Facing Class cast exception where application is trying to cast to the same class.

Issue

• Facing class cast issue, where the application is trying to cast to the same class: xxx.yyy.zzz.PreviousEnquiryStatus cannot be cast to xxx.yyy.zzz.PreviousEnquiryStatus.

2015-09-11 12:55:01,470 ERROR (abc-thread-1869) [xxx.yyy.zzz] ID-apprlxap191-corp-dmz-59268-1441457132364-31-85440 abc:fetch-callback-notify-requests-scheduler-route unexpected exception: xxx.yyy.zzz.PreviousEnquiryStatus cannot be cast to xxx.yyy.zzz.PreviousEnquiryStatus

• So far this bundle was processing the messages fine and this issue pops up suddenly. User had to restart the bundle to fix this issue, then it started working fine again.
• This bundle is deployed in a cluster - 2 instances of JBoss Fuse 6.1