Caused by: org.apache.ibatis.builder.BuilderException: The expression 'pd.nums' evaluated to a null

小咪咪 2022-06-04 08:36 291阅读 0赞

1、错误描述

  1. 2017-11-25 15:22:37,936 ERROR [core.interceptor.ExceptionResolverCustom] (http-apr-8080-exec-5:) nested exception is org.apache.ibatis.builder.BuilderException: The expression 'pd.nums' evaluated to a null value.
  2. org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.builder.BuilderException: The expression 'pd.nums' evaluated to a null value.
  3.     at org.mybatis.spring.MyBatisExceptionTranslator.translateExceptionIfPossible(MyBatisExceptionTranslator.java:73)
  4.     at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:364)
  5.     at com.sun.proxy.$Proxy19.selectList(Unknown Source)
  6.     at org.mybatis.spring.SqlSessionTemplate.selectList(SqlSessionTemplate.java:194)
  7.     at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
  8.     at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:708)
  9.     at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
  10.     at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
  11.     at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
  12.     at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
  13.     at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
  14.     at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
  15.     at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
  16.     at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:644)
  17.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  18.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  19.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  20.     at java.lang.reflect.Method.invoke(Method.java:498)
  21.     at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215)
  22.     at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
  23.     at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
  24.     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)
  25.     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:689)
  26.     at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
  27.     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:938)
  28.     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:870)
  29.     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
  30.     at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)
  31.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
  32.     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
  33.     at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
  34.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
  35.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  36.     at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
  37.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  38.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  39.     at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:123)
  40.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  41.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  42.     at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:61)
  43.     at org.apache.shiro.web.servlet.AdviceFilter.executeChain(AdviceFilter.java:108)
  44.     at org.apache.shiro.web.servlet.AdviceFilter.doFilterInternal(AdviceFilter.java:137)
  45.     at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
  46.     at org.apache.shiro.web.servlet.ProxiedFilterChain.doFilter(ProxiedFilterChain.java:66)
  47.     at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)
  48.     at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)
  49.     at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)
  50.     at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)
  51.     at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)
  52.     at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)
  53.     at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)
  54.     at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
  55.     at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
  56.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  57.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  58.     at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
  59.     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
  60.     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
  61.     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
  62.     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
  63.     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
  64.     at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:506)
  65.     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
  66.     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
  67.     at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
  68.     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
  69.     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
  70.     at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1115)
  71.     at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
  72.     at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpoint.java:2549)
  73.     at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:2538)
  74.     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  75.     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  76.     at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  77.     at java.lang.Thread.run(Thread.java:748)
  78. Caused by: org.apache.ibatis.builder.BuilderException: The expression 'pd.nums' evaluated to a null value.
  79.     at org.apache.ibatis.scripting.xmltags.ExpressionEvaluator.evaluateIterable(ExpressionEvaluator.java:37)
  80.     at org.apache.ibatis.scripting.xmltags.ForEachSqlNode.apply(ForEachSqlNode.java:51)
  81.     at org.apache.ibatis.scripting.xmltags.MixedSqlNode.apply(MixedSqlNode.java:29)
  82.     at org.apache.ibatis.scripting.xmltags.DynamicSqlSource.getBoundSql(DynamicSqlSource.java:37)
  83.     at org.apache.ibatis.mapping.MappedStatement.getBoundSql(MappedStatement.java:265)
  84.     at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:79)
  85.     at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:104)
  86.     at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:98)
  87.     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  88.     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  89.     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  90.     at java.lang.reflect.Method.invoke(Method.java:498)
  91.     at org.mybatis.spring.SqlSessionTemplate$SqlSessionInterceptor.invoke(SqlSessionTemplate.java:354)
  92.     ... 78 more

2、错误原因

  1.   由错误提示可知，是分页的条数为空导致出现这个错误

3、解决办法

（1）检查前台传过来的分页参数

（2）mybatis配置文件里这个地方添加判断

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