作者原创,转载请注明转载地址

第一次遇到该异常,在网上搜了很长时间也没找到解决答案,特此记录

1.异常展示:

com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input
 at [Source: java.io.StringReader@11a92b24; line: 1, column: 1]
    at com.fasterxml.jackson.databind.JsonMappingException.from(JsonMappingException.java:164)
    at com.fasterxml.jackson.databind.ObjectMapper._initForReading(ObjectMapper.java:2931)
    at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:2873)
    at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2034)
    at com.allcam.system.utils.JSonUtils.readValue(JSonUtils.java:30)
    at com.allcam.system.manager.statistics.impl.UserResourceDayStatisticsServiceImpl.getResourceDayStatistics(UserResourceDayStatisticsServiceImpl.java:45)
    at com.allcam.system.manager.statistics.impl.UserResourceDayStatisticsServiceImpl$$FastClassByCGLIB$$6b11b7f.invoke(<generated>)
    at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:710)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:643)
    at com.allcam.system.manager.statistics.impl.UserResourceDayStatisticsServiceImpl$$EnhancerByCGLIB$$65dd2f5a.getResourceDayStatistics(<generated>)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
    at com.sun.proxy.$Proxy56.getResourceDayStatistics(Unknown Source)
    at com.allcam.system.manager.statistics.controller.UserResourceDayStatisticsController.getUserResourceDayStatistics(UserResourceDayStatisticsController.java:41)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:214)
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)[2017-08-16 17:06:54,911][DEBUG][org.apache.http.impl.conn.Wire.wire(Wire.java:72)][http-nio-8080-exec-3] -  << "HTTP/1.1 200 OK[\r][\n]" -
[2017-08-16 17:06:54,912][DEBUG][org.apache.http.impl.conn.Wire.wire(Wire.java:72)][http-nio-8080-exec-3] -  << "Server: Apache-Coyote/1.1[\r][\n]" -

2.异常解析,本异常报错的原因为调用webservice服务,从webservice返回的对象没有将其转为json对象,而是直接将对象返回了,所以从webservice返回的时候

就报了此错误,

3.解决方案:将webservice返回的对象转化为json格式,,特此将原代码贴出:

  @ResponseBody
@RequestMapping(value="resDayStatistics")
public String getUserResourceDayStatistics(HttpServletRequest request,HttpServletResponse response){
UserResourceDayStatistics dayStatistics2 = new UserResourceDayStatistics();
try
{
UserResourceDayStatistics dayStatistics = new UserResourceDayStatistics();
InputStream inputStream= request.getInputStream();
String reqJson=IOUtils.toString(inputStream,ServiceContants.UTF8_CODE);
if(reqJson != null && reqJson != ""){
//json转成UserResourceDayStatistics对象
dayStatistics=JSonUtils.readValue(reqJson, UserResourceDayStatistics.class);
} dayStatistics2=dayService.getResourceDayStatistics(dayStatistics); }
catch (Exception e)
{
e.printStackTrace();
}
// return "/main/webapp/dayStatistics.jsp";
return JSonUtils.toJSon(dayStatistics2); //返回json格式对象
}
}

由于要返回的是一个json对象,所以在方法头上加一个@ResponseBody注解,该注解的作用是将返回结果的格式写入到返回结果中,否则就会解析为一个页面。。。。。。

com.fasterxml.jackson.databind.JsonMappingException: No content to map due to end-of-input的更多相关文章

  1. 【jackson 异常】com.fasterxml.jackson.databind.JsonMappingException异常处理

    项目中,父层是Gene.java[基因实体]  子层是Corlib.java[文集库实体],一种基因对用多个文集库文章 但是在查询文集库这个实体的时候报错:[com.fasterxml.jackson ...

  2. 400 bad Request: JackSon将json串转成List<Object>,异常com.fasterxml.jackson.databind.JsonMappingException

    最近遇到的400, 以前总以为 400 就是参数不匹配造成的,直到今天遇到这个问题 控制台报错如下:  com.fasterxml.jackson.databind.JsonMappingExcept ...

