.apache.struts2.dispatcher.ng.executeoperations.executeaction(executeoperations.java:77)
.apache.struts2.dispatcher.ng.filter.strutsprepareandexecutefilter.dofilter(strutsprepareandexecutefilter.java:91)
\r
note the full stack trace of the root cause is available in the apache tomcat/7.0.62 logs.