...A connector may be "up and running" but actually it has not sent a single event in weeks.
Also, many single connectors collect events from multiple locations (multi database, multi file, WUC) and we might never know one of these locations is unavailable as events from the other locations are arriving so the connector seems to be working fine.
Eventually, when we do understand that something is wrong, it takes a while to analyze, understand and solve.
In light of these problems in the process of error detection in connectors, I have developed is an automated tool named 'We! ...