org.apache.struts2.impl.StrutsActionproxy.execute(StrutsActionproxy.java:52)
org.apache.struts2.dispatcher.dispatcher.serviceAction(dispatcher.java:485)
org.apache.struts2.dispatcher.ng.Executeoperations.executeAction(Executeoperations.java:77)
org.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.