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我怎样才能让这个code提交UTF-8格式文本区域用jQuery /阿贾克斯工作？

本文介绍了我怎样才能让这个code提交UTF-8格式文本区域用jQuery /阿贾克斯工作？的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我有提交包含UTF-8字符串使用Ajax的形式问题。我开发一个的Struts 的Web应用程序：// EN .wikipedia.org /维基/ Apache_Tomcat相对=nofollow> Tomcat的服务器。这是我设置了UTF-8的工作环境：

  • 我添加的属性的URIEncoding =UTF-8useBodyEncodingForURI =真正的到连接标记Tomcat的的conf / server.xml中文件。

  • 我有一个 UTF-8_general_ci 数据库

  • 我现在用的是一个过滤器，以确保我的请求和响应都设有codeD的UTF-8 

     包过滤器;

进口java.io.IOException异常;
导入的javax.servlet。*;

公共类UTF8Filter实现过滤器{
    公共无效的destroy（）{}

    公共无效的doFilter（ServletRequest中要求，ServletResponse的响应的FilterChain链）
        抛出IOException异常，ServletException异常{
        request.setCharacterEncoding（UTF-8）;
        response.setContentType（text / html的;字符集= UTF-8）;
        chain.doFilter（请求，响应）;
    }

    公共无效的init（一个FilterConfig一个FilterConfig）抛出了ServletException {
    }
}

  • 我在WEB-INF / web.xml中使用此过滤器

  • 我现在用的是下一个code我的JSON响应：

     公共静态无效populateWithJSON（HttpServletResponse的响应，JSONObject的JSON）
{
   字符串CONTENT_TYPE =文/ X-JSON;字符集= UTF-8;
   response.setContentType（CONTENT_TYPE）;
   response.setHeader（缓存控制，无缓存）;
   尝试 {
        。response.getWriter（）写（json.toString（））;
   }赶上（IOException异常E）{
    抛出新ApplicationException的（在RetrievedStories提高应用程序异常，E）;
   }
}

一切似乎都在正常工作（内容来自数据库的显示正常，我能够提交其存储在UTF-8在数据库表）。问题是，我的无法提交表单使用Ajax 。我使用jQuery，我想这个问题是在Ajax请求缺乏的contentType领域。但是我错了。我有一个非常简单的形式提出意见，其中包含一个ID和一个身体。体场可以在不同的语言，如西班牙语，德语，或什么的。

如果我用含有人体textarea的提交我的表格contraseña的显示我：

如果我执行的复制位置与参数的萤火虫，编码，似乎已经错了：

<$p$p><$c$c>http://localhost:8080/Cerepedia/corporate/postStoryComment.do?&body=contrase%C3%B1a&id=88

这是我的jQuery code：

 函数addComment（）{
    VAR comment_body = $（＃postCommentForm文本域）VAL（）。
    。VAR ITEM_ID = $（＃postCommentForm输入：隐藏）VAL（）;
    VAR URL =则rootURL +企业/ postStoryComment.do？;
    $。员额（URL，{ID：ITEM_ID，身体：comment_body}，
        功能（数据）{
        / *做的东西的答案* /
    }，JSON）; }

