Stange error message on pristine default installation (on RHEL 6) whenever accessing using client script.

Issue

• Got:

[local_erms@fr50mqvt002 bin]$ ./client activemq:dstat
Logging in as admin
2105 [sshd-SshClient[573f2bb1]-nio2-thread-1] WARN org.apache.sshd.client.keyverifier.AcceptAllServerKeyVerifier - Server at [/0.0.0.0:8101, DSA, 31:af:7b:9d:7d:d0:53:ed:04:21:98:5a:1a:82:0c:e4] presented unverified {} key: {}

• This behavior is even displayed verbatim in 'Red Hat JBoss A-MQ 6.3 Installation Guide' (top of page 8), but with no indication whatsoever about how to fix it!