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27
4
将新对象保存到Users表时，我在此方法调用上遇到MySQLIntegrityConstraintViolationException。
sessionFactory.getCurrentSession.save(newUser);
堆栈跟踪:
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.hibernate.exception.ConstraintViolationException: could not execute statement
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:973)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
root cause
org.hibernate.exception.ConstraintViolationException: could not execute statement
org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:74)
org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:49)
org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)
org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)
org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:136)
org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:96)
org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:58)
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2975)
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3487)
org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:81)
org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:377)
org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:214)
org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:194)
org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:178)
org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:321)
org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:286)
org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:192)
org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:125)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:206)
org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:55)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:191)
org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:49)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:90)
org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:764)
org.hibernate.internal.SessionImpl.save(SessionImpl.java:756)
org.hibernate.internal.SessionImpl.save(SessionImpl.java:752)
com.petrez.model.dao.GenericDaoImpl.put(GenericDaoImpl.java:28)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
com.sun.proxy.$Proxy30.put(Unknown Source)
com.petrez.service.RegistrationServiceImpl.registerUser(RegistrationServiceImpl.java:21)
com.petrez.controller.Index.processRegistration(Index.java:36)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:214)
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132)
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:690)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
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$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
root cause
com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Column 'roleId' cannot be null
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:525)
com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
com.mysql.jdbc.Util.getInstance(Util.java:386)
com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1041)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4190)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4122)
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2570)
com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2731)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2818)
com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2157)
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2460)
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2377)
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2361)
org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:133)
org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:96)
org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:58)
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:2975)
org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3487)
org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:81)
org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:377)
org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:214)
org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:194)
org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:178)
org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:321)
org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:286)
org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:192)
org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:125)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:206)
org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:55)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:191)
org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:49)
org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:90)
org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:764)
org.hibernate.internal.SessionImpl.save(SessionImpl.java:756)
org.hibernate.internal.SessionImpl.save(SessionImpl.java:752)
com.petrez.model.dao.GenericDaoImpl.put(GenericDaoImpl.java:28)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
com.sun.proxy.$Proxy30.put(Unknown Source)
com.petrez.service.RegistrationServiceImpl.registerUser(RegistrationServiceImpl.java:21)
com.petrez.controller.Index.processRegistration(Index.java:36)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:601)
org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:214)
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:749)
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:690)
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
我在 MySQL 中有 3 个表。 用户、角色、帐户。
Users 表具有 Roles 的外键:User.roleId -> Roles.roleId 一对多 。主键userId。
Accounts 表具有 Users 的外键:Accounts.accountId -> Users.userId 一对一 。主键accountId
创建新的用户对象
@Override
public void registerUser(Registration reg) {
