influx should gracefully fail if it doesn't have permissions to write to it's log file

[sanga]

[09/18/14 12:42:25] [INFO] Loading configuration file /etc/influxdb/config.toml
FileLogWriter("/var/log/influxdb/influxdb.log"): open /var/log/influxdb/influxdb.log: permission denied
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x0 pc=0x4e35ae]

This is against 0.8.2. I can include the stack if you like, but I assume this is trivial to reproduce locally

[href]

I had this problem as well. What's worse is that the process would just hang on queries (but not on writes) and I would see nothing in the logs.

So to add to this, it might be good to check for the right permissions when the server starts, so a faulty server configuration can be fixed early on.