一个提交使用jQuery的一种形式是导致一个错误的服务器端（注意：我使用的）。

  javax.servlet.ServletException：org.hibernate.exception.GenericJDBCException：无法执行JDBC批量更新
    在org.apache.struts.action.RequestProcessor.processException（RequestProcessor.java:520）
    在org.apache.struts.action.RequestProcessor.processActionPerform（RequestProcessor.java:427）
    在org.apache.struts.action.RequestProcessor.process（RequestProcessor.java:228）
    在org.apache.struts.action.ActionServlet.process（ActionServlet.java:1913）
    在org.apache.struts.action.ActionServlet.doPost（ActionServlet.java:462）
    在javax.servlet.http.HttpServlet.service（HttpServlet.java:710）
    在javax.servlet.http.HttpServlet.service（HttpServlet.java:803）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:290）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在com.cerebra.cerepedia.security.AuthorizationFilter.doFilter（AuthorizationFilter.java:78）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在com.cerebra.cerepedia.hibernate.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:30)
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在filters.UTF8Filter.doFilter（UTF8Filter.java:14）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:230）
    在org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:175）
    在org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:128）
    在org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:104）
    在org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:109）
    在org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:261）
    在org.apache.coyote.http11.Http11Processor.process（Http11Processor.java:844）
    在org.apache.coyote.http11.Http11Protocol $ Http11ConnectionHandler.process（Http11Protocol.java:581）
    在org.apache.tomcat.util.net.JIoEndpoint $ Worker.run（JIoEndpoint.java:447）
    在java.lang.Thread.run（来源不明）
org.hibernate.exception.GenericJDBCException：产生的原因无法执行JDBC批量更新
    在org.hibernate.exception.SQLStateConverter.handledNonSpecificException（SQLStateConverter.java:103）
    在org.hibernate.exception.SQLStateConverter.convert（SQLStateConverter.java:91）
    在org.hibernate.exception.JDBCExceptionHelper.convert（JDBCExceptionHelper.java:43）
    在org.hibernate.jdbc.AbstractBatcher.executeBatch（AbstractBatcher.java:249）
    在org.hibernate.engine.ActionQueue.executeActions（ActionQueue.java:235）
    在org.hibernate.engine.ActionQueue.executeActions（ActionQueue.java:139）
    在org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
    在org.hibernate.event.def.DefaultFlushEventListener.onFlush（DefaultFlushEventListener.java:27）
    在org.hibernate.impl.SessionImpl.flush（SessionImpl.java:1000）
    在org.hibernate.impl.SessionImpl.managedFlush（SessionImpl.java:338）
    在org.hibernate.transaction.JDBCTransaction.commit（JDBCTransaction.java:106）
    在com.cerebra.cerepedia.item.dao.ItemDAOHibernate.addComment（ItemDAOHibernate.java:505）
    在com.cerebra.cerepedia.item.ItemManagerPOJOImpl.addComment（ItemManagerPOJOImpl.java:164）
    在com.cerebra.cerepedia.struts.item.ItemAction.addComment（ItemAction.java:126）
    在sun.reflect.NativeMethodAccessorImpl.invoke0（本机方法）
    在sun.reflect.NativeMethodAccessorImpl.invoke（来源不明）
    在sun.reflect.DelegatingMethodAccessorImpl.invoke（来源不明）
    在java.lang.reflect.Method.invoke（来源不明）
    在org.apache.struts.actions.DispatchAction.dispatchMethod（DispatchAction.java:269）
    在org.apache.struts.actions.DispatchAction.execute（DispatchAction.java:170）
    在org.apache.struts.actions.MappingDispatchAction.execute（MappingDispatchAction.java:166）
    在org.apache.struts.action.RequestProcessor.processActionPerform（RequestProcessor.java:425）
    ... 26更多
在第1行'\ xF1a'列'身体'：由：java.sql.BatchUpdateException：不正确的字符串值
    在com.mysql.jdbc.Server preparedStatement.executeBatch（服务器preparedStatement.java：657）
    在com.mchange.v2.c3p0.impl.NewProxy$p$pparedStatement.executeBatch(NewProxy$p$pparedStatement.java:1723)
    在org.hibernate.jdbc.BatchingBatcher.doExecuteBatch（BatchingBatcher.java:48）
    在org.hibernate.jdbc.AbstractBatcher.executeBatch（AbstractBatcher.java:242）
    ... 44更多
26年前，2008年19点54分48秒org.apache.catalina.core.StandardWrapperValve调用
坟墓Servlet.service（）对servlet的作用Lanzo郊区excepción
java.sql.BatchUpdateException：不正确的字符串值：'\ xF1a'列'身体'在第1行
