we almost can't work on same resources concurrently --------------------------------------------------- Key: GTNPORTAL-558 URL: https://jira.jboss.org/jira/browse/GTNPORTAL-558 Project: GateIn Portal Issue Type: Bug Reporter: Hang Nguyen Assignee: Julien Viet Fix For: 3.1.0-GA Now, we will have the exceptions when more than one user interact with same resources at the same time. Example: Steps: At browser 1: - login by root - Go to Dashboard page --> Edit layout --> Edit form appear At browser 2: - Go to Dashboard page --> Edit layout --> Delete some portlet ( Logo, Tabbed portlet) --> Finish Return to browser 1: - Continue delete portlet --> Unknown error. java.lang.AssertionError: Could not find supposed present child with id d86a7c95c0a801bc00a0b042093e 1bac at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:637) at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:565) at org.exoplatform.portal.pom.data.Mapper.save(Mapper.java:339) at org.exoplatform.portal.pom.config.tasks.PortalConfigTask$Save.run(PortalConfigTask.java:1 61) at org.exoplatform.portal.pom.config.tasks.PortalConfigTask$Save.run(PortalConfigTask.java:9 8) at org.exoplatform.portal.pom.config.POMSession.execute(POMSession.java:373) at org.exoplatform.portal.pom.config.ExecutorDispatcher.execute(ExecutorDispatcher.java:41) at org.exoplatform.portal.pom.config.TaskExecutionDecorator.execute(TaskExecutionDecorator.j ava:38) at org.exoplatform.portal.pom.config.cache.DataCache.write(DataCache.java:80) at org.exoplatform.portal.pom.config.cache.DataCache.execute(DataCache.java:56) at org.exoplatform.portal.pom.config.POMSessionManager.execute(POMSessionManager.java:140) at org.exoplatform.portal.pom.config.POMDataStorage.save(POMDataStorage.java:91) at org.exoplatform.portal.config.DataStorageImpl.save(DataStorageImpl.java:107) at org.exoplatform.portal.config.UserPortalConfigService.update(UserPortalConfigService.java :291) at org.exoplatform.portal.webui.portal.UIPortalComposer.save(UIPortalComposer.java:180) at org.exoplatform.portal.webui.portal.UIPortalComposer$FinishActionListener.execute(UIPorta lComposer.java:369) at org.exoplatform.webui.event.Event.broadcast(Event.java:89) at org.exoplatform.webui.core.lifecycle.Lifecycle.processAction(Lifecycle.java:56) at org.exoplatform.webui.core.UIComponent.processAction(UIComponent.java:124) at org.exoplatform.portal.webui.workspace.UIPortalApplicationLifecycle.processAction(UIPorta lApplicationLifecycle.java:66) at org.exoplatform.portal.webui.workspace.UIPortalApplicationLifecycle.processAction(UIPorta lApplicationLifecycle.java:30) at org.exoplatform.webui.core.UIComponent.processAction(UIComponent.java:124) at org.exoplatform.webui.core.UIApplication.processAction(UIApplication.java:113) at org.exoplatform.portal.application.PortalRequestHandler.execute(PortalRequestHandler.java :105) at org.exoplatform.web.WebAppController.service(WebAppController.java:143) at org.exoplatform.portal.application.PortalController.onService(PortalController.java:127) at org.exoplatform.container.web.AbstractHttpServlet.service(AbstractHttpServlet.java:114) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.frameworks.jcr.web.ThreadLocalSessionProviderInitializedFilter.doFilter(T hreadLocalSessionProviderInitializedFilter.java:116) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.web.CacheUserProfileFilter.doFilter(CacheUserProfileFilter.java:68) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.services.security.web.SetCurrentIdentityFilter.doFilter(SetCurrentIdentit yFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.web.filter.ExtensibleFilter$ExtensibleFilterChain.doFilter(ExtensibleFilt er.java:112) at org.exoplatform.web.filter.ExtensibleFilter.doFilter(ExtensibleFilter.java:84) at org.exoplatform.web.filter.GenericFilter.doFilter(GenericFilter.java:66) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.ja va:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619) OR Browser1 - Select a page - Go to edit page ( application) Browser 2 - Go to Edit page above Return to browser 1 - Delete this application --> Finish Comeback borwser 2 - Change somthing in this page - Click Save --> Unknown error. Show exception java.lang.AssertionError: Could not find supposed present child with id 20d61250c0a801bc012440c9b3d1 de73 at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:637) at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:565) at