《Springboot极简教程》MappingMongoConverter:Failed to convert from type [java.lang.String] to type [long] for value 'null'; ne

Failed to convert from type [java.lang.String] to type [long] for value ’null’; nested exception is java.lang.IllegalArgumentException: A null value cannot be assigned to a primitive type>

org.springframework.core.convert.support.GenericConversionService.assertNotPrimitiveTargetType(GenericConversionService.java:336) org.springframework.core.convert.support.GenericConversionService.handleResult(GenericConversionService.java:329) org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:204) org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:187) org.springframework.data.mongodb.core.convert.MappingMongoConverter.getPotentiallyConvertedSimpleRead(MappingMongoConverter.java:828) org.springframework.data.mongodb.core.convert.MappingMongoConverter.readValue(MappingMongoConverter.java:1216) org.springframework.data.mongodb.core.convert.MappingMongoConverter.access$200(MappingMongoConverter.java:84) org.springframework.data.mongodb.core.convert.MappingMongoConverter$MongoDbPropertyValueProvider.getPropertyValue(MappingMongoConverter.java:1162) org.springframework.data.mongodb.core.convert.MappingMongoConverter$MongoDbPropertyValueProvider.getPropertyValue(MappingMongoConverter.java:1125) org.springframework.data.mapping.model.PersistentEntityParameterValueProvider.getParameterValue(PersistentEntityParameterValueProvider.java:78) org.springframework.data.mapping.model.SpELExpressionParameterValueProvider.getParameterValue(SpELExpressionParameterValueProvider.java:63) org.springframework.data.convert.ReflectionEntityInstantiator.createInstance(ReflectionEntityInstantiator.java:71) org.springframework.data.convert.ClassGeneratingEntityInstantiator.createInstance(ClassGeneratingEntityInstantiator.java:83) org.springframework.data.mongodb.core.convert.MappingMongoConverter.read(MappingMongoConverter.java:257) org.springframework.data.mongodb.core.convert.MappingMongoConverter.read(MappingMongoConverter.java:237) org.springframework.data.mongodb.core.convert.MappingMongoConverter.read(MappingMongoConverter.java:197) org.springframework.data.mongodb.core.convert.MappingMongoConverter.read(MappingMongoConverter.java:193) org.springframework.data.mongodb.core.convert.MappingMongoConverter.read(MappingMongoConverter.java:84) org.springframework.data.mongodb.core.MongoTemplate$ReadDbObjectCallback.doWith(MongoTemplate.java:2313) org.springframework.data.mongodb.core.MongoTemplate.executeFindMultiInternal(MongoTemplate.java:1966) org.springframework.data.mongodb.core.MongoTemplate.doFind(MongoTemplate.java:1784) org.springframework.data.mongodb.core.MongoTemplate.doFind(MongoTemplate.java:1767) org.springframework.data.mongodb.core.MongoTemplate.find(MongoTemplate.java:641) org.springframework.data.mongodb.repository.support.SimpleMongoRepository.findAll(SimpleMongoRepository.java:359) org.springframework.data.mongodb.repository.support.SimpleMongoRepository.findAll(SimpleMongoRepository.java:197) org.springframework.data.mongodb.repository.support.SimpleMongoRepository.findAll(SimpleMongoRepository.java:51) sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:504) org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:489) org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:461) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:61) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:57) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) com.sun.proxy.$Proxy140.findAll(Unknown Source) com.restfeel.controller.BlogController.listAll(BlogController.kt:39) com.restfeel.controller.BlogController$$FastClassBySpringCGLIB$$d5b73fa9.invoke() org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:721) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:656) com.restfeel.controller.BlogController$$EnhancerBySpringCGLIB$$20ca6215.listAll() sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:497) org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:116) org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:963) org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:897) org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) javax.servlet.http.HttpServlet.service(HttpServlet.java:622) org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) javax.servlet.http.HttpServlet.service(HttpServlet.java:729) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:108) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:317) org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127) org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:137) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:170) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:116) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:56) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:331) org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:214) org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:177) org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:262) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:105) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106) org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:192) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:165) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:474) org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:349) org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:783) org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:798) org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1434) org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) java.lang.Thread.run(Thread.java:745)

个人总结感想系列 - 2014年总结

今天是2014年最后一天，做一个总结和复盘过去的一年。 学习和成长：

1. 书籍：《java核心技术卷1》《java核心技术2》（部分），《Maven实战》《深入理解Java虚拟机:JVM高级特性与最佳实践》以及《Netty权威指南》和《Spring框架》（一部分）,《HTTP权威指南》，《c语言入门教程》 总体来说这一年看书看的还是比较多的，消化的也还可以。
2. Java方面，深入的理解了Java语言，并且熟练运用了各种Java工具，也深入理解了Spring框架，学习了Netty的Nio框架原理等。产出：1. 做了3个项目。 2. 写了一些技术总结性的博客：
3. PHP方面。PHP开发环境这些进行了整理，产出： 。InitPHP框架开发了4个版本，并且框架也越来越成熟，产出：
4. c语言方面，看了一些c的书，对c语言也有了更多的理解。2015年的重点精力都会放在c上面。 工作和生活
5. 工作上，明显开始感觉遇到技术发展的瓶颈。个人发展也进入迷茫期。但是幸好及时调整，这一年经常会去整理一些自己知道但是并不理解的技术点，让自己的技术知识面更加的广一些。
6. 生活上。生活挺滋润，买了房，夫妻感情非常好，活着挺好，珍惜每一天。 2015年目标 工作学习：
7. c语言会是15年的重点目标。目标产出一个c开源软件初期版本。
8. PHP方面，InitPHP框架会继续更新和发展，整理14年后面发的几个版本代码不严谨的遗留问题。目标产出3-4个版本。
9. Java方面继续深入。产出20篇以上技术博客，对Nio，多线程这块能深入运用，每周整理一个Java的知识点。
10. 每月整理两篇文章，文章内容主要是自己不知道的技术点的深入挖掘。 生活方面： 多赚点钱，多还点房贷，让老婆不要太辛苦，多锻炼身体 保持健康。 理想，最好再干两年有一定经济积累，辞职花几个月时间走遍中国。 2015，加油！