    在com.mysql.jdbc.Server preparedStatement.executeBatch（服务器preparedStatement.java：657）
    在com.mchange.v2.c3p0.impl.NewProxy$p$pparedStatement.executeBatch(NewProxy$p$pparedStatement.java:1723)
    在org.hibernate.jdbc.BatchingBatcher.doExecuteBatch（BatchingBatcher.java:48）
    在org.hibernate.jdbc.AbstractBatcher.executeBatch（AbstractBatcher.java:242）
    在org.hibernate.engine.ActionQueue.executeActions（ActionQueue.java:235）
    在org.hibernate.engine.ActionQueue.executeActions（ActionQueue.java:139）
    在org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
    在org.hibernate.event.def.DefaultFlushEventListener.onFlush（DefaultFlushEventListener.java:27）
    在org.hibernate.impl.SessionImpl.flush（SessionImpl.java:1000）
    在org.hibernate.impl.SessionImpl.managedFlush（SessionImpl.java:338）
    在org.hibernate.transaction.JDBCTransaction.commit（JDBCTransaction.java:106）
    在com.cerebra.cerepedia.item.dao.ItemDAOHibernate.addComment（ItemDAOHibernate.java:505）
    在com.cerebra.cerepedia.item.ItemManagerPOJOImpl.addComment（ItemManagerPOJOImpl.java:164）
    在com.cerebra.cerepedia.struts.item.ItemAction.addComment（ItemAction.java:126）
    在sun.reflect.NativeMethodAccessorImpl.invoke0（本机方法）
    在sun.reflect.NativeMethodAccessorImpl.invoke（来源不明）
    在sun.reflect.DelegatingMethodAccessorImpl.invoke（来源不明）
    在java.lang.reflect.Method.invoke（来源不明）
    在org.apache.struts.actions.DispatchAction.dispatchMethod（DispatchAction.java:269）
    在org.apache.struts.actions.DispatchAction.execute（DispatchAction.java:170）
    在org.apache.struts.actions.MappingDispatchAction.execute（MappingDispatchAction.java:166）
    在org.apache.struts.action.RequestProcessor.processActionPerform（RequestProcessor.java:425）
    在org.apache.struts.action.RequestProcessor.process（RequestProcessor.java:228）
    在org.apache.struts.action.ActionServlet.process（ActionServlet.java:1913）
    在org.apache.struts.action.ActionServlet.doPost（ActionServlet.java:462）
    在javax.servlet.http.HttpServlet.service（HttpServlet.java:710）
    在javax.servlet.http.HttpServlet.service（HttpServlet.java:803）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:290）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在com.cerebra.cerepedia.security.AuthorizationFilter.doFilter（AuthorizationFilter.java:78）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在com.cerebra.cerepedia.hibernate.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:30)
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在filters.UTF8Filter.doFilter（UTF8Filter.java:14）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:230）
    在org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:175）
    在org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:128）
    在org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:104）
    在org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:109）
    在org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:261）
    在org.apache.coyote.http11.Http11Processor.process（Http11Processor.java:844）
    在org.apache.coyote.http11.Http11Protocol $ Http11ConnectionHandler.process（Http11Protocol.java:581）
    在org.apache.tomcat.util.net.JIoEndpoint $ Worker.run（JIoEndpoint.java:447）
    在java.lang.Thread.run（来源不明）
javax.servlet.ServletException：java.lang.NumberFormatException：空
    在org.apache.struts.action.RequestProcessor.processException（RequestProcessor.java:520）
    在org.apache.struts.action.RequestProcessor.processActionPerform（RequestProcessor.java:427）
    在org.apache.struts.action.RequestProcessor.process（RequestProcessor.java:228）
    在org.apache.struts.action.ActionServlet.process（ActionServlet.java:1913）
    在org.apache.struts.action.ActionServlet.doGet（ActionServlet.java:449）
    在javax.servlet.http.HttpServlet.service（HttpServlet.java:690）
    在javax.servlet.http.HttpServlet.service（HttpServlet.java:803）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:290）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在com.cerebra.cerepedia.security.AuthorizationFilter.doFilter（AuthorizationFilter.java:78）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在com.cerebra.cerepedia.hibernate.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:30)