User newUser = new User();
newUser.setUsername(reg.getEmail());
newUser.setPassword(reg.getPassword());
genericDao.put(newUser);
Integer userId = genericDao.getByName(User.class, "username", reg.getEmail()).get(0).getUserId();
genericDao.put(new Account(userId));
}
我在 genericDao.put(newUser); 方法调用上出现异常。这个方法内部只有我没有创建的 sessionFactory.getCurrentSession().save(obj); Role 对象。因此 User.account 和 User.role 为 NULL。也在MySQL中配置了默认值。
User.java
@Entity
@SuppressWarnings("unused")
@Table(name = "Users", uniqueConstraints = @UniqueConstraint(columnNames = "username"))
public class User implements Serializable, UserDetails{
private static final long serialVersionUID = 6475100100480917262L;
@Id
@Column(name = "userId", length = 10)
@GeneratedValue(strategy = GenerationType.IDENTITY)
private Integer userId;
@JoinColumn(name = "roleId", nullable = true, updatable = false)
@ManyToOne(fetch = FetchType.EAGER, cascade = CascadeType.REMOVE)
private Role role;
@OneToOne(mappedBy = "user", fetch = FetchType.LAZY, cascade = CascadeType.REMOVE)
private Account account;
@Column(name = "username", length = 30)
private String username;
@Column(name = "password", length = 45)
private String password;
@Column(name = "nonExpired")
private boolean accountNonExpired;
@Column(name = "nonLocked")
private boolean accountNonLocked;
@Column(name = "credentialsNonExpired")
private boolean credentialsNonExpired;
@Column(name = "enabled")
private boolean enabled;
//Getter and setters
}
角色.java
@Entity
@SuppressWarnings("unused")
@Table(name = "Roles")
public class Role implements Serializable, GrantedAuthority, Cloneable {
private static final long serialVersionUID = 3586090230433600805L;
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Column(name = "roleId", length = 10, unique = true, nullable = false)
private Integer roleId;
@Column(name = "role", length = 45, unique = true, nullable = true)
private String role;
@OneToMany(cascade = CascadeType.REMOVE, fetch = FetchType.EAGER, mappedBy = "role")
private Set usetSet = new HashSet(0);
//Getters and setters
}
Account.java
@Entity
@Table(name = "Accounts")
@SuppressWarnings("unused")
public class Account implements Serializable {
private static final long serialVersionUID = -7045300306954075788L;
@Id
@GenericGenerator(name = "generator", strategy = "foreign",
parameters = @Parameter(name = "property", value = "user"))
@GeneratedValue(generator = "generator")
@Column(name = "accountId", length = 10, nullable = false)
private Integer accountId;
@Column(name = "firstName", length = 45, nullable = true)
private String firstName;
@Column(name = "lastName", length = 45, nullable = true)
private String lastName;
@Column(name = "gender", nullable = true)
private Boolean gender;
@Temporal(TemporalType.DATE)
@Column(name = "birthDate", nullable = true)
private Date birthDate;
@Column(name = "profilePhoto", length = 250, nullable = false)
private String profilePhoto;
@PrimaryKeyJoinColumn
@OneToOne(fetch = FetchType.EAGER, cascade = CascadeType.REFRESH)
private User user;
//Getters and setters
}
对于此类，我在所有地方都使用默认构造函数。
最佳答案
异常非常明显:角色列(在表 Roles 中)可能不为空。根据堆栈跟踪，我假设您正在保存与角色关联的用户，并且该角色具有空的 role 字段。由于您将关联配置为级联，因此也会保存角色，并且由于它的角色为空，因此插入失败。
编辑:新错误显示数据库中的Users.roleId列不能为空。因此，您必须在保存用户之前为其设置角色。在数据库中为该列指定默认值是没有用的，因为只有在插入语句中没有为该列指定值时才会使用默认值。但 Hibernate 总是会指定一个值。无论如何，默认值都是一个坏主意，因为 Hibernate 不知道它们，因此在不刷新它们的情况下不能将它们放入实体中。
旁注:如果您不从实体上的注释生成数据库架构，则不应指定这些注释的可为空、唯一、长度属性。特别是当它们与数据库中的实际列定义相矛盾时。当列实际上不可为空时，使用 nullable=true 注释列会使事情变得极其困惑。
关于java - hibernate 。将带有外键的对象保存到数据库。 MySQLIntegrityConstraintViolationException : Column cannot be null，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/22120536/
27
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我尝试根据表单元素的更改禁用/启用保存按钮。但是，当通过弹出按钮选择更改隐藏输入字段值时，保存按钮不受影响。 下面是我的代码。我正在尝试序列化旧的表单值并与更改后的表单值进行比较。但我猜隐藏的字段值无
我正在尝试保存模型的实例，但我得到了 Invalid EmbeddedDocumentField item (1) 其中 1 是项目的 ID(我认为)。 模型定义为 class Graph(Docum
我有一个非常奇怪的问题......在我的 iPhone 应用程序中，用户可以打开相机胶卷中的图像，在我的示例中 1920 x 1080 像素 (72 dpi) 的壁纸。 现在，想要将图像的宽度调整为例
目前，我正在使用具有排序/过滤功能的数据表成功地从我的数据库中显示图像元数据。在我的数据表下方，我使用第三方图像覆盖流( http://www.jacksasylum.eu/ContentFlow/
我的脚本有问题。我想按此顺序执行以下步骤: 1. 保存输入字段中的文本。 2. 删除输入字段中的所有文本。 3. 在输入字段中重新加载之前删除的相同文本。 我的脚本的问题是 ug()- 函数在我的文本
任何人都可以帮助我如何保存多对多关系吗？我有任务，用户可以有很多任务，任务可以有很多用户(多对多)，我想要实现的是，在更新表单中，管理员可以将多个用户分配给特定任务。这是通过 html 多选输入来完成
我在 Tensorflow 中训练了一个具有批归一化的模型。我想保存模型并恢复它以供进一步使用。批量归一化是通过 完成的 def batch_norm(input, phase): retur
我遇到了 grails 的问题。我有一个看起来像这样的域: class Book { static belongsTo = Author String toString() { tit
所以我正在开发一个应用程序，一旦用户连接(通过 soundcloud)，就会出现以下对象: {userid: userid, username: username, genre: genre, fol
我正在开发一个具有多选项卡布局的 Angular 7 应用程序。每个选项卡都包含一个组件，该组件可以引用其他嵌套组件。 当用户选择一个新的/另一个选项卡时，当前选项卡上显示的组件将被销毁(我不仅仅是隐
我尝试使用 JEditorPane 进行一些简单的文本格式化，但随着知识的增长，我发现 JTextPane 更容易实现并且更强大。 我的问题是如何将 JTextPane 中的格式化文本保存到文件？它应
使用 Docker 相当新。 我为 Oracle 11g Full 提取了一个图像。创建了一个数据库并将应用程序安装到容器中。 正确配置后，我提交了生成 15GB 镜像的容器。 测试了该图像的新容器，
我是使用 Xcode 和 swift 的新手，仍在学习中。我在将核心数据从实体传递到文本字段/标签时遇到问题，然后用户可以选择编辑和保存记录。我的目标是，当用户从 friendslistViewCon
我正在用 Java 编写 Android 游戏，我需要一种可靠的方法来快速保存和加载应用程序状态。这个问题似乎适用于大多数 OO 语言。 了解我需要保存的内容:我正在使用策略模式来控制我的游戏实体。我
我想知道使用 fstream 加载/保存某种结构类型的数组是否是个好主意。注意，我说的是加载/保存到二进制文件。我应该加载/保存独立变量，例如 int、float、boolean 而不是结构吗？我这么
我希望能够将 QNetworkReply 保存到 QString/QByteArray。在我看到的示例中，它们总是将流保存到另一个文件。 目前我的代码看起来像这样，我从主机那里得到一个字符串，我想做的
我正在创建一个绘图应用程序。我有一个带有 Canvas 的自定义 View ，它根据用户输入绘制线条: class Line { float startX, startY, stopX, stop
我有 3 个 Activity 第一个 Activity 调用第二个 Activity ，第二个 Activity 调用第三个 Activity 。 第二个 Activity 使用第一个 Activi
我想知道如何在 Xcode 中保存 cookie。我想使用从一个网页获取的 cookie 并使用它访问另一个网页。我使用下面的代码登录该网站，我想保存从该连接获得的 cookie，以便在我建立另一个连
我有一个 SQLite 数据库存储我的所有日历事件，建模如下: TimerEvent *Attributes -date -dateForMark -reminder *Relat
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