org.apache.struts2.dispatcher.ng.executeoperations.executeaction(executeoperations.java:77)
org.apache.struts2.dispatcher.ng.filter.strutsexecutefilter.dofilter(strutsexecutefilter.java:93)
org.springframework.web.filter.characterencodingfilter.dofilterinternal(characterencodingfilter.java:88)
org.springframework.web.filter.onceperrequestfilter.dofilter(onceperrequestfilter.java:76)
.chineseall.base.interceptor.holefilter.dofilter(holefilter.java:58)
org.apache.struts2.dispatcher.ng.filter.strutspreparefilter.dofilter(strutspreparefilter.java:91)
note the full stack trace of the root cause is available in the apache tomcat/7.0.70 logs.