How To: Debug a Webservice/NAS Session in NAV 2013/NAV2015 and above


Finally! How many hours have I spent debugging sessions without UI with MESSAGEs and ERRORs… The good old days.

If you have done that, like me, then you will probably agree that it was not the most elegant way of finding the source of the problem. Have you ever forgotten to delete a funny MESSAGE after a session debugging with that method and had the client bring it up? I know I have.

In any case, we can finally use the debugger tool incorporated in NAV to debug the sessions without UI. That’s great. And this includes ADCS sessions too!

This is something we have been able to do for a while now, but I did not want to lose the chance of writing a post about it.

How can we do this you might say?

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Changing the definition of a table can lead to data loss in NAV2013R2


Well this is fun.

As the time goes by since the release of NAV2013R2, some bugs have been found. These bugs were not that big of a deal for the most part.

Now, when we get into losing data this is a different story. This means that best case scenario nothing happens and mid-to-worst case scenario you start praying you have an updated backup.


The issue briefly explained consists of:

During the development of NAV, specifically during the modification of a the tables structure of the application, if certain circumstances ocurred, the info contained in that very same table could be lost partially or completely.


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