org.exoplatform.portal.pom.data.Mapper.save(Mapper.java:501) at org.exoplatform.portal.pom.config.tasks.PageTask$Save.run(PageTask.java:340) at org.exoplatform.portal.pom.config.tasks.PageTask$Save.run(PageTask.java:296) at org.exoplatform.portal.pom.config.POMSession.execute(POMSession.java:373) at org.exoplatform.portal.pom.config.ExecutorDispatcher.execute(ExecutorDispatcher.java:41) at org.exoplatform.portal.pom.config.TaskExecutionDecorator.execute(TaskExecutionDecorator.j ava:38) at org.exoplatform.portal.pom.config.cache.DataCache.write(DataCache.java:80) at org.exoplatform.portal.pom.config.cache.DataCache.execute(DataCache.java:56) at org.exoplatform.portal.pom.config.POMSessionManager.execute(POMSessionManager.java:140) at org.exoplatform.portal.pom.config.POMDataStorage.save(POMDataStorage.java:122) at org.exoplatform.portal.config.DataStorageImpl.save(DataStorageImpl.java:146) at org.exoplatform.portal.config.UserPortalConfigService.update(UserPortalConfigService.java :382)

we almost can't work on same resources concurrently --------------------------------------------------- Key: GTNPORTAL-558 URL: https://jira.jboss.org/jira/browse/GTNPORTAL-558 Project: GateIn Portal Issue Type: Bug Reporter: Hang Nguyen Assignee: Julien Viet Fix For: 3.1.0-GA Original Estimate: 1 day Remaining Estimate: 1 day Now, we will have the exceptions when more than one user interact with same resources at the same time. Example: Steps: At browser 1: - login by root - Go to Dashboard page --> Edit layout --> Edit form appear At browser 2: - Go to Dashboard page --> Edit layout --> Delete some portlet ( Logo, Tabbed portlet) --> Finish Return to browser 1: - Continue delete portlet --> Unknown error. java.lang.AssertionError: Could not find supposed present child with id d86a7c95c0a801bc00a0b042093e 1bac at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:637) at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:565) at org.exoplatform.portal.pom.data.Mapper.save(Mapper.java:339) at org.exoplatform.portal.pom.config.tasks.PortalConfigTask$Save.run(PortalConfigTask.java:1 61) at org.exoplatform.portal.pom.config.tasks.PortalConfigTask$Save.run(PortalConfigTask.java:9 8) at org.exoplatform.portal.pom.config.POMSession.execute(POMSession.java:373) at org.exoplatform.portal.pom.config.ExecutorDispatcher.execute(ExecutorDispatcher.java:41) at org.exoplatform.portal.pom.config.TaskExecutionDecorator.execute(TaskExecutionDecorator.j ava:38) at org.exoplatform.portal.pom.config.cache.DataCache.write(DataCache.java:80) at org.exoplatform.portal.pom.config.cache.DataCache.execute(DataCache.java:56) at org.exoplatform.portal.pom.config.POMSessionManager.execute(POMSessionManager.java:140) at org.exoplatform.portal.pom.config.POMDataStorage.save(POMDataStorage.java:91) at org.exoplatform.portal.config.DataStorageImpl.save(DataStorageImpl.java:107) at org.exoplatform.portal.config.UserPortalConfigService.update(UserPortalConfigService.java :291) at org.exoplatform.portal.webui.portal.UIPortalComposer.save(UIPortalComposer.java:180) at org.exoplatform.portal.webui.portal.UIPortalComposer$FinishActionListener.execute(UIPorta lComposer.java:369) at org.exoplatform.webui.event.Event.broadcast(Event.java:89) at org.exoplatform.webui.core.lifecycle.Lifecycle.processAction(Lifecycle.java:56) at org.exoplatform.webui.core.UIComponent.processAction(UIComponent.java:124) at org.exoplatform.portal.webui.workspace.UIPortalApplicationLifecycle.processAction(UIPorta lApplicationLifecycle.java:66) at org.exoplatform.portal.webui.workspace.UIPortalApplicationLifecycle.processAction(UIPorta lApplicationLifecycle.java:30) at org.exoplatform.webui.core.UIComponent.processAction(UIComponent.java:124) at org.exoplatform.webui.core.UIApplication.processAction(UIApplication.java:113) at org.exoplatform.portal.application.PortalRequestHandler.execute(PortalRequestHandler.java :105) at org.exoplatform.web.WebAppController.service(WebAppController.java:143) at org.exoplatform.portal.application.PortalController.onService(PortalController.java:127) at org.exoplatform.container.web.AbstractHttpServlet.service(AbstractHttpServlet.java:114) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.frameworks.jcr.web.ThreadLocalSessionProviderInitializedFilter.doFilter(T