Kerberos configuration done in jboss-eap 6.2 but facing an issue while using the same.

Error in server logs: [org.jboss.security.auth.spi.AbstractServerLoginModule] (http-/0.0.0.0:8080-2) Unsupported negotiation mechanism 'NTLM'.

War file exists at location: https://github.com/kwart/spnego-demo

Attached is the standalone.xml and krb5.conf file.