description the server encountered an internal error that prevented it from fulfilling this request.
exception java.lang.arrayindexoutofboundsexception: 144 .alibaba.fastjson.serializer.serializewriter.writestringwithdoublequote(serializewriter.java:868) .alibaba.fastjson.serializer.serializewriter.writestringwithdoublequote(serializewriter.java:602) .alibaba.fastjson.serializer.serializewriter.writestring(serializewriter.java:1366) .alibaba.fastjson.serializer.stringcodec.write(stringcodec.java:49) .alibaba.fastjson.serializer.stringcodec.write(stringcodec.java:34) .alibaba.fastjson.serializer.mapserializer.write(mapserializer.java:188) .alibaba.fastjson.serializer.jsonserializer.write(jsonserializer.java:369) .alibaba.fastjson.json.tojsonstring(json.java:418) .alibaba.fastjson.json.tojsonstring(json.java:406) coe(action.java:68) sun.reflect.generatedessor38.invoke(unknown source) sun.reflect legatingpl.invoke(unknown source) java.lang.reflect thod.invoke(unknown source) coion(defaultactioninvocation.java:452) coiononly(defaultactioninvocation.java:291) co.invoke(defaultactioninvocation.java:254) coor faultworkflowinterceptor.dointercept(defaultworkflowinterceptor.java:176) coor.or.intercept(or.java:98) co.invoke(defaultactioninvocation.java:248) .opensymphony.xwork2.validator.validationinterceptor.dointercept(validationinterceptor.java:263) org.apache.struts2.interceptor.validation.annotationvalidationinterceptor.dointercept(annotationvalidationinterceptor.java:68) coor.or.intercept(or.java:98) co.invoke(defaultactioninvocation.java:248) coor.conversionerrorinterceptor.intercept(conversionerrorinterceptor.java:133) co.invoke(defaultactioninvocation.java:248) coor.para(paraor.java:207) coor.or.intercept(or.java:98) co.invoke(defaultactioninvocation.java:248) coor.para(paraor.java:207) coor.or.intercept(or.java:98) co.invoke(defaultactioninvocation.java:248) coor.staticparaaticparaor.java:190) co.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.or.intercept(or.java:75) co.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.checkboxinterceptor.intercept(checkboxinterceptor.java:94) co.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.fileuploadinterceptor.intercept(fileuploadinterceptor.java:243) co.invoke(defaultactioninvocation.java:248) coor.or.intercept(or.java:100) co.invoke(defaultactioninvocation.java:248) coor.scopedor.intercept(scopedor.java:141) co.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor bugging bugginginterceptor.intercept(debugginginterceptor.java:267) co.invoke(defaultactioninvocation.java:248) coor.chaininginterceptor.intercept(chaininginterceptor.java:142) co.invoke(defaultactioninvocation.java:248) coor.prepareinterceptor.dointercept(prepareinterceptor.java:166) coor.or.intercept(or.java:98) co.invoke(defaultactioninvocation.java:248) coor.i18ninterceptor.intercept(i18ninterceptor.java:176) co.invoke(defaultactioninvocation.java:248) org.apache.struts2.interceptor.servletconfiginterceptor.intercept(servletconfiginterceptor.java:164) co.invoke(defaultactioninvocation.java:248) coor.aliasinterceptor.intercept(aliasinterceptor.java:190) co.invoke(defaultactioninvocation.java:248) coor.exception(exceptionor.java:187) co.invoke(defaultactioninvocation.java:248) org.apacroxy.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)
note the full stack trace of the root cause is available in the apache tocat/7.0.62