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在filters.UTF8Filter.doFilter（UTF8Filter.java:14）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:230）
    在org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:175）
    在org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:128）
    在org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:104）
    在org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:109）
    在org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:261）
    在org.apache.coyote.http11.Http11Processor.process（Http11Processor.java:844）
    在org.apache.coyote.http11.Http11Protocol $ Http11ConnectionHandler.process（Http11Protocol.java:581）
    在org.apache.tomcat.util.net.JIoEndpoint $ Worker.run（JIoEndpoint.java:447）
    在java.lang.Thread.run（来源不明）
致：java.lang.NumberFormatException：空
    在java.lang.Long.parseLong（来源不明）
    在java.lang.Long.valueOf（来源不明）
    在com.cerebra.cerepedia.struts.item.ItemAction.addComment（ItemAction.java:120）
    在sun.reflect.NativeMethodAccessorImpl.invoke0（本机方法）
    在sun.reflect.NativeMethodAccessorImpl.invoke（来源不明）
    在sun.reflect.DelegatingMethodAccessorImpl.invoke（来源不明）
    在java.lang.reflect.Method.invoke（来源不明）
    在org.apache.struts.actions.DispatchAction.dispatchMethod（DispatchAction.java:269）
    在org.apache.struts.actions.DispatchAction.execute（DispatchAction.java:170）
    在org.apache.struts.actions.MappingDispatchAction.execute（MappingDispatchAction.java:166）
    在org.apache.struts.action.RequestProcessor.processActionPerform（RequestProcessor.java:425）
    ... 26更多
26年前，2008年二十时13分25秒org.apache.catalina.core.StandardWrapperValve调用
坟墓Servlet.service（）对servlet的作用Lanzo郊区excepción
java.lang.NumberFormatException：空
    在java.lang.Long.parseLong（来源不明）
    在java.lang.Long.valueOf（来源不明）
    在com.cerebra.cerepedia.struts.item.ItemAction.addComment（ItemAction.java:120）
    在sun.reflect.NativeMethodAccessorImpl.invoke0（本机方法）
    在sun.reflect.NativeMethodAccessorImpl.invoke（来源不明）
    在sun.reflect.DelegatingMethodAccessorImpl.invoke（来源不明）
    在java.lang.reflect.Method.invoke（来源不明）
    在org.apache.struts.actions.DispatchAction.dispatchMethod（DispatchAction.java:269）
    在org.apache.struts.actions.DispatchAction.execute（DispatchAction.java:170）
    在org.apache.struts.actions.MappingDispatchAction.execute（MappingDispatchAction.java:166）
    在org.apache.struts.action.RequestProcessor.processActionPerform（RequestProcessor.java:425）
    在org.apache.struts.action.RequestProcessor.process（RequestProcessor.java:228）
    在org.apache.struts.action.ActionServlet.process（ActionServlet.java:1913）
    在org.apache.struts.action.ActionServlet.doGet（ActionServlet.java:449）
    在javax.servlet.http.HttpServlet.service（HttpServlet.java:690）
    在javax.servlet.http.HttpServlet.service（HttpServlet.java:803）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:290）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在com.cerebra.cerepedia.security.AuthorizationFilter.doFilter（AuthorizationFilter.java:78）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在com.cerebra.cerepedia.hibernate.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:30)
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在filters.UTF8Filter.doFilter（UTF8Filter.java:14）
    在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter（ApplicationFilterChain.java:235）
    在org.apache.catalina.core.ApplicationFilterChain.doFilter（ApplicationFilterChain.java:206）
    在org.apache.catalina.core.StandardWrapperValve.invoke（StandardWrapperValve.java:230）
    在org.apache.catalina.core.StandardContextValve.invoke（StandardContextValve.java:175）
    在org.apache.catalina.core.StandardHostValve.invoke（StandardHostValve.java:128）
    在org.apache.catalina.valves.ErrorReportValve.invoke（ErrorReportValve.java:104）
    在org.apache.catalina.core.StandardEngineValve.invoke（StandardEngineValve.java:109）
    在org.apache.catalina.connector.CoyoteAdapter.service（CoyoteAdapter.java:261）
    在org.apache.coyote.http11.Http11Processor.process（Http11Processor.java:844）
    在org.apache.coyote.http11.Http11Protocol $ Http11ConnectionHandler.process（Http11Protocol.java:581）
    在org.apache.tomcat.util.net.JIoEndpoint $ Worker.run（JIoEndpoint.java:447）
    在java.lang.Thread.run（来源不明）

