如何解决从mongodb服务器检索数据时遇到错误
服务器成功启动,并且也接受数据,但是当我检索数据时,出现以下错误:
o.a.c.c.C。[。[。[/]。[dispatcherServlet]:上下文中Servlet [dispatcherServlet]的Servlet.service()
路径[]引发异常[请求处理失败;嵌套异常是
org.springframework.data.mongodb.UncategorizedMongoDbException:查询失败,错误代码2和错误
消息“字段'locale'在以下位置无效:{locale:“ Tax”}'在服务器localhost:27017上;嵌套异常是
com.mongodb.MongoQueryException:查询失败,错误代码2,错误消息“字段'locale'为
在服务器localhost:27017上的{locale:“ Tax”}'中无效,其根本原因是com.mongodb.MongoQueryException:查询失败,错误代码2,错误消息“字段'locale'为
在服务器localhost:27017上的{{语言环境:“ Tax”}“中无效com.mongodb.internal.operation.FindOperation $ 1.call(FindOperation.java:635)〜[mongodb-driver- 核心- 4.0.5.jar:na] 在com.mongodb.internal.operation.FindOperation $ 1.call(FindOperation.java:625)〜[mongodb-driver-core-4.0.5.jar:na] 在com.mongodb.internal.operation.OperationHelper.withReadConnectionSource(OperationHelper.java:462)〜[mongodb-driver-core-4.0.5.jar:na] 在com.mongodb.internal.operation.FindOperation.execute(FindOperation.java:625)〜[mongodb-driver-core-4.0.5.jar:na] 在com.mongodb.internal.operation.FindOperation.execute(FindOperation.java:77)〜[mongodb-driver-core-4.0.5.jar:na] 在com.mongodb.client.internal.MongoClientDelegate $ DelegateOperationExecutor.execute(MongoClientDelegate.java:190)〜[mongodb-driver-sync-4.0.5.jar:na] 在com.mongodb.client.internal.MongoIterableImpl.execute(MongoIterableImpl.java:135)〜[mongodb-driver-sync-4.0.5.jar:na] 在com.mongodb.client.internal.MongoIterableImpl.iterator(MongoIterableImpl.java:92)〜[mongodb-driver-sync-4.0.5.jar:na] 在org.springframework.data.mongodb.core.MongoTemplate.executeFindMultiInternal(MongoTemplate.java:2782)〜[spring-data-mongodb-3.0.3.RELEASE.jar:3.0.3.RELEASE] 在org.springframework.data.mongodb.core.MongoTemplate.doFind(MongoTemplate.java:2518)〜[spring-data-mongodb-3.0.3.RELEASE.jar:3.0.3.RELEASE] 在org.springframework.data.mongodb.core.MongoTemplate.doFind(MongoTemplate.java:2500)〜[spring-data-mongodb-3.0.3.RELEASE.jar:3.0.3.RELEASE] 在org.springframework.data.mongodb.core.MongoTemplate.find(MongoTemplate.java:856)〜[spring-data-mongodb-3.0.3.RELEASE.jar:3.0.3.RELEASE] 在org.springframework.data.mongodb.repository.support.SimpleMongoRepository.findAll(SimpleMongoRepository.java:383)〜[spring-data-mongodb-3.0.3.RELEASE.jar:3.0.3.RELEASE] 在org.springframework.data.mongodb.repository.support.SimpleMongoRepository.findAll(SimpleMongoRepository.java:205)〜[spring-data-mongodb-3.0.3.RELEASE.jar:3.0.3.RELEASE] 在java.base / jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(本机方法)〜[na:na] 在java.base / jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)〜[na:na] 在java.base / jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)〜[na:na] 在java.base / java.lang.reflect.Method.invoke(Method.java:567)〜[na:na] 在org.springframework.data.repository.core.support.ImplementationInvocationMetadata.invoke(ImplementationInvocationMetadata.java:72)〜[spring-data-commons-2.3.3.RELEASE.jar:2.3.3.RELEASE] 在org.springframework.data.repository.core.support.RepositoryComposition $ RepositoryFragments.invoke(RepositoryComposition.java:382)〜[spring-data-commons-2.3.3.RELEASE.jar:2.3.3.RELEASE] 在org.springframework.data.repository.core.support.RepositoryComposition.invoke(RepositoryComposition.java:205)〜[spring-data-commons-2.3.3.RELEASE.jar:2.3.3.RELEASE] 在org.springframework.data.repository.core.support.RepositoryFactorySupport $ ImplementationMethodExecutionInterceptor.invoke(RepositoryFactorySupport.java:549)〜[spring-data-commons-2.3.3.RELEASE.jar:2.3.3.RELEASE] 在org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)〜[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:155)〜[spring-data-commons-2.3.3.RELEASE.jar:2.3.3.RELEASE] 在org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:130)〜[spring-data-commons-2.3.3.RELEASE.jar:2.3.3.RELEASE] 在org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)〜[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:80)〜[spring-data-commons-2.3.3.RELEASE.jar:2.3.3.RELEASE] 在org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)〜[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:95)〜[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)〜[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)〜[spring-aop-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在com.sun.proxy。