org.hibernate.QueryException: could not instantiate class [com.ak47.cms.cms.dto.TechArticleDto] f...

org.hibernate.QueryException: could not instantiate class [com.ak47.cms.cms.dto.TechArticleDto] from tuple; nested exception is java.lang.IllegalArgumentException: org.hibernate.QueryException: could not instantiate class [com.ak47.cms.cms.dto.TechArticleDto] from tuple
异常堆栈信息:
org.springframework.orm.jpa.EntityManagerFactoryUtils.convertJpaAccessExceptionIfPossible(EntityManagerFactoryUtils.java:368)

org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:227)

org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:507)

org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)

org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:242)

org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:153)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:135)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:61)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

org.springframework.data.repository.core.support.MethodInvocationValidator.invoke(MethodInvocationValidator.java:99)

org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)

com.sun.proxy.$Proxy145.listTechArticleDto(Unknown Source)

com.ak47.cms.cms.controller.TechArticleController.listTechArticle(TechArticleController.kt:28)

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:498)

org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209)

org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136)

org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102)

org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:870)

org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:776)

org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)

org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991)

org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925)

org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:978)

org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:870)

javax.servlet.http.HttpServlet.service(HttpServlet.java:635)

org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:855)

javax.servlet.http.HttpServlet.service(HttpServlet.java:742)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)

org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)

org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)

org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)

org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:387)

org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)

org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:158)

org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:126)

org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:111)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:84)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

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:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

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:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)

org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)

org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496)

org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)

org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)

org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)

org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)

org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803)

org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)

org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)

org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)

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:748)

解决方案

检查一下 DTO 的成员变量, 构造对象的时候, 入参有一个值是null 导致转换异常

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