java - Spring 数据蒙戈: BSON field name can not be null

标签 java spring mongodb spring-data

我有一个在 mongo 中运行良好的函数:

db.getCollection('TrainingSession').aggregate(
    {
      "$group":{
       "_id": {  
         "$year":"$startDate"
          },
         "totalPrice": {"$sum": "$billing.price.amount"},
         "totalExtra":  {"$sum": "$billing.extra.amount"},
         "nbOfSession": { "$sum": 1 }

      }
     }, 
     {
         "$match": {
         "_id": 2016
         }
     },
      {  
       "$project":{  
          "nbOfSession":1,
           "total": { "$add": ["$totalPrice", "$totalExtra" ] }
       }
    }

    );

我尝试在 Spring 中实现它，但出现错误。这是java代码:

@Override
public RevenueDTO getRevenuesByYear(int year) {
    Aggregation aggregation = Aggregation.newAggregation(
            project().andExpression("year(startDate)").as("year").andInclude("billing"),
            match(Criteria.where("year").is(year)),
            group("year").sum("billing.price.amount").as("totalPrice").sum("billing.extra.amount").as("totalExtra").count().as("nbOfSessions"),
            project().andInclude("nbOfSessions").andExpression("add(totalPrice, totalExtra)").as("total"));
    return mongoTemplate.aggregate(aggregation, TrainingSession.class, RevenueDTO.class).getUniqueMappedResult();

}

这是错误:

{
  "timestamp": 1481294809990,
  "status": 500,
  "error": "Internal Server Error",
  "exception": "java.lang.IllegalArgumentException",
  "message": "BSON field name can not be null",
  "path": "/api/sessions/revenues/2016"
}

堆栈跟踪:

