Java 意外字符（'；a'；（代码97））：应为有效值（数字、字符串、数组、对象、'；true'；、'；false'；或'；null'；）_Java_Json_Rest_Jsp_Servlets

Java 意外字符（'；a'；（代码97））：应为有效值（数字、字符串、数组、对象、'；true'；、'；false'；或'；null'；）

java json rest jsp servlets

Java 意外字符（'；a'；（代码97））：应为有效值（数字、字符串、数组、对象、'；true'；、'；false'；或'；null'；）,java,json,rest,jsp,servlets,Java,Json,Rest,Jsp,Servlets,我刚刚尝试调用index.jsp，它通过HTTPPOST向我的rest项目发送json 但这给我带来了一个错误：我不知道问题出在哪里有小费吗？我不知道该怎么做 org.apache.catalina.core.StandardWrapperValve调用 GRAVE:Servlet.service（）在路径为[/HibernateTutorialWeb]的上下文中用于Servlet[jersey serlvet]引发异常[org.codehaus.jackson.JsonParseExcep

我刚刚尝试调用

index.jsp

，它通过HTTPPOST向我的rest项目发送json

但这给我带来了一个错误：
我不知道问题出在哪里有小费吗？我不知道该怎么做

org.apache.catalina.core.StandardWrapperValve调用 GRAVE:Servlet.service（）在路径为[/HibernateTutorialWeb]的上下文中用于Servlet[jersey serlvet]引发异常[org.codehaus.jackson.JsonParseException:意外字符（'a'（代码97））：应为有效值（数字、字符串、数组、对象、'true'、'false'或'null'）在[来源：org.apache.catalina.connector]。CoyoteInputStream@24097548；行：1，列：2]]带根本原因 org.codehaus.jackson.JsonParseException:意外字符（'a'（代码97））：应为有效值（数字、字符串、数组、对象、'true'、'false'或'null'）在[来源：org.apache.catalina.connector]。CoyoteInputStream@24097548；行：1，列：2] 位于org.codehaus.jackson.JsonParser.\u constructError（JsonParser.java:1213）位于org.codehaus.jackson.impl.JsonParserMinimalBase.\u reportError（JsonParserMinimalBase.java:375）位于org.codehaus.jackson.impl.JsonParserMinimalBase.\u reportUnexpectedChar（JsonParserMinimalBase.java:306）位于org.codehaus.jackson.impl.Utf8StreamParser.\u handleUnexpectedValue（Utf8StreamParser.java:1536）位于org.codehaus.jackson.impl.Utf8StreamParser.\u nextTokenNotInObject（Utf8StreamParser.java:432）位于org.codehaus.jackson.impl.Utf8StreamParser.nextToken（Utf8StreamParser.java:318）位于org.codehaus.jackson.map.ObjectMapper.\u initForReading（ObjectMapper.java:2168）位于org.codehaus.jackson.map.ObjectMapper.\u readValue（ObjectMapper.java:2106）位于org.codehaus.jackson.map.ObjectMapper.readValue（ObjectMapper.java:1004）位于org.codehaus.jackson.jaxrs.JacksonJsonProvider.readFrom（JacksonJsonProvider.java:410）位于com.sun.jersey.json.impl.provider.entity.JacksonProviderProxy.readFrom（JacksonProviderProxy.java:139）位于com.sun.jersey.spi.container.ContainerRequest.getEntity（ContainerRequest.java:474）位于com.sun.jersey.server.impl.model.method.dispatch.EntityParamDispatchProvider$EntityInjectable.getValue（EntityParamDispatchProvider.java:123）位于com.sun.jersey.server.impl.inject.InjectableValuesProvider.getInjectableValues（InjectableValuesProvider.java:46）位于com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$EntityParamInInvoker.getParams（AbstractResourceMethodDispatchProvider.java:153）位于com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker.\u dispatch（AbstractResourceMethodDispatchProvider.java:203）位于com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch（ResourceJavaMethodDispatcher.java:75）位于com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept（HttpMethodRule.java:288）位于com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept（RightHandPathRule.java:147）位于com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept（ResourceClassRule.java:108）位于com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept（RightHandPathRule.java:147）位于com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept（RootResourceClassesRule.java:84）位于com.sun.jersey.server.impl.application.WebApplicationImpl.\u handleRequest（WebApplicationImpl.java:1469）位于com.sun.jersey.server.impl.application.WebApplicationImpl.\u handleRequest（WebApplicationImpl.java:1400）位于com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest（WebApplicationImpl.java:1349）位于com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest（WebApplicationImpl.java:1339）位于com.sun.jersey.spi.container.servlet.WebComponent.service（WebComponent.java:416）位于com.sun.jersey.spi.container.servlet.ServletContainer.service（ServletContainer.java:537）位于com.sun.jersey.spi.container.servlet.ServletContainer.service（ServletContainer.java:699）位于javax.servlet.http.HttpServlet.service（HttpServlet.java:731）位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:303）位于org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）位于org.apache.tomcat.websocket.server.WsFilter.doFilter（WsFilter.java:52）位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:241）位于org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:208）位于org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:220）位于org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:122）位于org.apache.catalina.authenticator.AuthenticatorBase.invoke（AuthenticatorBase.java:505）位于org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:170）位于org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:103）位于org.apache.catalina.valves.AccessLogValve.invoke（AccessLogValve.java:950）位于org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:116）位于org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:423）位于org.apache.coyote.http11.AbstractHttp11Processor.process（AbstractHttp11Processor.java:1079）位于org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process（AbstractProtocol.java:620）位于org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run（JIoEndpoint.java:318）位于java.util.concurrent.ThreadPoolExecutor.runWorker（未知源）位于java.util.concurrent.ThreadPoolExecutor$Worker.run（未知源）位于org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run（TaskThread.java:61）位于java.lang.Thread.run（未知源）

