description the server encountered an inteal error that prevented it from fulfilling this request.\r

exception java.lang.arrayindexoutofboundsexception: 155 coba.fastjson.serializer.serializewriter.writestringwithdoublequote(serializewriter.java:868) coba.fastjson.serializer.serializewriter.writestringwithdoublequote(serializewriter.java:602) coba.fastjson.serializer.serializewriter.writestring(serializewriter.java:1366) coba.fastjson.serializer.stringcodec.write(stringcodec.java:49) coba.fastjson.serializer.stringcodec.write(stringcodec.java:34) coba.fastjson.serializer.mapserializer.write(mapserializer.java:188) coba.fastjson.serializer.jsonserializer.write(jsonserializer.java:369) coba.fastjson.json.tojsonstring(json.java:418) coba.fastjson.json.tojsonstring(json.java:406) coe(action.java:68) sun.reflect.generatedessor38.invoke(unknown source) sun.reflectlegatingpl.invoke(unknown source) java.lang.reflectthod.invoke(unknown source) .opensyctioninvocation.invokeaction(defaultactioninvocation.java:452) .opensyctioninvocation.invokeactiononly(defaultactioninvocation.java:291) .opensyctioninvocation.invoke(defaultactioninvocation.java:254) .opensymphony.xwork2.interceptorfaultworkflowinterceptor.dointercept(defaultworkflowinterceptor.java:176) .opensyethodfilterinterceptor.intercept(methodfilterinterceptor.java:98) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensytor.validationinterceptor.dointercept(validationinterceptor.java:263) org.apache.struts2.interceptor.validation.annotationvalidationinterceptor.dointercept(annotationvalidationinterceptor.java:68) .opensyethodfilterinterceptor.intercept(methodfilterinterceptor.java:98) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.interceptor.conversionerrorinterceptor.intercept(conversionerrorinterceptor.java:133) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.interceptor.parametersinterceptor.dointercept(parametersinterceptor.java:207) .opensyethodfilterinterceptor.intercept(methodfilterinterceptor.java:98) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.interceptor.parametersinterceptor.dointercept(parametersinterceptor.java:207) .opensyethodfilterinterceptor.intercept(methodfilterinterceptor.java:98) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.interceptor.staticparametersinterceptor.intercept(staticparametersinterceptor.java:190) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.terceptor.intercept(terceptor.java:75) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.checkboxinterceptor.intercept(checkboxinterceptor.java:94) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.fileuploadinterceptor.intercept(fileuploadinterceptor.java:243) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensyodeldriveninterceptor.intercept(modeldriveninterceptor.java:100) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.interceptor.scopedmodeldriveninterceptor.intercept(scopedmodeldriveninterceptor.java:141) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptorbuggingbugginginterceptor.intercept(debugginginterceptor.java:267) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.interceptor.chaininginterceptor.intercept(chaininginterceptor.java:142) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.interceptor.prepareinterceptor.dointercept(prepareinterceptor.java:166) .opensyethodfilterinterceptor.intercept(methodfilterinterceptor.java:98) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.interceptor.i18ninterceptor.intercept(i18ninterceptor.java:176) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.servletconfiginterceptor.intercept(servletconfiginterceptor.java:164) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.interceptor.aliasinterceptor.intercept(aliasinterceptor.java:190) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.interceptor.exceptionmappinginterceptor.intercept(exceptionmappinginterceptor.java:187) .opensyctioninvocation.invoke(defaultactioninvocation.java:248) org.apache.struts2.iproxy.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.apache tomcat/7.0.62