[ndnSIM] Failed to register prefix in local hub's daemon

[Anil Jangam]

Hi,

I am testing a scenario of NLSR simulation and hitting an exception in
ndnSIM. I searched for the error in the past learned that I need to start
the NFD and NRD processes, but that suggestion was in case of real
applications. What is the cause of this in the simulation setup?

Am I missing any environment setup, which is leading to this error?

4.227s ndn-cxx.Face:expressInterest(): >> Interest: /ndn/NLSR/sync/00
4.227s ndn-cxx.Face:expressInterest(): >> Interest: /ndn/NLSR/sync/00
4.227s ndn-cxx.Face:expressInterest(): >> Interest: /ndn/NLSR/sync/00
8.487s ndn-cxx.Face:expressInterest(): >> Interest: /ndn/NLSR/sync/00
8.487s ndn-cxx.Face:expressInterest(): >> Interest: /ndn/NLSR/sync/00
8.487s ndn-cxx.Face:expressInterest(): >> Interest: /ndn/NLSR/sync/00
10s HelloProtocol:scheduleInterest(): Scheduling HELLO Interests in 5
seconds
10s HelloProtocol:scheduleInterest(): Scheduling HELLO Interests in 5
seconds
10s HelloProtocol:scheduleInterest(): Scheduling HELLO Interests in 5
seconds
ERROR: Failed to register prefix in local hub's daemon
terminate called after throwing an instance of 'nlsr::Nlsr::Error'
  what():  Error: Prefix registration failed

Program received signal SIGABRT, Aborted.
0x00007fffe99cccc9 in __GI_raise (sig=sig at entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
56    ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.

/anil.
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