img[//cdn.renren.io/a36a5202108290356525514.PNG]
2021-08-29 03:55:31.808 DEBUG 3980 --- [nio-8082-exec-6] i.r.m.s.d.E.selectByElectrolytenoPage : ==> Preparing: select ea.*,cc.*,cc.id as cid from ELECTROLYTEMATERIAL ea,CHEMICALCODE cc where ea.ELECTROLYTENO = cc.ELECTROLYTENO
2021-08-29 03:55:31.808 DEBUG 3980 --- [nio-8082-exec-6] i.r.m.s.d.E.selectByElectrolytenoPage : ==> Parameters:
2021-08-29 03:55:31.815 DEBUG 3980 --- [nio-8082-exec-6] i.r.m.s.d.E.selectByElectrolytenoPage : <== Total: 12
2021-08-29 03:55:31.825 ERROR 3980 --- [nio-8082-exec-6] i.r.common.exception.RRExceptionHandler : null
java.lang.NullPointerException: null
at com.baomidou.mybatisplus.core.override.MybatisMapperMethod.execute(MybatisMapperMethod.java:104)
at com.baomidou.mybatisplus.core.override.MybatisMapperProxy.invoke(MybatisMapperProxy.java:96)
at com.sun.proxy.$Proxy134.selectByElectrolytenoPage(Unknown Source)
at io.renren.modules.sys.service.impl.ElectrolytematerialServiceImpl.selectByElectrolytenoPage(ElectrolytematerialServiceImpl.java:78)
at io.renren.modules.sys.service.impl.ElectrolytematerialServiceImpl.queryPage(ElectrolytematerialServiceImpl.java:71)
at io.renren.modules.sys.service.impl.ElectrolytematerialServiceImpl$$FastClassBySpringCGLIB$$6b32fcab.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:769)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163)
at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:747)
at org.springframework.transaction.interceptor.TransactionInterceptor$$Lambda$761/806333361.proceedWithInvocation(Unknown Source)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:366)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:99)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186)
