Has anyone had a problem with the new Iphone 5 charger heating up and not charging their phone?

Has anyone had a problem with the new Iphone 5 charger heating up and not charging their phone?

No issues with mine (5S)

No. It will heat up when it is charging, that is a given. Sometimes my wall adaptor get quite hot to the touch but not so much I worry it will cause a fire or damage the phone.