[Mini-NDN] [mini-ndn] Failed to read configuration file

[Vince Lehman (vslehman)]

Hi Teng,

Can you first confirm that the file ‘/tmp/a/a.conf’ exists? If so, make sure there are no instances of NFD currently running, remove the folders for each node in the /tmp directory, and then try starting Mini-NDN again.

Another question is how are topologies files generated, manually or by some scripts from minindn? What's the format?

The topologies can be written by hand or by using the GUI. The format is described in docs/CONFIG.md (https://github.com/named-data/mini-ndn/blob/master/docs/CONFIG.md), and the GUI is explained in docs/GUI.md (https://github.com/named-data/mini-ndn/blob/master/docs/GUI.md).

--
Vince Lehman

On Nov 9, 2015, at 1:55 PM, Teng Liang <philoliang2011 at gmail.com<mailto:philoliang2011 at gmail.com>> wrote:

Hi folks,

I failed to run the latest version of mini-ndn (on Linux) with the following errors.

First, mini-ndn tried to copy the nfd configuration file from '/usr/local/etc/ndn/', but failed.

> cp: cannot stat `/usr/local/etc/ndn/nfd.conf.sample': No such file or directory

My configuration files were in '/etc/ndn/'; I tried to copy them to '/usr/local/etc/ndn/' and ran minindn again. Here are the error messages from a.log:

1446853834.224102 FATAL: [NFD] Failed to read configuration file: /tmp/a/a.conf [from ../core/config-file.cpp:94 in void nfd::ConfigFile::parse(const string&, bool)]
1446853889.262472 FATAL: [NFD] Failed to read configuration file: /tmp/a/a.conf [from ../core/config-file.cpp:94 in void nfd::ConfigFile::parse(const string&, bool)]
1446932899.171233 FATAL: [NFD] Socket file at /run/a.sock belongs to another NFD process [from ../daemon/face/unix-stream-channel.cpp:83 in void nfd::UnixStreamChannel::listen(const FaceCreatedCallback&, const ConnectFailedCallback&, int)]
1447003753.226606 FATAL: [NFD] Socket file at /run/a.sock belongs to another NFD process [from ../daemon/face/unix-stream-channel.cpp:83 in void nfd::UnixStreamChannel::listen(const FaceCreatedCallback&, const ConnectFailedCallback&, int)]
1447003833.855714 FATAL: [NFD] Socket file at /run/a.sock belongs to another NFD process [from ../daemon/face/unix-stream-channel.cpp:83 in void nfd::UnixStreamChannel::listen(const FaceCreatedCallback&, const ConnectFailedCallback&, int)]
1447005216.105377 FATAL: [NFD] Socket file at /run/a.sock belongs to another NFD process [from ../daemon/face/unix-stream-channel.cpp:83 in void nfd::UnixStreamChannel::listen(const FaceCreatedCallback&, const ConnectFailedCallback&, int)]

Another question is how are topologies files generated, manually or by some scripts from minindn? What's the format?

Thanks,

Teng
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