解决方案

你试图加入呼叫之前如下：

  $。ajaxSetup（{
scriptCharset：UTF-8，
的contentType：应用/ JSON的;字符集= UTF-8
}）;

该选项此处解释。

的contentType：当发送数据到服务器，使用这种内容类型。默认值是应用程序/ x-WWW的形式urlen codeD，这是适用于大多数情况下。

scriptCharset：只有与JSONP'或'脚本'数据类型，同时GET类型的请求。会强制PTED有一定的字符集间$ P $的要求。仅用于远程和本地内容的字符集的差异。

I am having problems submitting forms which contain UTF-8 strings with Ajax. I am developing a Struts web application which runs in a Tomcat server. This is the environment I set up to work with UTF-8:

  • I have added the attributes URIEncoding="UTF-8" useBodyEncodingForURI="true" into the Connector tag to Tomcat's conf/server.xml file.

  • I have a utf-8_general_ci database

  • I am using the next filter to ensure my request and responses are encoded in UTF-8

    package filters;

import java.io.IOException;
import javax.servlet.*;

public class UTF8Filter implements Filter {
    public void destroy() {}

    public void doFilter(ServletRequest request,ServletResponse response, FilterChain chain)
        throws IOException, ServletException {
        request.setCharacterEncoding("UTF-8");
        response.setContentType("text/html;charset=UTF-8");
        chain.doFilter(request, response);
    }

    public void init(FilterConfig filterConfig) throws ServletException {
    }
}

  • I use this filter in WEB-INF/web.xml

  • I am using the next code for my JSON responses:

    public static void populateWithJSON(HttpServletResponse response,JSONObject json)
{
   String CONTENT_TYPE="text/x-json;charset=UTF-8";
   response.setContentType(CONTENT_TYPE);
   response.setHeader("Cache-Control", "no-cache");
   try {
        response.getWriter().write(json.toString());
   } catch (IOException e) {
    throw new ApplicationException("Application Exception raised in RetrievedStories", e);
   }
}

Everything seems to work fine (content coming from the database is displayed properly, and I am able to submit forms which are stored in UTF-8 in the database). The problem is that I am not able to submit forms with Ajax. I use jQuery, and I thought the problem was the lack of contentType field in the Ajax request. But I was wrong. I have a really simple form to submit comments which contains of an id and a body. The body field can be in different languages such as Spanish, German, or whatever.

If I submit my form with body textarea containing contraseña, Firebug shows me:

If I execute Copy Location with parameters in Firebug, the encoding seems already wrong:

http://localhost:8080/Cerepedia/corporate/postStoryComment.do?&body=contrase%C3%B1a&id=88

This is my jQuery code:

function addComment() {
    var comment_body = $("#postCommentForm textarea").val();
    var item_id = $("#postCommentForm input:hidden").val();
    var url = rooturl+"corporate/postStoryComment.do?";
    $.post(url, { id:  item_id, body: comment_body } ,
        function(data){
        /* Do stuff with the answer */
    }, "json");  }

A submission of a form with jQuery is causing the next error server side (note I am using Hibernate).