hreadLocalSessionProviderInitializedFilter.java:116) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.web.CacheUserProfileFilter.doFilter(CacheUserProfileFilter.java:68) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.services.security.web.SetCurrentIdentityFilter.doFilter(SetCurrentIdentit yFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.web.filter.ExtensibleFilter$ExtensibleFilterChain.doFilter(ExtensibleFilt er.java:112) at org.exoplatform.web.filter.ExtensibleFilter.doFilter(ExtensibleFilter.java:84) at org.exoplatform.web.filter.GenericFilter.doFilter(GenericFilter.java:66) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.ja va:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619) OR Browser1 - Select a page - Go to edit page ( application) Browser 2 - Go to Edit page above Return to browser 1 - Delete this application --> Finish Comeback borwser 2 - Change somthing in this page - Click Save --> Unknown error. Show exception java.lang.AssertionError: Could not find supposed present child with id 20d61250c0a801bc012440c9b3d1 de73 at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:637) at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:565) at org.exoplatform.portal.pom.data.Mapper.save(Mapper.java:501) at org.exoplatform.portal.pom.config.tasks.PageTask$Save.run(PageTask.java:340) at org.exoplatform.portal.pom.config.tasks.PageTask$Save.run(PageTask.java:296) at org.exoplatform.portal.pom.config.POMSession.execute(POMSession.java:373) at org.exoplatform.portal.pom.config.ExecutorDispatcher.execute(ExecutorDispatcher.java:41) at org.exoplatform.portal.pom.config.TaskExecutionDecorator.execute(TaskExecutionDecorator.j ava:38) at org.exoplatform.portal.pom.config.cache.DataCache.write(DataCache.java:80) at org.exoplatform.portal.pom.config.cache.DataCache.execute(DataCache.java:56) at org.exoplatform.portal.pom.config.POMSessionManager.execute(POMSessionManager.java:140) at org.exoplatform.portal.pom.config.POMDataStorage.save(POMDataStorage.java:122) at org.exoplatform.portal.config.DataStorageImpl.save(DataStorageImpl.java:146) at org.exoplatform.portal.config.UserPortalConfigService.update(UserPortalConfigService.java :382)

we almost can't work on same resources concurrently --------------------------------------------------- Key: GTNPORTAL-558 URL: https://jira.jboss.org/jira/browse/GTNPORTAL-558 Project: GateIn Portal Issue Type: Bug Reporter: Hang Nguyen Assignee: Minh Hoang TO Fix For: 3.1.0-GA Original Estimate: 1 day Remaining Estimate: 1 day Now, we will have the exceptions when more than one user interact with same resources at the same time. Example: Steps: At browser 1: - login by root - Go to Dashboard page --> Edit layout --> Edit form appear At browser 2: - Go to Dashboard page --> Edit layout --> Delete some portlet ( Logo, Tabbed portlet) --> Finish Return to browser 1: - Continue delete portlet --> Unknown error. java.lang.AssertionError: Could not find supposed present child with id d86a7c95c0a801bc00a0b042093e 1bac at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:637) at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:565) at org.exoplatform.portal.pom.data.Mapper.save(Mapper.java:339) at org.exoplatform.portal.pom.config.tasks.PortalConfigTask$Save.run(PortalConfigTask.java:1 61) at org.exoplatform.portal.pom.config.tasks.PortalConfigTask$Save.run(PortalConfigTask.java:9 8) at org.exoplatform.portal.pom.config.POMSession.execute(POMSession.java:373) at org.exoplatform.portal.pom.config.ExecutorDispatcher.execute(ExecutorDispatcher.java:41) at org.exoplatform.portal.pom.config.TaskExecutionDecorator.execute(TaskExecutionDecorator.j ava:38) at org.exoplatform.portal.pom.config.cache.DataCache.write(DataCache.java:80) at org.exoplatform.portal.pom.config.cache.DataCache.execute(DataCache.java:56) at org.exoplatform.portal.pom.config.POMSessionManager.execute(POMSessionManager.java:140) at org.exoplatform.portal.pom.config.POMDataStorage.save(POMDataStorage.java:91) at org.exoplatform.portal.config.DataStorageImpl.save(DataStorageImpl.java:107) at org.exoplatform.portal.config.UserPortalConfigService.update(UserPortalConfigService.java :291) at org.exoplatform.portal.webui.portal.UIPortalComposer.save(UIPortalComposer.java:180) at org.exoplatform.portal.webui.portal.UIPortalComposer$FinishActionListener.execute(UIPorta lComposer.java:369) at org.exoplatform.webui.event.Event.broadcast(Event.java:89) at