java.lang.IllegalArgumentException: BSON field name can not be null
at org.bson.AbstractBsonWriter.writeName(AbstractBsonWriter.java:491) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DBObjectCodec.encodeMap(DBObjectCodec.java:219) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DBObjectCodec.writeValue(DBObjectCodec.java:196) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DBObjectCodec.encodeMap(DBObjectCodec.java:220) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DBObjectCodec.writeValue(DBObjectCodec.java:196) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DBObjectCodec.encodeMap(DBObjectCodec.java:220) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DBObjectCodec.writeValue(DBObjectCodec.java:196) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DBObjectCodec.encodeIterable(DBObjectCodec.java:269) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DBObjectCodec.writeValue(DBObjectCodec.java:198) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DBObjectCodec.encode(DBObjectCodec.java:128) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DBObjectCodec.encode(DBObjectCodec.java:61) ~[mongo-java-driver-3.2.2.jar:na]
at org.bson.codecs.BsonDocumentWrapperCodec.encode(BsonDocumentWrapperCodec.java:63) ~[mongo-java-driver-3.2.2.jar:na]
at org.bson.codecs.BsonDocumentWrapperCodec.encode(BsonDocumentWrapperCodec.java:29) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.connection.RequestMessage.addDocument(RequestMessage.java:253) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.connection.RequestMessage.addDocument(RequestMessage.java:205) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.connection.CommandMessage.encodeMessageBodyWithMetadata(CommandMessage.java:75) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.connection.RequestMessage.encodeWithMetadata(RequestMessage.java:160) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.connection.CommandProtocol.sendMessage(CommandProtocol.java:192) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.connection.CommandProtocol.execute(CommandProtocol.java:111) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.connection.DefaultServer$DefaultServerProtocolExecutor.execute(DefaultServer.java:159) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.connection.DefaultServerConnection.executeProtocol(DefaultServerConnection.java:286) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.connection.DefaultServerConnection.command(DefaultServerConnection.java:173) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:215) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:186) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:178) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:91) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.operation.CommandOperationHelper.executeWrappedCommandProtocol(CommandOperationHelper.java:84) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.operation.CommandReadOperation.execute(CommandReadOperation.java:55) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.Mongo.execute(Mongo.java:772) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.Mongo$2.execute(Mongo.java:759) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DB.executeCommand(DB.java:653) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DB.command(DB.java:423) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DB.command(DB.java:439) ~[mongo-java-driver-3.2.2.jar:na]
at com.mongodb.DB.command(DB.java:394) ~[mongo-java-driver-3.2.2.jar:na]
at org.springframework.data.mongodb.core.MongoTemplate$3.doInDB(MongoTemplate.java:390) ~[spring-data-mongodb-1.9.2.RELEASE.jar:na]
at org.springframework.data.mongodb.core.MongoTemplate$3.doInDB(MongoTemplate.java:388) ~[spring-data-mongodb-1.9.2.RELEASE.jar:na]
at org.springframework.data.mongodb.core.MongoTemplate.execute(MongoTemplate.java:446) ~[spring-data-mongodb-1.9.2.RELEASE.jar:na]
at org.springframework.data.mongodb.core.MongoTemplate.executeCommand(MongoTemplate.java:388) ~[spring-data-mongodb-1.9.2.RELEASE.jar:na]
at org.springframework.data.mongodb.core.MongoTemplate.aggregate(MongoTemplate.java:1552) ~[spring-data-mongodb-1.9.2.RELEASE.jar:na]
at org.springframework.data.mongodb.core.MongoTemplate.aggregate(MongoTemplate.java:1481) ~[spring-data-mongodb-1.9.2.RELEASE.jar:na]
at com.zenika.training.ops.session.SessionRepositoryImpl.getRevenuesByYear(SessionRepositoryImpl.java:32) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_101]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_101]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_101]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_101]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:503) ~[spring-data-commons-1.12.2.RELEASE.jar:na]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:478) ~[spring-data-commons-1.12.2.RELEASE.jar:na]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:460) ~[spring-data-commons-1.12.2.RELEASE.jar:na]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:61) ~[spring-data-commons-1.12.2.RELEASE.jar:na]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) ~[spring-aop-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at com.sun.proxy.$Proxy105.getRevenuesByYear(Unknown Source) ~[na:na]
at com.zenika.training.ops.session.SessionService.getRevenuesByYear(SessionService.java:540) ~[classes/:na]
at com.zenika.training.ops.session.SessionController.getRevenuesByYear(SessionController.java:176) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_101]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_101]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_101]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_101]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:114) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) ~[spring-webmvc-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at com.auth0.spring.security.api.Auth0CORSFilter.doFilter(Auth0CORSFilter.java:23) ~[auth0-spring-security-api-0.3.2.jar:na]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at com.auth0.spring.security.api.Auth0CORSFilter.doFilter(Auth0CORSFilter.java:23) ~[auth0-spring-security-api-0.3.2.jar:na]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:115) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:169) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:121) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:66) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at com.auth0.spring.security.api.Auth0AuthenticationFilter.doFilter(Auth0AuthenticationFilter.java:55) ~[auth0-spring-security-api-0.3.2.jar:na]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at com.auth0.spring.security.api.Auth0CORSFilter.doFilter(Auth0CORSFilter.java:23) ~[auth0-spring-security-api-0.3.2.jar:na]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177) ~[spring-security-web-4.1.1.RELEASE.jar:4.1.1.RELEASE]
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:87) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-4.3.2.RELEASE.jar:4.3.2.RELEASE]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) ~[tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:108) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:522) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:1110) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:785) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1425) [tomcat-embed-core-8.5.4.jar:8.5.4]
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.4.jar:8.5.4]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_101]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_101]
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.4.jar:8.5.4]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_101]

非常感谢您的帮助。

最佳答案

感谢一位 friend ，它是这样工作的:

Aggregation aggregation = newAggregation(
            project("billing")
                    .andExpression("year(startDate)").as("year"),
            match(where("year").is(year)),
            group("year")
                    .sum("billing.price.amount").as("totalPrice")
                    .sum("billing.extra.amount").as("totalExtra")
                    .count().as("nbOfSessions"),
            project("nbOfSessions")
                    .andExpression("totalPrice + totalExtra").as("total")
    );

所以；我关闭帖子。谢谢大家

关于java - Spring 数据蒙戈: BSON field name can not be null，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/41063316/

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