index.jsp：

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
        <title>Send jSon - put method</title>

    </head>
    <body>
    <script>
    //var people = {"address": "Address 12", "name": "twelve", "id": 12,"surname": "twelve"};
    var people={"address": "hello"};
    function sendobject(){
      $.ajax({
            type: "POST",
            url: "http://localhost:8080/HibernateTutorialWeb/rest/person/post",
            data: people,
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            success: function(data){alert(data);},
            failure: function(errMsg) {
                alert(errMsg);
            }
      });
    }
    </script>
        <input type="button" onclick="sendobject()" value="invia"> </input>
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
    </body>
</<html>

现在的错误是：

    HTTP Status 500 - java.io.EOFException: No content to map to Object due to end of input

type Exception report

message java.io.EOFException: No content to map to Object due to end of input

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: java.io.EOFException: No content to map to Object due to end of input
    com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:420)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause

java.io.EOFException: No content to map to Object due to end of input
    org.codehaus.jackson.map.ObjectMapper._initForReading(ObjectMapper.java:2173)
    org.codehaus.jackson.map.ObjectMapper._readValue(ObjectMapper.java:2106)
    org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1004)
    org.codehaus.jackson.jaxrs.JacksonJsonProvider.readFrom(JacksonJsonProvider.java:410)
    com.sun.jersey.json.impl.provider.entity.JacksonProviderProxy.readFrom(JacksonProviderProxy.java:139)
    com.sun.jersey.spi.container.ContainerRequest.getEntity(ContainerRequest.java:474)
    com.sun.jersey.server.impl.model.method.dispatch.EntityParamDispatchProvider$EntityInjectable.getValue(EntityParamDispatchProvider.java:123)
    com.sun.jersey.server.impl.inject.InjectableValuesProvider.getInjectableValues(InjectableValuesProvider.java:46)
    com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$EntityParamInInvoker.getParams(AbstractResourceMethodDispatchProvider.java:153)
    com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:203)
    com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
    com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339)
    com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

