When will be the time when we all will be able to find for sure and easily the reason why the project doesn't stop at the project's end?

First make sure that under "options" in the track view you check, "Stop at Project's End". But occasionally I'll find that in tracks with envelopes, sometimes after doing edits and shortening the project, there will be left-over nodes that are hard to see if you put your focus back to the clips view. The project will play until you reach the last node. Sometimes in cases like that I let the project play and watch closely where it stops. Then I can more easily find the object that's causing the song to continue. But if the first thing I mentioned isn't checked, it won't stop anywhere. 

JCody
First make sure that under "options" in the track view you check, "Stop at Project's End". But occasionally I'll find that in tracks with envelopes, sometimes after doing edits and shortening the project, there will be left-over nodes that are hard to see if you put your focus back to the clips view. The project will play until you reach the last node. Sometimes in cases like that I let the project play and watch closely where it stops. Then I can more easily find the object that's causing the song to continue. But if the first thing I mentioned isn't checked, it won't stop anywhere. 

^^^ THIS ^^^

I wrote my thread assuming that Stop at the project's end is checked and that I didn't find anything after the last bar of the project (bar 127), the real end in this project instead is at bar 254!!! And I didn't find really anything in between, no envelope, no nodes, no midi, anything.
The real purpose of my thread is to launch the thousandth request of Sonar users  to solve this very old bug that seems not a priority for Cakewalk.

If you set Sonar to stop at the end of a project, it does. Period.
Every single time I had this happen in my projects, I was able to find some data/event/ghost() between both mesures.
The down side is that you have to look everywhere (and I mean everywhere) to find it. But it's there.
 

lapasoa
The real purpose of my thread is to launch the thousandth request of Sonar users  to solve this very old bug that seems not a priority for Cakewalk.

Besides your thread, the last thread I've seen with this problem was 2012.
Why not upload your project (no audio needed) and let one of us check it out. maybe there is something there you might be missing.

chuckebaby
 
Besides your thread, the last thread I've seen with this problem was 2012.

that is simply not true and i think you know that, really disingenuous actually, a quick (very quick) search shows
 
http://forum.cakewalk.com...39stop39-m3483542.aspx
http://forum.cakewalk.com...Stopping-m3409611.aspx
http://forum.cakewalk.com...p-Solved-m3405480.aspx
 
 all of which are much much more recent than your insinuation, plus there are all the comments about the problem/issue that get piggybacked on some older threads, and then there are those threads which may not turn up for your current search words/criteria. i believe you know and have read just as i have many times recently and in the not to distant past where this issue is raised, or perhaps you have been to busy changing your avatar for the 11teenth time every day and missed them
 
it is raised quite often and regularly, to try and portray that it is not . . . well
 
shame on you
 
whbmn-c

I have one song which never stops at the end, on the first play. But it will stop at the end on subsequent plays. Weird.
No other project I have does that. Even weirder.

I sometimes check the event list when this happens (and it does, regularly, I just don't bother posting about it), is sometimes throws up that there is a rogue controller event somewhere. Doesn't always fix the issues.
 
And, more often than not, it happens on projects that have been shortened, even though I have checked that nothing at all, including automation, occurs after the project end.
 
It's a pity we don't have an option to stop playing at a particular marker... That would work.
 
But I'm not complaining, as such, just saying that the "problem" is still around, for some of us. Generally speaking, when I export a project to audio, all is okay.

slyman
If you set Sonar to stop at the end of a project, it does. Period.
Every single time I had this happen in my projects, I was able to find some data/event/ghost() between both mesures.
The down side is that you have to look everywhere (and I mean everywhere) to find it. But it's there.
 

+1 for Slymans observation. I have had this mysterious problem on a few projects and it is always stray ghost data somewhere.