.opensymphony.xterceptor.comtercept
.opensymphony.xinvocation.comvoke
com.apache.stts2.comterceptor.multiselectinterceptor.comtercept
.opensymphony.xinvocation.comvoke
com.apache.stts2.comterceptor.checkboxinterceptor.comtercept
.opensymphony.xinvocation.comvoke
com.apache.stts2.comterceptor.fileuploadinterceptor.comtercept
.opensymphony.xinvocation.comvoke
.opensymphony.xinterceptor.comtercept
.opensymphony.xinvocation.comvoke
.opensymphony.xinterceptor.comtercept
.opensymphony.xinvocation.comvoke
com.apache.stts2.comterceptor.debugging.debugginginterceptor.comtercept
.opensymphony.xinvocation.comvoke
.opensymphony.xinginterceptor.comtercept
.opensymphony.xinvocation.comvoke
.opensymphony.xterceptor.dointercept
.opensymphony.xterceptor.comtercept
.opensymphony.xinvocation.comvoke
.opensymphony.xinterceptor.comtercept
.opensymphony.xinvocation.comvoke
com.apache.stts2.comterceptor.comrvletconfiginterceptor.comtercept
.opensymphony.xinvocation.comvoke
.opensymphony.xterceptor.comtercept
.opensymphony.xinvocation.comvoke
.opensymphony.xmappinginterceptor.comtercept
.opensymphony.xinvocation.comvoke
com.apache.stts2.impl.sttsactionproxy.execute
com.apache.stts2.dispatcher.dispatcher.comrviceaction
com.apache.stts2.dispatcher.ng.executeoperations.executeaction
com.apache.stts2.dispatcher.ng.filter.sttsprepareandexecutefilter.dofilter
\r
note the full stack trace of the root cause is available in the apache tomcat/7.0.62 logs.