$ Proxy58.findAll(未知来源)〜[na:na] 在net.example.TaxEngine.Resources.TaxController.getTaxs(TaxController.java:31)〜[classes /:na] 在java.base / jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(本机方法)〜[na:na] 在java.base / jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)〜[na:na] 在java.base / jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)〜[na:na] 在java.base / java.lang.reflect.Method.invoke(Method.java:567)〜[na:na] 在org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190)〜[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)〜[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)〜[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:878)〜[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:792)〜[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)〜[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)〜[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)〜[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)〜[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)〜[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在javax.servlet.http.HttpServlet.service(HttpServlet.java:626)〜[tomcat-embed-core-9.0.37.jar:4.0.FR] 在org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)〜[spring-webmvc-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在javax.servlet.http.HttpServlet.service(HttpServlet.java:733)〜[tomcat-embed-core-9.0.37.jar:4.0.FR] 在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)〜[tomcat-embed-websocket-9.0.37.jar:9.0.37] 在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)〜[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)〜[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)〜[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)〜[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)〜[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119)〜[spring-web-5.2.8.RELEASE.jar:5.2.8.RELEASE] 在org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.coyote.AbstractProtocol $ ConnectionHandler.process(AbstractProtocol.java:868)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.tomcat.util.net.NioEndpoint $ SocketProcessor.doRun(NioEndpoint.java:1589)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在java.base / java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)〜[na:na] 在java.base / java.util.concurrent.ThreadPoolExecutor $ Worker.run(ThreadPoolExecutor.java:628)〜[na:na] 在org.apache.tomcat.util.threads.TaskThread $ WrappingRunnable.run(TaskThread.java:61)〜[tomcat-embed-core-9.0.37.jar:9.0.37] 在java.base / java.lang.Thread.run(Thread.java:835)〜[na:na]
Tax.java
package net.example.TaxEngine.Model;
import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;
@Document(collation = "Tax")
public class Tax {
@Id
private String Name;
public String getName() {
return Name;
}
public void setName(String name) {
this.Name = name;
}
}
TaxRepo.java
package net.example.TaxEngine.Repository;
import org.springframework.data.mongodb.repository.MongoRepository;
import net.example.TaxEngine.Model.Tax;
public interface TaxRepo extends MongoRepository<Tax,String> {
public Tax findByname(String Name);
}
Taxcontroller.java
package net.example.TaxEngine.Resources;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
// import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import net.example.TaxEngine.Model.Tax;
import net.example.TaxEngine.Repository.TaxRepo;
@RestController
public class TaxController {
@Autowired
private TaxRepo Repo;
@PostMapping("/addName")
public String SaveName(@RequestBody Tax name) {
Repo.save(name);
return "Added Name:" +name.getName();
}
@GetMapping("/AllNames")
public List<Tax> getTaxs(){
return Repo.findAll();
}
@GetMapping("/message/[name]")
public String getTax(@PathVariable String name) {
return "Hello:" +Repo.findById(name);
}
}
TaxEngineApplication.java
package net.example.TaxEngine;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class TaxEngineApplication {
public static void main(String[] args) {
SpringApplication.run(TaxEngineApplication.class,args);
}
}
ApplicationProperties:
spring.data.mongodb.uri=mongodb://localhost:27017/test
解决方法
您的代码中有一些错字:
@Document(collation = "Tax")
public class Tax {
您正在使用归类,应该使用集合来引用Mongo数据库中的数据结构。
@Document(collection = "Tax")
public class Tax {
要了解有关归类的信息,请检查mongo official documentation
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