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jQuery/Ajax 작업으로 UTF-8 양식 텍스트 영역을 제출하려면 이 코드를 어떻게 만들어야 합니까?

elecom 2023. 9. 20. 20:05
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jQuery/Ajax 작업으로 UTF-8 양식 텍스트 영역을 제출하려면 이 코드를 어떻게 만들어야 합니까?

Ajax와 UTF-8 문자열이 포함된 양식을 제출하는 데 문제가 있습니다.저는 Tomcat 서버에서 실행되는 Struts 웹 어플리케이션을 개발하고 있습니다.UTF-8과 함께 작업하도록 설정한 환경입니다.

  • 했습니다.URIEncoding="UTF-8" useBodyEncodingForURI="true"Connectorg에 를 붙입니다.conf/server.xml일.

  • 는 는이 있습니다.utf-8_general_ci데이터베이스

  • 요청 및 응답이 UTF-8로 인코딩되었는지 확인하기 위해 다음 필터를 사용하고 있습니다.

    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 {
        }
    }
    
  • WEB-INF/web.xml에서 이 필터를 사용합니다.

  • JSON 응답을 위해 다음 코드를 사용하고 있습니다.

    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);
       }
    }
    

모든 것이 잘 작동하는 것 같습니다(데이터베이스에서 들어오는 내용이 제대로 표시되고, UTF-8에 저장된 양식을 데이터베이스에 제출할 수 있습니다).문제는 제가 Ajax와 함께 양식을 제출할 수 없다는 것입니다.저는 jQuery를 사용하는데, 컨텐츠가 부족한 것이 문제라고 생각했습니다.Ajax 요청에 필드를 입력합니다.그러나 내가 틀렸다.id와 body가 포함된 코멘트를 제출하는 아주 간단한 양식을 가지고 있습니다.본문 필드는 스페인어, 독일어 또는 다른 언어로 구성될 수 있습니다.

영역이 contraseña, 파이어버그는 다음을 보여줍니다.

머리글 요청

  • 호스트 로컬 호스트:8080
  • 승인-Charset ISO-8859-1, utf-8;q=0.7;*q=0.7
  • 컨텐츠 타입 응용프로그램/x-www-form-urlencoded; charset UTF-8

Firebug에서 매개 변수로 위치 복사를 실행하면 인코딩이 이미 잘못된 것 같습니다.

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

제 jQuery 코드입니다.

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");  }

jQuery로 양식을 제출하면 다음 오류 서버 측이 발생합니다(Hibernate를 사용하고 있습니다).

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)

통화 전에 다음 사항을 추가해 보았습니까?

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

옵션은 여기에 설명되어 있습니다.

contentType : 서버에 데이터를 보낼 때 이 contenttype을 사용합니다.기본값은 "application/x-www-form-urlencoded"이며, 대부분의 경우 정상입니다.

scriptCharset : 'jsonp' 또는 'script' dataType 및 GET type이 있는 요청에 한합니다.요청을 특정 문자 집합으로 해석하도록 강제합니다.원격 컨텐츠와 로컬 컨텐츠 간의 문자 집합 차이에만 필요합니다.

저도 같은 문제를 겪고 있습니다.Internet Explorer 8에서 다음 헤더를 전송하는 것을 보았습니다.

content-type = application/x-www-form-urlencoded

Firefox는 다음을 전송합니다.

content-type = application/x-www-form-urlencoded; charset=UTF-8

제 솔루션은 jQuery에서 Firefox 컨텐츠 유형을 사용하도록 강요하는 것이었습니다.

$.ajaxSetup({ scriptCharset: "utf-8" ,contentType: "application/x-www-form-urlencoded; charset=UTF-8" });

저도 같은 문제가 있어서 mysql-connector-odbc-3.51.16으로 다운그레이드하여 수정하였습니다.

저도 같은 문제가 있어서 다음과 같은 방법으로 고쳤습니다.

PHP에서 데이터를 데이터베이스에 저장하기 전에, 나는htmlentities()기능.그리고 데이터를 보여주는 동안, 제가 사용한 것은html_entity_decode()기능.잘 됐어요.이것이 당신에게도 효과가 있기를 간절히 바랍니다.

예외는 jdbc 오류이므로 입력을 데이터베이스로 전송하기 전에 캡처하는 것이 최선의 방법입니다.

java.sql.BatchUpdate예외:1행의 'body' 열에 대한 문자열 값 '\xF1a'이 잘못되었습니다.

하나의 문자가 예외를 발생시킵니다.

일부 문자를 수동으로 재정의해야 하는 경우가 있습니다.제가 하는 것처럼 라틴어가 아닌 알파벳 언어로 작업할 때, 여러분은 이것이 흔한 고통이라는 것을 알게 될 것입니다.

저는 이 문제를 자주 봅니다.메타가 항상 PHP 데이터 작업에서 작동하는 것은 아니므로 처음에 다음과 같이 입력하십시오.

<?php header('Content-type: text/html; charset=utf-8');  ?>

언급URL : https://stackoverflow.com/questions/29751/how-can-i-make-this-code-to-submit-a-utf-8-form-textarea-with-jquery-ajax-work

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