Misleading error message.
(cherry picked from commit e4c5c7104206536c80379ce18ec640f56b7dba74)
[FIXED JENKINS-25937] Treat BadPaddingException as an unloadable key and continue.

(cherry picked from commit 6318b8d800abdf8b280f4e1b8ce8bf22e49242ad)

Conflicts:
	changelog.html