  3. JSON parse error: Can not deserialize instance of java.lang.String out of START_OBJECT token; nested exception is com.fasterxml.jackson.databind.JsonMappingException: Can not deserialize instance of j

    异常信息如下: JSON parse error: Can not deserialize instance of java.lang.String out of START_OBJECT token ...

  4. SpringBoot JPA懒加载异常 - com.fasterxml.jackson.databind.JsonMappingException: could not initialize proxy

    问题与分析 某日忽然发现在用postman测试数据时报错如下: com.fasterxml.jackson.databind.JsonMappingException: could not initi ...

  5. HttpMessageNotWritableException: Could not write JSON: Infinite recursion (StackOverflowError); nested exception is com.fasterxml.jackson.databind.JsonMappingException: Infinite

    org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON: Infinite r ...

  6. com.fasterxml.jackson.databind.JsonMappingException

    背景 在搭建SSM整合activiti项目时,在查找activiti定义的流程模板时,前台不能够接受到ProcessDefinition这个对象. 原因 ProcessDefinition是一个接口, ...

  7. 解决com.fasterxml.jackson.databind.JsonMappingException: No suitable

    原因:直接翻译,json格式,不匹配. 这原因坑爹啊,因为json格式不正确算一种原因. 还有一种就是接收的bean没有getter,setter方法. 最坑的一种就是数据无法被反序列化,list,m ...

  8. 实体类中方法名尽量避免set,get,报错com.fasterxml.jackson.databind.JsonMappingException: (was java.lang.NullPointerException)

    自己建了一个实体类 public class MissPoint implements Serializable{ private static final long serialVersionUID ...

  9. com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field 异常

    分享牛原创(尊重原创 转载对的时候第一行请注明,转载出处来自分享牛http://blog.csdn.net/qq_30739519) 1.1.1. 前言 近期在使用ObjectMapper对象将jso ...

随机推荐

  1. python中url解析 or url的base64编码

    目录 from urllib.parse import urlparse, quote, unquote, urlencode1.解析url的组成成分:urlparse(url)2.url的base6 ...

  2. mysql python pymysql模块 增删改查 查询 fetchmany fetchall函数

    查询的fetchmany fetchall函数 import pymysql mysql_host = '192.168.0.106' port = 3306 mysql_user = 'root' ...

  3. rsync 配置详解

    安装 [root@localhost ~]# yum install -y rsync [root@localhost ~]# systemctl start rsyncd [root@localho ...

  4. hover()与toggle()

    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/ ...

  5. loadrunner获取接口返回参数(包括body,headers等)

    Action() { web_set_max_html_param_len("); // 默认最大长度为256 web_reg_save_param("ResponseBody&q ...

  6. lnmp搭建环境易错误点

    1.虚拟主机使用桥接网络 2.nginx配置server 3.先ping通,service iptables stop 4.php-fpm开启,使之能正确解析php文件,nginx开启 5.mysql ...

  7. UVALive - 7261 Xiongnu's Land

    思路: 先二分下界,再二分上届. #include <bits/stdc++.h> using namespace std; #define MP make_pair #define PB ...

  8. tomcat和jetty区别

    参见:https://www.cnblogs.com/fengli9998/p/7247559.html 1. Jetty更轻量级.这是相对Tomcat而言的. 由于Tomcat除了遵循Java Se ...

  9. Linux基础命令---ln

    ln 为指定的目录或者文件创建链接,如果没有指定链接名,那么会创建一个和源文件名字一样的链接. 此命令的适用范围:RedHat.RHEL.Ubuntu.CentOS.SUSE.openSUSE.Fed ...

  10. HTML5代码规范

    HTML5代码规范html标签里面等号两边不要留空格在IE下可能会识别不了html5等号前后可以使用空格,但仍不推荐使用. HTML 代码约定很多 Web 开发人员对 HTML 的代码规范知之甚少.在 ...