Dear all I fixed it. The problem is misusing strcpy. However it also reveals an issue of Omnet++/Veins/SUMO: Sometimes the Omnet++ simulation Qtenv somehow crashes but prints no meaningful message
On Thu, Apr 7, 2022 at 2:55 AM Thanhnt Nguyen <[email protected]> wrote: > Good news > By setting each C statement to comment, I get the reason of crash: > char *ret = strcat(cstr, new_str); > both cstr and new_str are two arrays of char. > The statement is available in line 76 of RSUControlApp as well as line 123 > of VehicleControlApp. If I delete these lines, the simulation could run to > the end. > > However, I don't understand why Omnet++ crashes while only running instead > of debugging. > > On Wed, Apr 6, 2022 at 5:56 PM Thanhnt Nguyen <[email protected]> > wrote: > >> Dear all, >> From now on, I know how to build my own project for simulating traffic. >> However, I get stuck on a new small problem. >> The purpose of my project is very simple: every car periodically sends >> messages to RSU and other cars. RSU replies immediately, other cars don't >> respond. >> All messages are in TraCIDemo11pMessage format >> The problem is that: my project crashes very quickly and as usual, >> Omnet++ IDE reports only "Finished with Error" - no sense at all. >> Ironically, as debugging, the simulation could finish without any error >> I could not identify the bug and how to fix it. >> >> My project is located here: https://github.com/bkhnk48/tutorials >> If you can't install my project, this video >> <https://www.youtube.com/watch?v=mGvhbrw05sQ> could help >> >> > > -- > Nguyen Tien Thanh > Department of Software Engineering > School of Information and Communication Technology (SoICT, > http://www.fit.hut.edu.vn) > Hanoi University of Technology (HUT, http://www.hut.edu.vn) > 1 DaiCoViet Road, Hanoi, Vietnam > Tel: +84-4-8682595/8683730 Fax +84-4-8692906 > Mobile: +84987768886 > E-mail: [email protected] > [email protected] > [email protected] > Website: www.fit.hut.edu.vn/~thanhnt > <http://www.fit.hut.edu.vn/%7Ethanhnt> > -- Nguyen Tien Thanh Department of Software Engineering School of Information and Communication Technology (SoICT, http://www.fit.hut.edu.vn) Hanoi University of Technology (HUT, http://www.hut.edu.vn) 1 DaiCoViet Road, Hanoi, Vietnam Tel: +84-4-8682595/8683730 Fax +84-4-8692906 Mobile: +84987768886 E-mail: [email protected] [email protected] [email protected] Website: www.fit.hut.edu.vn/~thanhnt <http://www.fit.hut.edu.vn/%7Ethanhnt>
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