javax.servlet.ServletException: org.hibernate.exception.GenericJDBCException: Could not execute JDBC batch update
    at org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:520)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:427)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.cerebra.cerepedia.security.AuthorizationFilter.doFilter(AuthorizationFilter.java:78)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.cerebra.cerepedia.hibernate.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:30)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at filters.UTF8Filter.doFilter(UTF8Filter.java:14)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Unknown Source)
Caused by: org.hibernate.exception.GenericJDBCException: Could not execute JDBC batch update
    at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:103)
    at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:91)
    at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
    at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:249)
    at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:235)
    at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:139)
    at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
    at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
    at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
    at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
    at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
    at com.cerebra.cerepedia.item.dao.ItemDAOHibernate.addComment(ItemDAOHibernate.java:505)
    at com.cerebra.cerepedia.item.ItemManagerPOJOImpl.addComment(ItemManagerPOJOImpl.java:164)
    at com.cerebra.cerepedia.struts.item.ItemAction.addComment(ItemAction.java:126)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:269)
    at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:170)
    at org.apache.struts.actions.MappingDispatchAction.execute(MappingDispatchAction.java:166)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
    ... 26 more
Caused by: java.sql.BatchUpdateException: Incorrect string value: '\xF1a' for column 'body' at row 1
    at com.mysql.jdbc.ServerPreparedStatement.executeBatch(ServerPreparedStatement.java:657)
    at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeBatch(NewProxyPreparedStatement.java:1723)
    at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:48)
    at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
    ... 44 more
26-ago-2008 19:54:48 org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: Servlet.service() para servlet action lanzó excepción
java.sql.BatchUpdateException: Incorrect string value: '\xF1a' for column 'body' at row 1
    at com.mysql.jdbc.ServerPreparedStatement.executeBatch(ServerPreparedStatement.java:657)
    at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeBatch(NewProxyPreparedStatement.java:1723)
    at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:48)
    at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
    at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:235)
    at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:139)
    at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
    at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
    at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
    at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
    at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
    at com.cerebra.cerepedia.item.dao.ItemDAOHibernate.addComment(ItemDAOHibernate.java:505)
    at com.cerebra.cerepedia.item.ItemManagerPOJOImpl.addComment(ItemManagerPOJOImpl.java:164)
    at com.cerebra.cerepedia.struts.item.ItemAction.addComment(ItemAction.java:126)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:269)
    at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:170)
    at org.apache.struts.actions.MappingDispatchAction.execute(MappingDispatchAction.java:166)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
    at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:462)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.cerebra.cerepedia.security.AuthorizationFilter.doFilter(AuthorizationFilter.java:78)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.cerebra.cerepedia.hibernate.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:30)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at filters.UTF8Filter.doFilter(UTF8Filter.java:14)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Unknown Source)
javax.servlet.ServletException: java.lang.NumberFormatException: null
    at org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:520)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:427)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
    at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.cerebra.cerepedia.security.AuthorizationFilter.doFilter(AuthorizationFilter.java:78)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.cerebra.cerepedia.hibernate.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:30)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at filters.UTF8Filter.doFilter(UTF8Filter.java:14)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NumberFormatException: null
    at java.lang.Long.parseLong(Unknown Source)
    at java.lang.Long.valueOf(Unknown Source)
    at com.cerebra.cerepedia.struts.item.ItemAction.addComment(ItemAction.java:120)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:269)
    at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:170)
    at org.apache.struts.actions.MappingDispatchAction.execute(MappingDispatchAction.java:166)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
    ... 26 more
26-ago-2008 20:13:25 org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: Servlet.service() para servlet action lanzó excepción
java.lang.NumberFormatException: null
    at java.lang.Long.parseLong(Unknown Source)
    at java.lang.Long.valueOf(Unknown Source)
    at com.cerebra.cerepedia.struts.item.ItemAction.addComment(ItemAction.java:120)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:269)
    at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:170)
    at org.apache.struts.actions.MappingDispatchAction.execute(MappingDispatchAction.java:166)
    at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:425)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:228)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
    at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.cerebra.cerepedia.security.AuthorizationFilter.doFilter(AuthorizationFilter.java:78)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at com.cerebra.cerepedia.hibernate.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:30)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at filters.UTF8Filter.doFilter(UTF8Filter.java:14)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:261)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:581)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Unknown Source)
解决方案

have you tried adding the following before the call :

$.ajaxSetup({
	scriptCharset: "utf-8" ,
	contentType: "application/json; charset=utf-8"
});

The options are explained here.

contentType : When sending data to the server, use this content-type. Default is "application/x-www-form-urlencoded", which is fine for most cases.

scriptCharset : Only for requests with 'jsonp' or 'script' dataType and GET type. Forces the request to be interpreted as a certain charset. Only needed for charset differences between the remote and local content.

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08-06 05:55
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