Could not create logging file error

Problem

I tried to train a model using Caffe on a remote computer. The training proceeded without any problems, but this error would show up in the console output occasionally:

Could not create logging file: No such file or directory
COULD NOT CREATE A LOGGINGFILE 20170221-111719.33617!I0221 11:17:19.399444 33617 solver.cpp:243] Iteration 86860, loss = 3.38734

Solution

This error turned out to be from GLog, the Google logging module. Caffe uses GLog for its logging. On this particular remote computer, the GLOG_log_dir environment variable had been set, but to a non-existent path! This was the reason GLog was complaining. Once I removed this environment variable and restarted the training, I no longer saw the error.

Tried with: Ubuntu 14.04

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