遇到的错误之“Could not copy property 'repositoryId' from source to target; nested exception is java.lang.reflect.InvocationTargetException”

[ERROR][2023-09-03 21:54:10] | Combination收入费用数据导出异常 
org.springframework.beans.FatalBeanException: Could not copy property 'repositoryId' from source to target; nested exception is java.lang.reflect.InvocationTargetException
    at org.springframework.beans.BeanUtils.copyProperties(BeanUtils.java:626)
    at org.springframework.beans.BeanUtils.copyProperties(BeanUtils.java:538)
    at com.bessky.financial.web.controller.analyze.CombinationIncomeCostController.dealSkuRefundExport(CombinationIncomeCostController.java:2026)
    at com.bessky.financial.web.controller.analyze.CombinationIncomeCostController.apportionExportData(CombinationIncomeCostController.java:1552)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133)
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:854)
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:765)
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967)
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901)
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970)
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:655)
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:764)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:232)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
    at com.bessky.financial.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:80)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
    at com.bessky.financial.web.filter.SecurityFilter.doFilter(SecurityFilter.java:145)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:544)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:698)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:364)
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:624)
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:831)
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1651)
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
    at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.GeneratedMethodAccessor820.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.springframework.beans.BeanUtils.copyProperties(BeanUtils.java:622)
    ... 53 more
Caused by: java.lang.NullPointerException
    at com.bessky.financial.pojo.analyze.SkuRefundAnalysisIncomeDto.setRepositoryId(SkuRefundAnalysisIncomeDto.java:676)
    ... 57 more

一、异常问题

Could not copy property 'repositoryId' from source to target; nested exception is java.lang.reflect.InvocationTargetException

二、原因

因为针对repositoryId字段的set是这样的，如果传入的值为null就会在报错，因为repositoryId为null

public void setRepositoryId(Integer repositoryId) {
        this.repositoryId = repositoryId;
        if (0 == repositoryId) {
            this.repository = "国内";
        } else if (1 == repositoryId) {
            this.repository = "转运";
        } else if (2 == repositoryId) {
            this.repository = "海外";
        } else if (3 == repositoryId) {
            this.repository = "FBA";
        } else if (4 == repositoryId) {
            this.repository = "分销";
        }
    }

三、解决方案

1.不传入null值

2.优化set方案

 

四、案例

   @Test
    public void wzwStream()
    {
        User user = new User();

        User user1 = new User();
        user1.setUserId(2);
        user1.setCreatedBy(2);
        user1.setLastUpdatedBy(2);
        user1.setMorePermission(2);
        user1.setJob(2);
        user1.setAuthTransition(2);
        user1.setAuthPerson(2);
        user1.setDepartmentId(null);

        BeanUtils.copyProperties(user1, user);
        System.out.println("user1 = " + user1);
    }

  public void setDepartmentId(Integer departmentId)
    {
        this.departmentId = departmentId;
        if (0 == departmentId) {
            this.departmentName = "国内";
        } else if (1 == departmentId) {
            this.departmentName = "转运";
        } else if (2 == departmentId) {
            this.departmentName = "海外";
        } else if (3 == departmentId) {
            this.departmentName = "FBA";
        } else if (4 == departmentId) {
            this.departmentName = "分销";
        }
    }