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Details

Type: Bug
Resolution: Duplicate
Priority: Medium
Fix Version/s: None
Affects Version/s: None
Component/s: None
Labels:
- affects-server
- cloud

Bug Fix Policy:
View Atlassian Server bug fix policy

Description

The quote following is displayed on the Export XML Options page. It explains that any space backup generated from Confluence Cloud can be imported into any Confluence standalone/self-hosted versions between the latest version and 5.3.

Export the space to a zipped XML file. You can import the XML file into earlier Confluence versions from 5.3 to 5.9.0-OD-59-126, and into compatible later versions.

Steps to Reproduce

Generate a Confluence Cloud space backup via Space > Space Tools > Content Tools > Export.
Select XML option and hit Next.
Check on the Full Export option and click on the Export button.
Restore the space backup on Confluence versions prior to 5.7 (i.e. 5.3.x, 5.4.x, 5.5.x, 5.6.x).

Expected Behaviour

Space backup taken from Confluence Cloud can be imported successfully on Confluence versions 5.3.x, 5.4.x, 5.5.x, 5.6.x without issues.

Actual Behaviour

Space backup import failed with the following errors.

2015-07-15 16:27:21,788 ERROR [Long running task: Importing data] [confluence.importexport.actions.ImportLongRunningTask] runInternal Failure during import
 -- referer: http://localhost:9563/admin/backup.action | url: /admin/restore.action | userName: admin | action: restore
com.atlassian.confluence.importexport.ImportExportException: com.atlassian.confluence.importexport.ImportExportException: Unable to complete import: Error while importing backup: not-null property references a null or transient value: com.atlassian.confluence.pages.Attachment.contentType
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEntities(BackupImporter.java:430)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEverything(BackupImporter.java:388)
	at com.atlassian.confluence.importexport.xmlimport.FileBackupImporter.importEverything(FileBackupImporter.java:150)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter$1.doInTransactionWithoutResult(BackupImporter.java:259)
	at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:33)
	at com.atlassian.confluence.importexport.xmlimport.RestorePluginStateStoreTransactionCallbackDecorator.doInTransaction(RestorePluginStateStoreTransactionCallbackDecorator.java:50)
	at com.atlassian.confluence.importexport.xmlimport.RestoreBandanaValuesTransactionCallbackDecorator.doInTransaction(RestoreBandanaValuesTransactionCallbackDecorator.java:50)
	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:128)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.doImportInternal(BackupImporter.java:211)
	at com.atlassian.confluence.importexport.Importer.doImport(Importer.java:77)
	at com.atlassian.confluence.importexport.DefaultImportExportManager.performImportInternal(DefaultImportExportManager.java:83)
	at com.atlassian.confluence.importexport.DefaultImportExportManager.performImport(DefaultImportExportManager.java:73)
	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 org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
	at com.sun.proxy.$Proxy132.performImport(Unknown Source)
	at com.atlassian.confluence.importexport.actions.ImportLongRunningTask.runInternal(ImportLongRunningTask.java:95)
	at com.atlassian.confluence.util.longrunning.ConfluenceAbstractLongRunningTask.run(ConfluenceAbstractLongRunningTask.java:27)
	at com.atlassian.confluence.util.longrunning.ManagedTask.run(ManagedTask.java:35)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: com.atlassian.confluence.importexport.ImportExportException: Unable to complete import: Error while importing backup: not-null property references a null or transient value: com.atlassian.confluence.pages.Attachment.contentType
	at com.atlassian.confluence.importexport.xmlimport.DefaultXmlImporter.doImport(DefaultXmlImporter.java:77)
	at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEntities(BackupImporter.java:420)
	... 30 more

Attachments

Issue Links

is related to

CONFSERVER-36586 Inaccurate XML Import documentation and text on Confluence Admin>>Backup and restore

Gathering Impact

Confluence Cloud Space Export Cannot Be Imported to Confluence Versions Prior to 5.7