我试图在我的服务层中捕获一个ConstraintViolationException异常,并重新抛出一个用户定义的检查异常。我正在捕获控制器中的异常,并向我的BindingResult添加一个错误对象。我正在使用声明式事务管理我试图让我的DAO成为一个Repository并添加了一个PersistenceExceptionTranslationPostProcessor来捕获一个Spring翻译的异常。我还添加了一个txAdvice来回滚所有的throwables。我的例外情况被逮住,但我得到一个错误500:事务回滚后,Spring不关闭休眠会话
Hibernate: insert into user (email, password, first_name, last_name, userType) values (?, ?, ?, ?, 1)
[acme]: [WARN ] - 2013-Feb-05 11:12:43 - SqlExceptionHelper:logExceptions(): SQL Error: 1062, SQLState: 23000
[acme]: [ERROR] - 2013-Feb-05 11:12:43 - SqlExceptionHelper:logExceptions(): Duplicate entry 'admin' for key 'email_unique'
[acme]: [DEBUG] - 2013-Feb-05 11:12:43 - HibernateTransactionManager:processCommit(): Initiating transaction commit
[acme]: [DEBUG] - 2013-Feb-05 11:12:43 - HibernateTransactionManager:doCommit(): Committing Hibernate transaction on Session [SessionImpl(PersistenceContext[entityKeys=[],collectionKeys=[]];ActionQueue[insertions=[] updates=[] deletions=[] collectionCreations=[] collectionRemovals=[] collectionUpdates=[] unresolvedInsertDependencies=UnresolvedEntityInsertActions[]])]
[acme]: [ERROR] - 2013-Feb-05 11:12:43 - AssertionFailure:<init>(): HHH000099: an assertion failure occured (this may indicate a bug in Hibernate, but is more likely due to unsafe use of the session): org.hibernate.AssertionFailure: null id in com.test.model.AdminUser entry (don't flush the Session after an exception occurs)
[acme]: [DEBUG] - 2013-Feb-05 11:12:43 - HibernateTransactionManager:doRollbackOnCommitException(): Initiating transaction rollback after commit exception
org.hibernate.AssertionFailure: null id in com.test.model.AdminUser entry (don't flush the Session after an exception occurs)
at org.hibernate.event.internal.DefaultFlushEntityEventListener.checkId(DefaultFlushEntityEventListener.java:79)
at org.hibernate.event.internal.DefaultFlushEntityEventListener.getValues(DefaultFlushEntityEventListener.java:194)
at org.hibernate.event.internal.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:156)
at org.hibernate.event.internal.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:225)
at org.hibernate.event.internal.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99)
at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:51)
at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1213)
at org.hibernate.internal.SessionImpl.managedFlush(SessionImpl.java:402)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.beforeTransactionCommit(JdbcTransaction.java:101)
at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.commit(AbstractTransactionImpl.java:175)
at org.springframework.orm.hibernate4.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:468)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:754)
我的控制器:
@RequestMapping (method = RequestMethod.POST)
@Transactional
public String registerAdmin(@Valid @ModelAttribute("user") AdminUser user, BindingResult bindingResult, ModelMap model) {
if (bindingResult.hasErrors()) {
return "admin/admins/form";
}
else if (!user.getPassword().equals(user.getConfirmPassword())) {
bindingResult.addError(new ObjectError("user.confirmPassword", "Passwords don't match"));
return "admin/admins/form";
}
else {
user.setPassword(passwordEncoder.encodePassword(user.getPassword(), null));
try {
userService.save(user);
return "redirect:/admin/admins";
} catch(ApplicationException ce) {
bindingResult.addError(new ObjectError("user.email", "Email already registered"));
return "admin/admins/form";
}
}
}
我的Spring配置的部分:
<context:component-scan base-package="com.test.dao, com.test.service" />
<context:property-placeholder location="/WEB-INF/spring.properties"/>
<import resource="springapp-security.xml"/>
<bean class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor"/>
<bean id="myDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/testdb?zeroDateTimeBehavior=convertToNull"/>
<property name="username" value="test"/>
<property name="password" value="test"/>
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="myDataSource"/>
<property name="mappingLocations" value="classpath*:com/test/model/hbm/**/*.hbm.xml" />
<property name="hibernateProperties">
<value>
hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
hibernate.show_sql=true
</value>
</property>
</bean>
<tx:annotation-driven />
<bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<tx:advice id="txAdvice">
<tx:attributes>
<tx:method name="*" rollback-for="Throwable" />
</tx:attributes>
</tx:advice>
服务层:
public class UserServiceImpl implements UserDetailsService, UserService {
private UserDAO dao;
@Override
public void save(User c) throws ApplicationException {
try {
dao.save(c);
} catch(DataIntegrityViolationException cve) {
throw new ApplicationException("email already registered");
}
}
如果我不赶上运行时异常我没有得到休眠异常(不刷新会话..)
从你的代码看来,事务是从控制器开始并捕获一个异常。在这种情况下,不会发生回滚(不确定这是否是您想要执行的操作)。从你的帖子你说服务层正在启动一个事务并捕获一个异常。你可以发布该代码吗? –
我的服务层没有启动交易,它在控制器中开始抱歉如果我不清楚。我已经发布了我的服务代码。同样从我的stacktrace,我看到它正在回滚..HibernateTransactionManager:doRollbackOnCommitException():提交异常后启动事务回滚 – user979051