biz自定义包名项目添加 @TenantDS后，“EL1007E: Property or field 'tenantId' cannot be found on null”

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305686839 剑圣 2021-04-18 08:50

一、该问题的重现步骤是什么？

1. biz项目自定义包名。

2. 新建表并增加tenant_id字段。

3. 使用代码生成器生成的代码，实体类改为继承 TenantEntity。然后正常调用都没有问题。

4.但是在控制器上添加 @TenantDS。然后调用接口就示“EL1007E: Property or field 'tenantId' cannot be found on null”

二、你期待的结果是什么？实际看到的又是什么？

三、你正在使用的是什么产品，什么版本？在什么操作系统上？

BladeX 2.8.0.RELEASE

四、请提供详细的错误堆栈信息，这很重要。

2021-04-18 08:43:46.815 ERROR 13652 --- [ XNIO-1 task-2] o.s.c.l.e.BladeRestExceptionTranslator : 服务器异常

org.springframework.expression.spel.SpelEvaluationException: EL1007E: Property or field 'tenantId' cannot be found on null

at org.springframework.expression.spel.ast.PropertyOrFieldReference.readProperty(PropertyOrFieldReference.java:213)

at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:104)

at org.springframework.expression.spel.ast.PropertyOrFieldReference.access$000(PropertyOrFieldReference.java:51)

at org.springframework.expression.spel.ast.PropertyOrFieldReference$AccessorLValue.getValue(PropertyOrFieldReference.java:406)

at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:92)

at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:112)

at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:272)

at com.baomidou.dynamic.datasource.processor.DsSpelExpressionProcessor.doDetermineDatasource(DsSpelExpressionProcessor.java:78)

at com.baomidou.dynamic.datasource.processor.DsProcessor.determineDatasource(DsProcessor.java:54)

at com.baomidou.dynamic.datasource.processor.DsProcessor.determineDatasource(DsProcessor.java:61)

at com.baomidou.dynamic.datasource.aop.DynamicDataSourceAnnotationInterceptor.determineDatasourceKey(DynamicDataSourceAnnotationInterceptor.java:59)

at com.baomidou.dynamic.datasource.aop.DynamicDataSourceAnnotationInterceptor.invoke(DynamicDataSourceAnnotationInterceptor.java:48)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)

at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:749)

at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:691)

at org.aiep.netpaper.controller.NetpaperExamController$$EnhancerBySpringCGLIB$$906be0a9.list(<generated>)

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:190)

at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138)

at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:105)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:878)

at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:792)

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

at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040)

at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943)

at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)

at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:497)

at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:584)

at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:74)

at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129)

at org.springblade.core.log.filter.LogTraceFilter.doFilter(LogTraceFilter.java:39)

at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)