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Unexpected row count: 0 expected: 1
org.hibernate.HibernateException: Unexpected row count: 0 expected: 1	at org.hibernate.jdbc.NonBatchingBatcher.addToBatch(NonBatchingBatcher.java:32)	at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntityPersister.java:2069)	at org.hibernate.persister.entity.BasicEntityPersister.delete(BasicEntityPersister.java:2213)	at org.hibernate.action.EntityDeleteAction.execute(EntityDeleteAction.java:59)	at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:239)	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:223)	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:141)	at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:274)	at org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:48)	at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:711)	at org.hibernate.impl.SessionImpl.prepareQueries(SessionImpl.java:895)	at org.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:885)	at org.hibernate.impl.SessionImpl.executeUpdate(SessionImpl.java:865)	at org.hibernate.impl.QueryImpl.executeUpdate(QueryImpl.java:89)	at com.ri.app.oes.domain.CustomNodesDAO$4.doInHibernate(CustomNodesDAO.java:169)	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:367)	at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:333)	at com.ri.app.oes.domain.CustomNodesDAO.fixTree(CustomNodesDAO.java:141)	at com.ri.app.oes.service.impl.OESNodeServiceManagerImpl.deleteNode(OESNodeServiceManagerImpl.java:83)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:299)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:139)	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)	at $Proxy52.deleteNode(Unknown Source)	at com.ri.app.oes.service.impl.OESJobServiceManagerImpl.deleteActivity(OESJobServiceManagerImpl.java:596)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:299)	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:172)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:139)	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:161)	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)	at $Proxy53.deleteActivity(Unknown Source)	at com.ri.app.oes.view.bean.job.JobDetailBean.deleteActivity(JobDetailBean.java:224)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.sun.el.parser.AstValue.invoke(AstValue.java:151)	at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:283)	at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)	at com.sun.facelets.el.LegacyMethodBinding.invoke(LegacyMethodBinding.java:69)	at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:63)	at javax.faces.component.UICommand.broadcast(UICommand.java:106)	at org.ajax4jsf.framework.ajax.AjaxViewRoot.processEvents(AjaxViewRoot.java:180)	at org.ajax4jsf.framework.ajax.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:158)	at org.ajax4jsf.framework.ajax.AjaxViewRoot.processApplication(AjaxViewRoot.java:346)	at org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication(LifecycleImpl.java:316)	at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:86)	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:106)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127)	at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at com.ri.app.oes.view.filter.HttpSessionFilter.doFilter(HttpSessionFilter.java:123)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:122)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:183)	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)	at java.lang.Thread.run(Thread.java:619)