi 6, update pack 2).

Actually, I have two answers there, but the one of interest is the RIO OnAfterExecute handler.

There wasn't anything blatantly obvious from what I could tell. The WSDL is > imported using the Delphi's WSDL importer, the unit is created correctly > (Delphi 6, update pack 2). PHP Web Development Web Languages and Standards Scripting Languages Advertise Here 592 members asked questions and received personalized solutions in the past 7 days. It's impossible to solve your problem without any information.

end; end; As you see, the access violation exception - without any usable informations - comes, when I call the function declared by the webservice. asked 3 years ago viewed 1612 times active 2 years ago Related 334SOAP or REST for Web Services?453How to call a SOAP web service on Android6Delphi 2007 generating incorrect SOAP messages4101How If so, try if you can find out where it originates by setting breakpoints. this content Implementing realloc in C How do you remove a fishhook from a human?

George Back to Thread List Legend Helpful Answer (5 pts) Correct Answer (10 pts) Server Response from: ETNAJIVE02

Copyright© 1994 - Find the place in your code that corresponds to the top of the stack trace. share|improve this answer answered Mar 6 '13 at 15:49 Chris Thornton 12.8k32452 add a comment| up vote 0 down vote I went through a similar problem, and I suggest that you Marko screenshot.jpg 0 Message Author Comment by:maalaht ID: 213996972008-04-21 Does anyone know a simple "Hello World" type of public web service that I could test with my delphi app? 0

I found post about the same probleme on other newsgroup, but no answer was given. Graham Harris Delphi Developer 2007-05-26 04:06:14 PM Re:HttpRio Access Violation Hello Bruneau, Quote Indeed DEP was an issue with earlier versions of the runtime. And you can actually build defensive code in here. Join the community of 500,000 technology professionals and ask your questions.

The problem is, if I create another document, when I try to validate it I get an "Access Violation at 0x07e7bcb5: read of address 0x00000012". And you'll see this in the XML you get in the 'OnAfterExecute' method. I hope, you can help me based these informations. For example, if the response is empty, you could swap in some other XML that represents a SOAP fault exception.

Thanks anyway. 0 Featured Post How your wiki can always stay up-to-date Promoted by Quip, Inc Quip doubles as a “living” wiki and a project management tool that evolves with your What is plausible biology of ocean-dwelling, tool-using, intelligent creatures? I've included Delphis event info as txt-file.