Elasticsearch查询时报错?报错
我在项目中发现如果我添加索引时的对象的属性中包含其他自定义对象，则在查询时会报错，示例如下：
我要添加 的索引对象 如下，属性中包含User对象（关键就在这个User对象）
public class Blog {
private Integer id;
private String blogTitle; // 博客标题
private String blogAbstract; // 博客摘要
private String blogContent; // 博客内容
private String blogKey; // 博客关键字
private BlogCategory blogCategory; // 博客分类
private User user; // 博客创建者
}
public static Map<String, Object> addIndex(Client client, Blog source,
String index, String type, String id)
throws JsonGenerationException, JsonMappingException, IOException {
Map<String, Object> map = new HashMap<String, Object>();
byte[] json = mapper.writeValueAsBytes(source);
IndexResponse response = client.prepareIndex(index, type, id)
.setSource(json).get();
map.put("_index", response.getIndex());
map.put("_type", response.getType());
map.put("_id", response.getId());
map.put("_version", response.getVersion());
map.put("created", response.isCreated());
closeClient(client);
return map;
}
User属性也能正常添加，但是使用下面的代码查询时就有问题 ：
public static List<Blog> queryIndex(Client client, String index,
String type, String searchKey, String searchValue) throws JsonParseException, JsonMappingException, IOException
{
QueryBuilder qb = new BoolQueryBuilder().must(QueryBuilders.matchQuery(
searchKey, searchValue));
SearchResponse response = client.prepareSearch(index).setTypes(type)
.setQuery(qb).execute().actionGet();
SearchHit[] hits = response.getHits().getHits();
List<Blog> blogList = new ArrayList<Blog>();
for (SearchHit hit : hits) {
// Blog blog = mapper.readValue(hit.getSourceAsString(), Blog.class);
Blog blog = mapper.readValue(hit.getSourceAsString(), Blog.class);
blogList.add(blog);
}
client.close();
return blogList;
}
[org.elasticsearch.plugins] - [Thunderclap] loaded [], sites [] org.codehaus.jackson.map.JsonMappingException: Conflicting setter definitions for property "userId": com.blog.entity.User#setUserId(1 params) vs com.blog.entity.User#setUserId(1 params) at org.codehaus.jackson.map.deser.StdDeserializerProvider._createAndCache2(StdDeserializerProvider.java:315) at org.codehaus.jackson.map.deser.StdDeserializerProvider._createAndCacheValueDeserializer(StdDeserializerProvider.java:290) at org.codehaus.jackson.map.deser.StdDeserializerProvider.findValueDeserializer(StdDeserializerProvider.java:159) at org.codehaus.jackson.map.deser.std.StdDeserializer.findDeserializer(StdDeserializer.java:620) at org.codehaus.jackson.map.deser.BeanDeserializer.resolve(BeanDeserializer.java:379) at org.codehaus.jackson.map.deser.StdDeserializerProvider._resolveDeserializer(StdDeserializerProvider.java:407) at org.codehaus.jackson.map.deser.StdDeserializerProvider._createAndCache2(StdDeserializerProvider.java:352) at org.codehaus.jackson.map.deser.StdDeserializerProvider._createAndCacheValueDeserializer(StdDeserializerProvider.java:290) at org.codehaus.jackson.map.deser.StdDeserializerProvider.findValueDeserializer(StdDeserializerProvider.java:159) at org.codehaus.jackson.map.deser.std.StdDeserializer.findDeserializer(StdDeserializer.java:620) at org.codehaus.jackson.map.deser.BeanDeserializer.resolve(BeanDeserializer.java:379) at org.codehaus.jackson.map.deser.StdDeserializerProvider._resolveDeserializer(StdDeserializerProvider.java:407) at org.codehaus.jackson.map.deser.StdDeserializerProvider._createAndCache2(StdDeserializerProvider.java:352) at org.codehaus.jackson.map.deser.StdDeserializerProvider._createAndCacheValueDeserializer(StdDeserializerProvider.java:290) at org.codehaus.jackson.map.deser.StdDeserializerProvider.findValueDeserializer(StdDeserializerProvider.java:159) at org.codehaus.jackson.map.deser.StdDeserializerProvider.findTypedValueDeserializer(StdDeserializerProvider.java:180) at org.codehaus.jackson.map.ObjectMapper._findRootDeserializer(ObjectMapper.java:2829) at org.codehaus.jackson.map.ObjectMapper._readMapAndClose(ObjectMapper.java:2728) at org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1863) at com.blog.util.ElasticsearchUtil.queryIndex(ElasticsearchUtil.java:279) at com.blog.controller.IndexController.query(IndexController.java:86) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219) 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:745) at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686) at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80) at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936) at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:838) at javax.servlet.http.HttpServlet.service(HttpServlet.java:650) at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812) at javax.servlet.http.HttpServlet.service(HttpServlet.java:731) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:442) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1083) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:640) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2517) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2506) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.IllegalArgumentException: Conflicting setter definitions for property "userId": com.blog.entity.User#setUserId(1 params) vs com.blog.entity.User#setUserId(1 params) at org.codehaus.jackson.map.introspect.POJOPropertyBuilder.getSetter(POJOPropertyBuilder.java:199) at org.codehaus.jackson.map.deser.BeanDeserializerFactory.addBeanProps(BeanDeserializerFactory.java:1161) at org.codehaus.jackson.map.deser.BeanDeserializerFactory.buildBeanDeserializer(BeanDeserializerFactory.java:707) at org.codehaus.jackson.map.deser.BeanDeserializerFactory.createBeanDeserializer(BeanDeserializerFactory.java:636) at org.codehaus.jackson.map.deser.StdDeserializerProvider._createDeserializer(StdDeserializerProvider.java:401) at org.codehaus.jackson.map.deser.StdDeserializerProvider._createAndCache2(StdDeserializerProvider.java:310) ... 62 more
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https://developer.aliyun.com/profile/5yerqm5bn5yqg?spm=a2c6h.12873639.0.0.6eae304abcjaIB
http://stackoverflow.com/questions/14706600/how-to-solve-conflicting-getter-definitions-for-property-in-jackson
Json串反序列化User时出错了，User类你还没贴出来。
夜行侠老师视频教学：es问题汇总
http://www.itjoin.org/
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20、es底层检索的全过2020-06-08 20:44:15赞同 展开评论
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