org.exoplatform.webui.core.lifecycle.Lifecycle.processAction(Lifecycle.java:56) at org.exoplatform.webui.core.UIComponent.processAction(UIComponent.java:124) at org.exoplatform.portal.webui.workspace.UIPortalApplicationLifecycle.processAction(UIPorta lApplicationLifecycle.java:66) at org.exoplatform.portal.webui.workspace.UIPortalApplicationLifecycle.processAction(UIPorta lApplicationLifecycle.java:30) at org.exoplatform.webui.core.UIComponent.processAction(UIComponent.java:124) at org.exoplatform.webui.core.UIApplication.processAction(UIApplication.java:113) at org.exoplatform.portal.application.PortalRequestHandler.execute(PortalRequestHandler.java :105) at org.exoplatform.web.WebAppController.service(WebAppController.java:143) at org.exoplatform.portal.application.PortalController.onService(PortalController.java:127) at org.exoplatform.container.web.AbstractHttpServlet.service(AbstractHttpServlet.java:114) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.frameworks.jcr.web.ThreadLocalSessionProviderInitializedFilter.doFilter(T hreadLocalSessionProviderInitializedFilter.java:116) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.web.CacheUserProfileFilter.doFilter(CacheUserProfileFilter.java:68) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.services.security.web.SetCurrentIdentityFilter.doFilter(SetCurrentIdentit yFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.web.filter.ExtensibleFilter$ExtensibleFilterChain.doFilter(ExtensibleFilt er.java:112) at org.exoplatform.web.filter.ExtensibleFilter.doFilter(ExtensibleFilter.java:84) at org.exoplatform.web.filter.GenericFilter.doFilter(GenericFilter.java:66) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.ja va:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619) OR Browser1 - Select a page - Go to edit page ( application) Browser 2 - Go to Edit page above Return to browser 1 - Delete this application --> Finish Comeback borwser 2 - Change somthing in this page - Click Save --> Unknown error. Show exception java.lang.AssertionError: Could not find supposed present child with id 20d61250c0a801bc012440c9b3d1 de73 at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:637) at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:565) at org.exoplatform.portal.pom.data.Mapper.save(Mapper.java:501) at org.exoplatform.portal.pom.config.tasks.PageTask$Save.run(PageTask.java:340) at org.exoplatform.portal.pom.config.tasks.PageTask$Save.run(PageTask.java:296) at org.exoplatform.portal.pom.config.POMSession.execute(POMSession.java:373) at org.exoplatform.portal.pom.config.ExecutorDispatcher.execute(ExecutorDispatcher.java:41) at org.exoplatform.portal.pom.config.TaskExecutionDecorator.execute(TaskExecutionDecorator.j ava:38) at org.exoplatform.portal.pom.config.cache.DataCache.write(DataCache.java:80) at org.exoplatform.portal.pom.config.cache.DataCache.execute(DataCache.java:56) at org.exoplatform.portal.pom.config.POMSessionManager.execute(POMSessionManager.java:140) at org.exoplatform.portal.pom.config.POMDataStorage.save(POMDataStorage.java:122) at org.exoplatform.portal.config.DataStorageImpl.save(DataStorageImpl.java:146) at org.exoplatform.portal.config.UserPortalConfigService.update(UserPortalConfigService.java :382)

we almost can't work on same resources concurrently --------------------------------------------------- Key: GTNPORTAL-558 URL: https://jira.jboss.org/jira/browse/GTNPORTAL-558 Project: GateIn Portal Issue Type: Bug Reporter: Hang Nguyen Assignee: Minh Hoang TO Fix For: 3.1.0-GA Original Estimate: 1 day Remaining Estimate: 1 day Now, we will have the exceptions when more than one user interact with same resources at the same time. Example: Steps: At browser 1: - login by root - Go to Dashboard page --> Edit layout --> Edit form appear At browser 2: - Go to Dashboard page --> Edit layout --> Delete some portlet ( Logo, Tabbed portlet) --> Finish Return to browser 1: - Continue delete portlet --> Unknown error. java.lang.AssertionError: Could not find supposed present child with id d86a7c95c0a801bc00a0b042093e 1bac at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:637) at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:565) at org.exoplatform.portal.pom.data.Mapper.save(Mapper.java:339) at org.exoplatform.portal.pom.config.tasks.PortalConfigTask$Save.run(PortalConfigTask.java:1 61) at org.exoplatform.portal.pom.config.tasks.PortalConfigTask$Save.run(PortalConfigTask.java:9 