1. In the Global Site create a Document Type dt1.
2. Create a new blank Site S1 as child of the default Liferay Site.
3. In Site S1, create a Document of type dt1.
4. Export the Documents and Media portelt of site S1.
5. Create a new blank Site S2 as child of the default Liferay Site.
6. Import the LAR obtained at step 4 into Site S2's Documents and Media section.
Result: It fails with UnsupportedOperationException
Stack trace:
20:46:23,305 ERROR [liferay/background_task-1][BackgroundTaskMessageListener:133] Unable to execute background task com.liferay.portal.kernel.lar.PortletDataException: java.lang.UnsupportedOperationException at com.liferay.portal.kernel.lar.BaseStagedModelDataHandler.importParentSiteStagedModel(BaseStagedModelDataHandler.java:165) at com.liferay.portal.kernel.lar.StagedModelDataHandlerUtil.importReferenceStagedModel(StagedModelDataHandlerUtil.java:256) at com.liferay.portlet.documentlibrary.lar.FileEntryStagedModelDataHandler.importMetaData(FileEntryStagedModelDataHandler.java:643) at com.liferay.portlet.documentlibrary.lar.FileEntryStagedModelDataHandler.doImportStagedModel(FileEntryStagedModelDataHandler.java:347) at com.liferay.portlet.documentlibrary.lar.FileEntryStagedModelDataHandler.doImportStagedModel(FileEntryStagedModelDataHandler.java:1) at com.liferay.portal.kernel.lar.BaseStagedModelDataHandler.importStagedModel(BaseStagedModelDataHandler.java:189) at com.liferay.portlet.documentlibrary.lar.FileEntryStagedModelDataHandler.importStagedModel(FileEntryStagedModelDataHandler.java:120) at com.liferay.portlet.documentlibrary.lar.FileEntryStagedModelDataHandler.importStagedModel(FileEntryStagedModelDataHandler.java:1) at com.liferay.portal.kernel.lar.StagedModelDataHandlerUtil.importStagedModel(StagedModelDataHandlerUtil.java:433) at com.liferay.portal.kernel.lar.StagedModelDataHandlerUtil.importStagedModel(StagedModelDataHandlerUtil.java:423) at com.liferay.portlet.documentlibrary.lar.DLPortletDataHandler.doImportData(DLPortletDataHandler.java:211) at com.liferay.portal.kernel.lar.BasePortletDataHandler.importData(BasePortletDataHandler.java:327) at com.liferay.portal.lar.PortletImporter.importPortletData(PortletImporter.java:191) at com.liferay.portal.lar.PortletImporter.importPortletData(PortletImporter.java:1034) at com.liferay.portal.lar.LayoutImporter.doImportLayouts(LayoutImporter.java:803) at com.liferay.portal.lar.LayoutImporter.importLayouts(LayoutImporter.java:249) at com.liferay.portal.service.impl.LayoutLocalServiceImpl.importLayouts(LayoutLocalServiceImpl.java:1771) at com.liferay.portal.service.impl.LayoutLocalServiceImpl.importLayouts(LayoutLocalServiceImpl.java:1820) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:67) at com.sun.proxy.$Proxy762.importLayouts(Unknown Source) at com.liferay.portal.service.LayoutLocalServiceWrapper.importLayouts(LayoutLocalServiceWrapper.java:1366) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:115) at com.liferay.portal.service.impl.LayoutLocalServiceVirtualLayoutsAdvice.invoke(LayoutLocalServiceVirtualLayoutsAdvice.java:182) at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:111) at com.liferay.portal.service.impl.LayoutLocalServiceStagingAdvice.invoke(LayoutLocalServiceStagingAdvice.java:141) at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:111) at com.liferay.portal.spring.transaction.DefaultTransactionExecutor.execute(DefaultTransactionExecutor.java:62) at com.liferay.portal.spring.transaction.TransactionInterceptor.invoke(TransactionInterceptor.java:51) at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:111) at com.liferay.portal.spring.aop.ChainableMethodAdvice.invoke(ChainableMethodAdvice.java:56) at com.liferay.portal.spring.aop.ServiceBeanMethodInvocation.proceed(ServiceBeanMethodInvocation.java:111) at com.liferay.portal.spring.aop.ServiceBeanAopProxy.invoke(ServiceBeanAopProxy.java:175) at com.sun.proxy.$Proxy37.importLayouts(Unknown Source) at com.liferay.portal.service.LayoutLocalServiceUtil.importLayouts(LayoutLocalServiceUtil.java:1314) at com.liferay.portal.lar.backgroundtask.LayoutImportBackgroundTaskExecutor.execute(LayoutImportBackgroundTaskExecutor.java:61) at com.liferay.portal.kernel.backgroundtask.SerialBackgroundTaskExecutor.execute(SerialBackgroundTaskExecutor.java:57) at com.liferay.portal.backgroundtask.messaging.BackgroundTaskMessageListener.doReceive(BackgroundTaskMessageListener.java:108) at com.liferay.portal.kernel.messaging.BaseMessageListener.receive(BaseMessageListener.java:26) at com.liferay.portal.kernel.messaging.InvokerMessageListener.receive(InvokerMessageListener.java:72) at com.liferay.portal.kernel.messaging.ParallelDestination$1.run(ParallelDestination.java:71) at com.liferay.portal.kernel.concurrent.ThreadPoolExecutor$WorkerTask._runTask(ThreadPoolExecutor.java:682) at com.liferay.portal.kernel.concurrent.ThreadPoolExecutor$WorkerTask.run(ThreadPoolExecutor.java:593) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.UnsupportedOperationException at com.liferay.portal.kernel.lar.BaseStagedModelDataHandler.doImportGroupStagedModel(BaseStagedModelDataHandler.java:288) at com.liferay.portal.kernel.lar.BaseStagedModelDataHandler.importParentSiteStagedModel(BaseStagedModelDataHandler.java:153) ... 56 more