NIFI-6323 Changed URLs for splunk.artifactoryonline.com to use HTTPS (certificate validity warning in browsers, but command-line connection using openssl s_client is successful).
NIFI-6323 Changed URLs for XMLNS schema locations to use HTTPS (the XMLNS and schema identifier remain http:// because they are not designed to be resolvable).
NIFI-6323 Fixed Maven XML schema descriptor URLs.
This closes#3497
NIFI-5041: fixes http client version issue
Change-Id: I1b87ec4752ff6e1603025883a72113919aba5dd4
NIFI-5041: fixes Kerberos configuration
Change-Id: I868fdf3ea7cfd28cf415164e420f23bf3f6eefeb
NIFI-5041: adds new NOTICE entries
NIFI-5041: yields processor if no session is available, fixes error handling in session manager thread, fixes error returned in KerberosKeytabSPNegoScheme on authentication failure
Change-Id: I443e063ae21c446980087e5464a4b70373d730f6
NIFI-5041: makes the session manager thread exceptions visible to the users
Change-Id: I33fde5df6933cec2a87a4d82e681d4464f21b459
NIFI-5041: adds special SessionManagerException to identify error occurred on session manager thread
Change-Id: I25a52c025376a0cd238f14bda533d6f5f3e5fb4a
This closes#2630
Signed-off-by: Matthew Burgess <mattyb149@apache.org>