Fuse Documentation [1] and [2] describes Apache Spark as supported component. We should remove this from supported component list in doc[1].
Link[2] should clearly mention that it is not supported component in Karaf container.

[1]https://access.redhat.com/documentation/en-us/red_hat_jboss_fuse/6.3/html/apache_camel_component_reference/comprefintro#Intro-ComponentsList
[2]https://access.redhat.com/documentation/en-us/red_hat_jboss_fuse/6.3/html/apache_camel_component_reference/IDU-ApacheSpark