错误消息表明服务器接收的POST输入不是有效的JSON

也许JQuery从这个输入中产生了什么：

var-people={
package com.dao;

import java.util.ArrayList;
import java.util.List;

import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;

import com.model.Person;
import com.util.SessionFactoryUtil;

public class PersonDao {

    public void saveOrUpdate(Person person) {
        Transaction trns = null;
        Session session = SessionFactoryUtil.getSessionFactory().openSession();

        try {
            trns = session.beginTransaction();
            if (person.getId() != 0) {
                //if exists update obj
                session.update(person);
            } else {
                session.save(person);
            }
            session.getTransaction().commit();
        } catch (RuntimeException e) {
            if (trns != null) {
                trns.rollback();
            }
            e.printStackTrace();
        } finally {
            session.flush();
            session.close();
        }
    }

    public void deletePerson(int id) {
        Transaction trns = null;
        Session session = SessionFactoryUtil.getSessionFactory().openSession();
        try {
            trns = session.beginTransaction();
            Person person = (Person) session.load(Person.class, new Integer(id));
            
            System.out.println("Deleted person :"+person.toString());
            
            session.delete(person);
            
            session.getTransaction().commit();
        } catch (RuntimeException e) {
            if (trns != null) {
                trns.rollback();
            }
            e.printStackTrace();
        } finally {
            session.flush();
            session.close();
        }

    }

    public List<Person> getAllPerson() {
        List<Person> people = new ArrayList<Person>();
        Transaction trns = null;
        Session session = SessionFactoryUtil.getSessionFactory().openSession();
        try {
            trns = session.beginTransaction();
            people = session.createQuery("from Person").list();
            
            //session.getTransaction().commit();
        } catch (RuntimeException e) {
            if (trns != null) {
                trns.rollback();
            }
        } finally {
            session.flush();
            session.close();
        }
        System.out.println("People list : \n");
        for(int i=0;i<people.size();i++){
            System.out.println(people.get(i));
        }
        return people;
    }

    public Person getPersonById(int id) {
        Person person = null;
        Transaction trns = null;
        Session session = SessionFactoryUtil.getSessionFactory().openSession();
        try {
            trns = session.beginTransaction();
            String queryString = "FROM Person WHERE id = :id";
            Query query = session.createQuery(queryString);
            query.setInteger("id", id);
            person = (Person) query.uniqueResult();
        } catch (RuntimeException e) {
            e.printStackTrace();
        } finally {
            session.flush();
            session.close();
        }
        return person;
    }

}

var people = JSON.parse({"address": "Indirizzo 12", "name": "dodici", "id": 12,"surname": "dodici"});

    HTTP Status 500 - java.io.EOFException: No content to map to Object due to end of input

type Exception report

message java.io.EOFException: No content to map to Object due to end of input

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: java.io.EOFException: No content to map to Object due to end of input
    com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:420)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
root cause

java.io.EOFException: No content to map to Object due to end of input
    org.codehaus.jackson.map.ObjectMapper._initForReading(ObjectMapper.java:2173)
    org.codehaus.jackson.map.ObjectMapper._readValue(ObjectMapper.java:2106)
    org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1004)
    org.codehaus.jackson.jaxrs.JacksonJsonProvider.readFrom(JacksonJsonProvider.java:410)
    com.sun.jersey.json.impl.provider.entity.JacksonProviderProxy.readFrom(JacksonProviderProxy.java:139)
    com.sun.jersey.spi.container.ContainerRequest.getEntity(ContainerRequest.java:474)
    com.sun.jersey.server.impl.model.method.dispatch.EntityParamDispatchProvider$EntityInjectable.getValue(EntityParamDispatchProvider.java:123)
    com.sun.jersey.server.impl.inject.InjectableValuesProvider.getInjectableValues(InjectableValuesProvider.java:46)
    com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$EntityParamInInvoker.getParams(AbstractResourceMethodDispatchProvider.java:153)
    com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:203)
    com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
    com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
    com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469)
    com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349)
    com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339)
    com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
    com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

var people='{"address": "ciao"}';

var people={"address": "ciao"};

var people={"address": "ciao"};

var people=JSON.stringify(eval({"address": "ciao"}));

if (person.getId() != 0) {
     //if exists update obj
     session.update(person);
} else {
     session.save(person);
}

var people = JSON.stringify
(eval({"address": "Indirizzo 12", "name": "twelve", "id": 12, "surname": "twelve"}));

var people = 
JSON.stringify(eval({"address": "Indirizzo 12", "name": "twelve","surname": "twelve"}));