如何解决"无法执行语句; SQL [n/a];约束[编号];"？
org.springframework.dao.DataIntegrityViolationException:无法执行语句; SQL [不适用]; 约束[编号]; 嵌套异常是org.hibernate.exception.ConstraintViolationException:无法执行语句org.springframework.orm.hibernate3.SessionFactoryUtils.convertHibernateAccessException(SessionFactoryUtils.java:643)org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java :106)org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:517)org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:755)org.springframework.transaction.support.AbstractPlatformTransactionManager.commit (AbstractPlatformTransactionManager.java:724)org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:475)org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:270)org.springframework.transaction.interceptor .Transac tionInterceptor.invoke(TransactionInterceptor.java:94)org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)com.sun.代理.$ Proxy132.saveListForm(null:-1)sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl .java:43)java.lang.reflect.Method.invoke(Method.java:606)org.springframework.data.repository.core.support.RepositoryFactorySupport $ QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:333)org.springframework.data .repository.core.support.RepositoryFactorySupport $ QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:308)org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)org .springframework.transaction.interceptor.TransactionInterceptor $ 1.proceedWithInvocation(TransactionInterceptor.java:96)org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260)org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor. java:94)org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:155)org.springframework.aop.framework.ReflectiveMethodInvocation.继续(ReflectiveMethodInvocation.java:172)org.springframework.data.jpa.repository.support.LockModeRepositoryPostProcessor $ LockModePopulatingMethodIntercceptor.invoke(LockModeRepositoryPostProcessor.java:92)org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) org.springframework.aop.inte rceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91)org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)com. sun.proxy.$ Proxy133.saveListForm(null:-1)sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:606)org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)org.springframework.aop.framework.ReflectiveMethodInvocation .invokeJoinpoint(ReflectiveMethodInvocation.java:183)org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.i nvoke(PersistenceExceptionTranslationInterceptor.java:155)org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)com.sun.proxy. $ Proxy134.saveListForm(null:-1)com.qmplus.service.impl.ServiceListFormVersionImpl.save(ServiceListFormVersionImpl.java:93)sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:57)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:606)org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils .java:317)org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)org.s pringframework.security.access.intercept.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:64)org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)org.springframework.aop.framework.JdkDynamicAopProxy.invoke( JdkDynamicAopProxy.java:204)com.sun.proxy.$ Proxy135.save(null:-1)com.qmplus.web.controller.ListFormController.save(ListFormController.java:158)com.qmplus.web.controller.ListFormController $ $ FastClassByCGLIB $$ febe95eb.invoke(: - 1)org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)org.springframework.aop.framework.CglibAopProxy $ DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:627) com.qmplus.web.controller.ListFormController $$ EnhancerByCGLIB $$ 5bb46747.save(: - 1)sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57 )sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMeth odAccessorImpl.java:43)java.lang.reflect.Method.invoke(Method.java:606)org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:219)org.springframework.web.method. support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)org.springframework.web.servlet.mvc.method.annotation. RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:745)org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:686)org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle( AbstractHandlerMethodAdapter.java:80)org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:925)org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:856)o rg.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:936)org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:838)javax.servlet.http.HttpServlet.service(HttpServlet.java: 647)org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:812)javax.servlet.http.HttpServlet.service(httpServlet.java:728)org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain. java:305)org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77)org.springframework.web.filter.OncePerRequestFilter. doFilter(OncePerRequestFilter.java:107)org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)com.github.dandelion. datatables.core.web.filter.Da tatablesFilter.doFilter(DatatablesFilter.java:73)org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)net.bull. javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:164)org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)com. qmplus.web.interceptors.TenantFilter.doFilter(TenantFilter.java:60)org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java: 210)org.springframework.security.web.FilterChainProxy $ VirtualFilterChain.doFilter(FilterChainProxy.java:330)org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)org.springframewo rk.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)org.springframework.security.web.FilterChainProxy $ VirtualFilterChain.doFilter(FilterChainProxy.java:342)com.qmplus.web.util.AjaxTimeoutRedirectFilter. doFilter(AjaxTimeoutRedirectFilter.java:47)org.springframework.security.web.FilterChainProxy $ VirtualFilterChain.doFilter(FilterChainProxy.java:342)org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)org. springframework.security.web.FilterChainProxy $ VirtualFilterChain.doFilter(FilterChainProxy.java:342)org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)org.springframework.security.web.FilterChainProxy …