我在服务器控制台上遇到了错误。我在提交表单后创建了一个表单,告知您的请求已成功处理。打开数据库后未插入数据。任何人都可以解决这个异常吗?
com.liferay.portal.kernel.exception.SystemException:com.liferay.portal.kernel.dao.orm.ORMException:java.lang.NullPointerException at com.employee.slayer.service.persistence.EMPFinderImpl.insertEmployees(EMPFinderImpl.java:39) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) 在org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309) 在org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) 在org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) 在org.springframework.aop.aspectj.MethodInvocationProceedingJoinPoint.proceed(MethodInvocationProceedingJoinPoint.java:80) 在com.liferay.portal.dao.shard.ShardAdvice.invokePersistence(ShardAdvice.java:241) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) 在org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethodWithGivenArgs(AbstractAspectJAdvice.java:621) 在org.springframework.aop.aspectj.AbstractAspectJAdvice.invokeAdviceMethod(AbstractAspectJAdvice.java:610) 在org.springframework.aop.aspectj.AspectJAroundAdvice.invoke(AspectJAroundAdvice.java:65) 在org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) 在org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:89) 在org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) 在org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202) 在$ Proxy244.insertEmployees(未知来源) at com.employee.slayer.service.persistence.EMPFinderUtil.insertEmployees(EMPFinderUtil.java:26) at com.employee.slayer.service.impl.EMPLocalServiceImpl.insertEmployees(EMPLocalServiceImpl.java:48) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) 在org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309) 在org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) 在org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) 在org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110) 在
答案 0 :(得分:2)
请检查在EntityFinderImpl类中声明的custom-sql和字符串变量的id名称。如果它不匹配则显示如上所述的错误