Additional symptoms may be high CPU spikes on the CUCM providing AXL services to the BOC server.
There seems to be a known issue in Tomcat which is fixed in a newer versions
https://bz.apache.org/bugzilla/show_bug.cgi?id=52511
Currently, we are recommending the removal of KB3161608 followed by applying any other remaining Microsoft updates.
UPDATE: KB3172605 appears to replace KB3161608 and has the same issues.