#spring #spring-mvc #spring-data #spring-roo #spring-data-jpa
#весна #весна-mvc #весна-данные #spring-roo #весна-данные-jpa
Вопрос:
У меня есть приложение Spring MVC с компонентами @Controller, @Service и @Repository (все они сгенерированы из Spring Roo). Я пытаюсь поймать исключение ConstraintViolationException в контроллере, но у меня это не получается. Я пытаюсь обработать все исключения на уровне контроллера, но проблема в том, что когда я делаю вызов репозитория из своей службы, и если возникает исключение, я не получаю поток внутри моего блока catch в контроллере. Я не могу понять, почему это происходит. Настроено ли это Spring? Заранее благодарю.
Контроллер:
@RequestMapping(method = RequestMethod.POST, headers = "Accept=application/json")
public ResponseEntity<String> createFromJson(@RequestBody IndividualProviderDto individualProviderDto) {
HttpHeaders headers = new HttpHeaders();
headers.add("Content-Type", "application/json");
HttpStatus httpStatus = null;
try {
individualProviderService.saveIndividualProvider(individualProviderDto);
httpStatus = HttpStatus.CREATED;
} catch (ConstraintViolationException e) {
httpStatus = HttpStatus.CONFLICT;
}
return new ResponseEntity<String>(headers, httpStatus);
}
Обслуживание:
public void saveIndividualProvider(IndividualProviderDto individualProviderDto) {
IndividualProvider individualProvider = individualProviderDtoToIndividualProviderMapper.map(individualProviderDto);
individualProviderRepository.save(individualProvider);
}
Стек:
2014-06-24 09:15:36,117 ["http-bio-9001"-exec-6] ERROR org.hibernate.engine.jdbc.spi.SqlExceptionHelper - Duplicate entry 'xxx@gmail.com' for key 'UK_thwi4ibpanesigdfbx3iqt0bg'
Servlet.service() for servlet [bham] in context with path [/cds] threw exception [Request processing failed; nested exception is org.springframework.orm.jpa.JpaSystemException: org.hibernate.exception
.ConstraintViolationException: could not execute statement; nested exception is javax.persistence.PersistenceException: org.hibernate.exception.ConstraintViolationException: could not execute statemen
t] with root cause
com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Duplicate entry 'xxx@gmail.com' for key 'UK_thwi4ibpanesigdfbx3iqt0bg'
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.Util.getInstance(Util.java:386)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1041)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4237)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4169)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2617)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2778)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2825)
at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2156)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2441)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2366)
at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2350)
at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:105)
at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:105)
at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.executeUpdate(ResultSetReturnImpl.java:187)
at org.hibernate.id.IdentityGenerator$GetGeneratedKeysDelegate.executeAndExtract(IdentityGenerator.java:96)
at org.hibernate.id.insert.AbstractReturningDelegate.performInsert(AbstractReturningDelegate.java:58)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3032)
at org.hibernate.persister.entity.AbstractEntityPersister.insert(AbstractEntityPersister.java:3558)
at org.hibernate.action.internal.EntityIdentityInsertAction.execute(EntityIdentityInsertAction.java:98)
at org.hibernate.engine.spi.ActionQueue.execute(ActionQueue.java:490)
at org.hibernate.engine.spi.ActionQueue.addResolvedEntityInsertAction(ActionQueue.java:195)
at org.hibernate.engine.spi.ActionQueue.addInsertAction(ActionQueue.java:179)
at org.hibernate.engine.spi.ActionQueue.addAction(ActionQueue.java:214)
at org.hibernate.event.internal.AbstractSaveEventListener.addInsertAction(AbstractSaveEventListener.java:324)
at org.hibernate.event.internal.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:288)
at org.hibernate.event.internal.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:194)
at org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:125)
at org.hibernate.jpa.event.internal.core.JpaPersistEventListener.saveWithGeneratedId(JpaPersistEventListener.java:84)
at org.hibernate.event.internal.DefaultPersistEventListener.entityIsTransient(DefaultPersistEventListener.java:206)
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:149)
at org.hibernate.event.internal.DefaultPersistEventListener.onPersist(DefaultPersistEventListener.java:75)
at org.hibernate.internal.SessionImpl.firePersist(SessionImpl.java:811)
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:784)
at org.hibernate.internal.SessionImpl.persist(SessionImpl.java:789)
at org.hibernate.jpa.spi.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:1181)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:342)
at com.sun.proxy.$Proxy97.persist(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:262)
at com.sun.proxy.$Proxy96.persist(Unknown Source)
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:369)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:358)
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:343)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.data.jpa.repository.support.LockModeRepositoryPostProcessor$LockModePopulatingMethodIntercceptor.invoke(LockModeRepositoryPostProcessor.java:105)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
at com.sun.proxy.$Proxy98.save(Unknown Source)
at com.mycompany.bham.service.provider.IndividualProviderServiceImpl.saveIndividualProvider(IndividualProviderServiceImpl.java:82)
at com.mycompany.bham.web.IndividualProviderController.createFromJson(IndividualProviderController.java:88)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
Комментарии:
1. Можете ли вы опубликовать свой код? Как выглядит журнал при возникновении исключения?
2. Отредактировал мой вопрос, чтобы включить код и журнал.
3. Мне кажется, что генерируемое исключение — это a
org.springframework.orm.jpa.JpaSystemException, я не прав? Вместо этого попробуйте перехватить это исключение.4. Spring, вероятно, переносит ваше исключение
5. ‘sp00m’ является правильным. Мне пришлось перехватить JpaSystemException. Я смотрел на неправильное исключение — нужно быть более осторожным при просмотре стека. Спасибо вам всем! 🙂
Ответ №1:
Возможно, вы захотите использовать обработчик исключений Spring http://spring.io/blog/2013/11/01/exception-handling-in-spring-mvc
Вот пример кода:
@Controller
public class ExceptionHandlingController {
// @RequestHandler methods
...
// Exception handling methods
// Convert a predefined exception to an HTTP Status code
@ResponseStatus(value=HttpStatus.CONFLICT, reason="Data integrity violation") // 409
@ExceptionHandler(DataIntegrityViolationException.class)
public void conflict() {
// Nothing to do
}
// Specify the name of a specific view that will be used to display the error:
@ExceptionHandler({SQLException.class,DataAccessException.class})
public String databaseError() {
// Nothing to do. Returns the logical view name of an error page, passed to
// the view-resolver(s) in usual way.
// Note that the exception is _not_ available to this view (it is not added to
// the model) but see "Extending ExceptionHandlerExceptionResolver" below.
return "databaseError";
}
// Total control - setup a model and return the view name yourself. Or consider
// subclassing ExceptionHandlerExceptionResolver (see below).
@ExceptionHandler(Exception.class)
public ModelAndView handleError(HttpServletRequest req, Exception exception) {
logger.error("Request: " req.getRequestURL() " raised " exception);
ModelAndView mav = new ModelAndView();
mav.addObject("exception", exception);
mav.addObject("url", req.getRequestURL());
mav.setViewName("error");
return mav;
}
}