Debugging web services

Cem_Karaer

Hello,

I only want to debug the Dynamics NAV web services. It is impossible to select the web service session in the "Debug Session" form to debug as shown in the screenshot (#1).



The only way to catch a error raised in the web service seems to debug next but unfortunately it repeatedly catches the errors raised by NAS as shown in the screenshot (#2).



Because the TryFindNextJobQueueEntry is an try-function, I don't want to change its structure (using IF in the FINDFIRST expression) to supress the error.

Debugging NAS is disabled in the NAV administration page as shown in the screenshot (#3).



I am in desperate situation what is the solution?

zohaibu95@hotmail.com

If you want to debug the webservice only then put the break point on the object you have exposed via webservice.
Activate the debugger on the Windows client session.
Send the request via Browser/Client.
Once the break point will hit it you are able to debug it.

Hope this helps.

zohaibu95@hotmail.com

This link will also help you:

https://community.dynamics.com/nav/b/code4nav/archive/2015/08/17/how-to-debug-a-webservice-nas-session-in-nav-2013-nav2015-and-above

Cem_Karaer

Hello Zohaib, thank you for your interest. But it doesn't work. I set necessary breakpoints but the "Debug Next" only breaks at errors created by NAS.

NixPt

The debug next work's, go the codeunit/Page put a breakpoint and call the webservice. The #1 Screen is ok just need to be debug next. Make sure is that user that does the call.

kylehardin

Debug Next is the only way to debug a web service. The sessions and very fleeting, so you won't see them in time in the session list. That having been said, your best bet is to move web services to its own NAV Service Tier (this is a good idea anyway), and only offer SOAP, ODATA, and Client Services. The Client Services part is required to be able to connect your Dev client to the correct NST for debugging. But not having any pesky users or NAS tasks going will greatly simplify your debugging.

Keinier

When you are debugging a web service, is so great to disable the NAS tasks, to do this you must:

1. Open the Microsoft Dynamics NAV Server Console and stop the instance that you need to debug.
2. Then, edit its settings, go to NAS Service fasttab and erase the field "Startup codeunit". (this will avoid the recurrent message of codeunit 480).
3. So, Start your Microsoft Dynamics NAV Instance
4. Open your debug tool, and select Debug Next option on the ribbon.
5. The web service will be stopping in your breakpoint.

Important to be careful with the configuration of the instance, any mistake could be fatal.

Cheers,