8) at org.exoplatform.portal.pom.config.POMSession.execute(POMSession.java:373) at org.exoplatform.portal.pom.config.ExecutorDispatcher.execute(ExecutorDispatcher.java:41) at org.exoplatform.portal.pom.config.TaskExecutionDecorator.execute(TaskExecutionDecorator.j ava:38) at org.exoplatform.portal.pom.config.cache.DataCache.write(DataCache.java:80) at org.exoplatform.portal.pom.config.cache.DataCache.execute(DataCache.java:56) at org.exoplatform.portal.pom.config.POMSessionManager.execute(POMSessionManager.java:140) at org.exoplatform.portal.pom.config.POMDataStorage.save(POMDataStorage.java:91) at org.exoplatform.portal.config.DataStorageImpl.save(DataStorageImpl.java:107) at org.exoplatform.portal.config.UserPortalConfigService.update(UserPortalConfigService.java :291) at org.exoplatform.portal.webui.portal.UIPortalComposer.save(UIPortalComposer.java:180) at org.exoplatform.portal.webui.portal.UIPortalComposer$FinishActionListener.execute(UIPorta lComposer.java:369) at org.exoplatform.webui.event.Event.broadcast(Event.java:89) at org.exoplatform.webui.core.lifecycle.Lifecycle.processAction(Lifecycle.java:56) at org.exoplatform.webui.core.UIComponent.processAction(UIComponent.java:124) at org.exoplatform.portal.webui.workspace.UIPortalApplicationLifecycle.processAction(UIPorta lApplicationLifecycle.java:66) at org.exoplatform.portal.webui.workspace.UIPortalApplicationLifecycle.processAction(UIPorta lApplicationLifecycle.java:30) at org.exoplatform.webui.core.UIComponent.processAction(UIComponent.java:124) at org.exoplatform.webui.core.UIApplication.processAction(UIApplication.java:113) at org.exoplatform.portal.application.PortalRequestHandler.execute(PortalRequestHandler.java :105) at org.exoplatform.web.WebAppController.service(WebAppController.java:143) at org.exoplatform.portal.application.PortalController.onService(PortalController.java:127) at org.exoplatform.container.web.AbstractHttpServlet.service(AbstractHttpServlet.java:114) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.frameworks.jcr.web.ThreadLocalSessionProviderInitializedFilter.doFilter(T hreadLocalSessionProviderInitializedFilter.java:116) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.web.CacheUserProfileFilter.doFilter(CacheUserProfileFilter.java:68) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.services.security.web.SetCurrentIdentityFilter.doFilter(SetCurrentIdentit yFilter.java:76) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.exoplatform.web.filter.ExtensibleFilter$ExtensibleFilterChain.doFilter(ExtensibleFilt er.java:112) at org.exoplatform.web.filter.ExtensibleFilter.doFilter(ExtensibleFilter.java:84) at org.exoplatform.web.filter.GenericFilter.doFilter(GenericFilter.java:66) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j ava:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.ja va:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(Thread.java:619) OR Browser1 - Select a page - Go to edit page ( application) Browser 2 - Go to Edit page above Return to browser 1 - Delete this application --> Finish Comeback borwser 2 - Change somthing in this page - Click Save --> Unknown error. Show exception java.lang.AssertionError: Could not find supposed present child with id 20d61250c0a801bc012440c9b3d1 de73 at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:637) at org.exoplatform.portal.pom.data.Mapper.saveChildren(Mapper.java:565) at org.exoplatform.portal.pom.data.Mapper.save(Mapper.java:501) at org.exoplatform.portal.pom.config.tasks.PageTask$Save.run(PageTask.java:340) at org.exoplatform.portal.pom.config.tasks.PageTask$Save.run(PageTask.java:296) at org.exoplatform.portal.pom.config.POMSession.execute(POMSession.java:373) at org.exoplatform.portal.pom.config.ExecutorDispatcher.execute(ExecutorDispatcher.java:41) at org.exoplatform.portal.pom.config.TaskExecutionDecorator.execute(TaskExecutionDecorator.j ava:38) at org.exoplatform.portal.pom.config.cache.DataCache.write(DataCache.java:80) at org.exoplatform.portal.pom.config.cache.DataCache.execute(DataCache.java:56) at org.exoplatform.portal.pom.config.POMSessionManager.execute(POMSessionManager.java:140) at org.exoplatform.portal.pom.config.POMDataStorage.save(POMDataStorage.java:122) at org.exoplatform.portal.config.DataStorageImpl.save(DataStorageImpl.java:146) at org.exoplatform.portal.config.UserPortalConfigService.update(UserPortalConfigService.java :382)