[BonnMotion] Bonnmotion related Error while running

[Alexander Bothe]

Dear Sakshi,

both, RandomStreet and MSLAW are map-based mobility models, which
require you to specify a scenario bounding box using GPS coordinates
(-B), a fitting OpenStreetMaps file for position generation (-o), and
the URL of a running Open Source Routing Machine (OSRM) instance
(v4.8.1) for the same area (-u).

Details can be found in the documentation included with your downloaded
BonnMotion version. Alternatively, it is available online at:
https://sys.cs.uos.de/bonnmotion/doc/README.pdf

Furthermore, it might be advisable to increase the stack/heap size for
your Java virtual machine, e.g., by altering the respective parameters
in your bin/bm shell script (-Xmx/-Xss).

Kind regarads,
 Alexander

-- 
University of Osnabrück         Tel.:   +49-541-969-7165
Institute of Computer Science   Fax:    +49-541-969-2799
Wachsbleiche 27  Room: 50/402a  E-mail: bothe at informatik.uos.de
D-49090 Osnabrück, Germany      https://cs.uos.de/bothe/

On 03.09.20 13:35, sakshi garg wrote:
> Dear Sir/Madam,
> 
> First of all, I want to thank the developers for such a wonderful
> platform to test the mobility models at the best. Secondly, I want to
> bring this to your notice that I am trying to simulate RandomStreet,
> SLAW and MSLAW using bonnmotions but it is throwing this error:
> 
> *user at instant-contiki:~/bonnmotion-3.0.1/bin$ ./bm -f test1 RandomStreet
> -d 3600 -n 10 -x 100 -y 100 -p 60 -s 20 80 -g 90
> BonnMotion 3.0.1
> 
> OS: Linux 3.2.0-51-generic-pae
> Java: Oracle Corporation 1.7.0_25
> 
> 
> Starting RandomStreet ...
> DEBUG: maxPause = 60.0
> DEBUG: minSpeed = 20.0, maxSpeed = 80.0
> DEBUG: transformation (proj4): +proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0
> +a=6378137 +b=6378137 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs
> java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
> at edu.bonn.cs.iv.bonnmotion.run.BM.go(BM.java:267)
> at edu.bonn.cs.iv.bonnmotion.run.BM.main(BM.java:296)
> Caused by: java.lang.NullPointerException
> at edu.bonn.cs.iv.bonnmotion.MapScenario.preGeneration(MapScenario.java:423)
> at
> edu.bonn.cs.iv.bonnmotion.models.RandomStreet.preGeneration(RandomStreet.java:191)
> at
> edu.bonn.cs.iv.bonnmotion.models.RandomStreet.generate(RandomStreet.java:77)
> at edu.bonn.cs.iv.bonnmotion.models.RandomStreet.go(RandomStreet.java:72)
> at
> edu.bonn.cs.iv.bonnmotion.models.RandomStreet.<init>(RandomStreet.java:66)
> ... 6 more
> 
> Error:
> Error in RandomStreet*
> *
> *
> I can't find a way to resolve it. I want the results urgently as I am
> working on my PhD research. I tried my best to solve it. Pls guide me as
> to what has to be done to correct it. I am eagerly waiting for your
> response. I hope my query will be resolved soon.  
> -- 
> /Thanks and regards,/
> */Sakshi Garg [B.Tech, M.Tech, CCNA R&S]/*
> /Specialisation// in Computer Networks & Information Security/
> /Department of Computer Science and Engineering, /
> /Assistant Professor, IMSEC, U.P.
> /
> /PhD Scholar, ASET, Amity University, U.P./
> /Contact: 9634715392/
> /Email: sakshijyotigarg at gmail.com <mailto:sakshijyotigarg at gmail.com>/
> /ORCID: 0000-0001-6467-9065/
> 
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