For the last few weeks, perhaps longer, there have been ongoing reports of problems with Canada Map Sources. This has affected NR Canada, Toporama, and Canada Base Map.
I have checked their documentation, and we appear to be using their services properly.
Nonetheless, they appear to be unreliable, and the errors returned from them are definitely server errors.We are waiting to hear back from NR Canada, and investigation continues in how we may adapt.
We will post updates to this topic.
NR Canada is in a little bit of denial, saying everything looks good at their end. However, errors such "Database Connection failed (FATAL)" cannot be possibly be on our side.
Are there alternatives?
What can you use if all the Canada sources are getting you down?
Many are happily using OpenCycleMaps from the Worldwide section.
If you are in Western Canada, the Western Canada CanMatrix map is a good choice.
Consider also, these maps from open sources: