Passive buffer has already been registered once

[Lincy Elizebeth Jim]

Hi all

I renamed first.cc as tut1.cc and put it in scratch folder 

I did ./waf build

./waf  --run scratch/tut1

i get the message  as given below.

msg=log Component "Passive buffer" has already been registered once.

src/core/model/log.cc line 100

kindly guide me

thanking in advance

lincy

[Tommaso Pecorella]

Hi,

let me understand it straight.

We wrote a tutorial. t is meant as a self-tutoring very first approach to ns-3. There's a full length document and 7 examples to be run along with, demonstrating the stuff explained in the document.

You want a guide in reading the tutorial ?

Something's wrong here.

There's another point that is not right tho. Better, two points.

First, I did what you said (copied first.cc in scratch) and everything works.

Second, we never ever define a log component with a space in it ("Passive buffer").

As a consequence, you did modify BOTH files, and in an inappropriate way.

Start from scratch, revert your changes and understand the tutorial before doing stuff.

Have fun,

T.

[Lincy Jim]

Hi 

I am not the only one with remote desktop access to ns-3  in our university.I can't understand who did accidentally modify any file for the message given below to pop up

msg=log Component "Passive buffer" has already been registered once.

src/core/model/log.cc line 100

All i did was renamed first.cc to tut1.cc

added the following lines of code for net animator before Simulator::Run;

AnimationInterface anim ("animation.xml);

anim.SetConstantPosition (nodes.Get(0),1,2);

anim.SetConstantPosition (nodes Get(0),2,3);

I also added the header file  #include "ns3/netanim-module.h"

I assure you this was working last week without any errors and I could see the net anim ouptput too

Kindly guide

thanking in advance

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[Lincy Elizebeth Jim]

Hi


I resolved the error


lincy