我在删除项目中的父对象时遇到问题。 我使用相同的方法删除其他对象，但有时它确实有点挣扎。 通常我用HQL查询来解决这个问题，但这次也没有用。
我使用的数据库是一个oracle数据库。
先谢谢你的帮助，
卡斯帕
ApplicationProperty对象：
@Entity
@Table(name = "APPLICATION_PROPERTIES", uniqueConstraints = @UniqueConstraint(columnNames = { "NAME",
"APPLICATION_ID" }) )
@SequenceGenerator(name = "APP_PROPERTIES_SEQ", initialValue = 1, allocationSize = 100)
public class ApplicationProperty extends DomainObject {
private static final long serialVersionUID = -2441267205536610532L;
@Id
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "APP_PROPERTIES_SEQ")
private Long id;
@ManyToOne(cascade = CascadeType.ALL)
@JoinColumn(name = "APPLICATION_ID", nullable = false)
private ApplicationInfo application;
@NotNull
@NotBlank
private String name;
@OneToMany(cascade = CascadeType.ALL, orphanRemoval=true )
@JoinColumn(name = "APP_PROPERTY_ID")
@LazyCollection(LazyCollectionOption.FALSE)
private List<EnvironmentProperty> environmentProperties;
@Column(name = "REQUIRED")
private Boolean required;
// Getters and setters
EnvironmentProperty对象：
@Entity
@Table(name = "ENVIRONMENT_PROPERTIES")
@SequenceGenerator(name = "ENVIRONMENT_PROPERTIES_SEQ", initialValue = 1, allocationSize = 100)
public class EnvironmentProperty extends DomainObject {
private static final long serialVersionUID = -5469454706207348461L;
@Id
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "ENVIRONMENT_PROPERTIES_SEQ")
private Long id;
@Column(name = "VALUE")
private String value;
@Column(name = "LAST_MODIFIED")
private Date lastModified;
@ManyToOne(cascade = CascadeType.MERGE)
@JoinColumn(name = "ENVIRONMENT_ID", nullable = false)
private Environment environment;
@ManyToOne(cascade = CascadeType.DETACH)
@JoinColumn(name = "APP_PROPERTY_ID", nullable = false)
private ApplicationProperty applicationProperty;
// getters and setters
控制器：
@RequestMapping(value = { "/application/{applicationId}/edit" }, params = {
"removeField" }, method = RequestMethod.POST)
public String removeRow(Model model,@ModelAttribute("app") ApplicationInfo application, HttpServletRequest req,
@PathVariable("applicationId") Long applicationId) throws ApplicationNotFoundException {
int propertyIndex = Integer.parseInt(req.getParameter("removeField"));
applicationPropertyService.deleteProperty(application.getProperties().get(propertyIndex));
List<Customer> customerList = customerService.getAllCustomers();
model.addAttribute("app", application);
model.addAttribute("customerList", customerList);
return "application/edit";
}
从此处我们转到我只在我的DAO中调用此方法的服务：
@Transactional(propagation = Propagation.REQUIRED)
@Override
public void delete(T t) {
if (!getEntityManager().contains(t)) {
t = getEntityManager().merge(t);
}
getEntityManager().remove(t);
}
或者这种方法都失败了：
@Transactional
public void deleteProperty(ApplicationProperty property) {
try {
System.out.println("DAO PROPERTY TO DELETE: " + property);
Query query = entityManager.createQuery("DELETE FROM ApplicationProperty p where p.id=:id");
query.setParameter("id", property.getId());
query.executeUpdate();
} catch (Exception e) {
System.out.println(e);
;
}
}
以下是我得到的例外情况：
Hibernate: delete from APPLICATION_PROPERTIES where id=?
2016-01-20 14:45:09 WARN SqlExceptionHelper:144 - SQL Error: 2292, SQLState: 23000
2016-01-20 14:45:09 ERROR SqlExceptionHelper:146 - ORA-02292: integrity constraint (DEPLOY.FK_96EUW5DGCLGY4Q5MEE9JTBQYR) violated - child record found
javax.persistence.PersistenceException: org.hibernate.exception.ConstraintViolationException: could not execute statement
jan 20, 2016 2:45:09 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Servlet.service() for servlet [spring] in context with path [/mds] threw exception [Request processing failed; nested exception is org.springframework.transaction.TransactionSystemException: Could not commit JPA transaction; nested exception is javax.persistence.RollbackException: Transaction marked as rollbackOnly] with root cause
javax.persistence.RollbackException: Transaction marked as rollbackOnly
at org.hibernate.ejb.TransactionImpl.commit(TransactionImpl.java:72)
at org.springframework.orm.jpa.JpaTransactionManager.doCommit(JpaTransactionManager.java:517)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:757)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:726)
at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:521)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:291)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207)
at com.sun.proxy.$Proxy44.deleteProperty(Unknown Source)
at nl.ciber.deploy.metadata.controller.ApplicationsController.removeRow(ApplicationsController.java:198)
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)
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:648)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1526)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1482)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Unknown Source)