I had a strange issue where I previously able to successfully setup a couple of Sitecore Commerce 8.2.1 initial release instances then suddenly creating a new instance keeps failing.
To be exact, it was failing when trying to install Sitecore Commerce Server Connect.10.0.70.update package through the Sitecore update installation wizard page, it just keeps loading indefinitely. Changing the Sitecore log files to DEBUG mode and checking the Windows event log file doesn’t reveal anything. I do notice that memory consumption for the W3WP process is absurdly high in my local machine and it seems like something went wrong.
True enough, after debugging the W3WP process it reveals that the process throws a StackOverflow exception which stems from NewRelic Agent process that I’ve installed yesterday. Uninstalling the NewRelic Agent seems to fix this issue and I’m able to continue with the packages installation per normal.