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Dear community,
We are migrating a Confluence instance from 6.9.15 to 7.3.3 and we are facing an issue with the biggest space that is exported.
Indeed, this space is around 3Go big (attachments include). When importing it in the 7.3.3 instance, it fails at about 85-90% with an NPE (NullPointerException) as shown below.
We assumed it is an issue with the attachments that are not correctly imported and cause the failure.
We are looking for the best way to "split" the space in several pieces in order to improve the import process.
Some information:
Questions:
2020-09-29 05:38:10,872 ERROR [Long running task: Importing data] [confluence.importexport.xmlimport.BackupImporter] importEntities Cannot import the entities: -- url: /admin/restore-local-file.action | referer: http://10.1.21.139:8090/admin/backup.action | traceId: b36096253f60f5b4 | userName: admin | action: restore-local-file java.lang.NullPointerException at com.atlassian.confluence.importexport.xmlimport.BackupImporter.doSpecialProcessing(BackupImporter.java:512) at com.atlassian.confluence.importexport.xmlimport.BackupImporter.postProcess(BackupImporter.java:428) at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEntities(BackupImporter.java:400) at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEverything(BackupImporter.java:366) at com.atlassian.confluence.importexport.xmlimport.FileBackupImporter.importEverything(FileBackupImporter.java:169) at com.atlassian.confluence.importexport.xmlimport.BackupImporter$1.doInTransactionWithoutResult(BackupImporter.java:258) at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:34) at com.atlassian.confluence.importexport.xmlimport.RestorePluginStateStoreTransactionCallbackDecorator.doInTransaction(RestorePluginStateStoreTransactionCallbackDecorator.java:46) at com.atlassian.confluence.importexport.xmlimport.RestoreBandanaValuesTransactionCallbackDecorator.doInTransaction(RestoreBandanaValuesTransactionCallbackDecorator.java:50) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133) at com.atlassian.confluence.importexport.xmlimport.BackupImporter.doImportInternal(BackupImporter.java:220) at com.atlassian.confluence.importexport.Importer.doImport(Importer.java:73) at com.atlassian.confluence.importexport.DefaultImportExportManager.performImportInternal(DefaultImportExportManager.java:131) at com.atlassian.confluence.importexport.DefaultImportExportManager.doPerformImport(DefaultImportExportManager.java:119) at com.atlassian.confluence.importexport.DefaultImportExportManager.performImport(DefaultImportExportManager.java:114) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) at com.sun.proxy.$Proxy219.performImport(Unknown Source) at com.atlassian.confluence.importexport.actions.ImportLongRunningTask.runInternal(ImportLongRunningTask.java:58) at com.atlassian.confluence.util.longrunning.ConfluenceAbstractLongRunningTask.run(ConfluenceAbstractLongRunningTask.java:26) at com.atlassian.confluence.util.longrunning.ManagedTask.run(ManagedTask.java:52) at com.atlassian.confluence.impl.util.concurrent.ConfluenceExecutors$ThreadLocalContextTaskWrapper.lambda$wrap$1(ConfluenceExecutors.java:90) at com.atlassian.confluence.vcache.VCacheRequestContextOperations.lambda$doInRequestContext$0(VCacheRequestContextOperations.java:50) at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContextInternal(VCacheRequestContextManager.java:87) at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContext(VCacheRequestContextManager.java:71) at com.atlassian.confluence.vcache.VCacheRequestContextOperations.doInRequestContext(VCacheRequestContextOperations.java:49) at com.atlassian.confluence.vcache.VCacheRequestContextOperations.lambda$withRequestContext$2(VCacheRequestContextOperations.java:66) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 2020-09-29 05:38:11,365 WARN [Long running task: Importing data] [confluence.impl.hibernate.ConfluenceHibernateTransactionManager] doRollback Performing rollback. Transactions: [com.atlassian.confluence.importexport.DefaultImportExportManager.performImport]: PROPAGATION_REQUIRED,ISOLATION_DEFAULT (Session #1288780376) ->[null]: PROPAGATION_REQUIRES_NEW,ISOLATION_DEFAULT (Session #1492895371) -- url: /admin/restore-local-file.action | referer: http://10.1.21.139:8090/admin/backup.action | traceId: b36096253f60f5b4 | userName: admin | action: restore-local-file 2020-09-29 05:38:14,929 ERROR [Long running task: Importing data] [confluence.importexport.actions.ImportLongRunningTask] runInternal Failure during import -- url: /admin/restore-local-file.action | referer: http://10.1.21.139:8090/admin/backup.action | traceId: b36096253f60f5b4 | userName: admin | action: restore-local-file com.atlassian.confluence.importexport.ImportExportException: java.lang.NullPointerException at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEntities(BackupImporter.java:405) at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEverything(BackupImporter.java:366) at com.atlassian.confluence.importexport.xmlimport.FileBackupImporter.importEverything(FileBackupImporter.java:169) at com.atlassian.confluence.importexport.xmlimport.BackupImporter$1.doInTransactionWithoutResult(BackupImporter.java:258) at org.springframework.transaction.support.TransactionCallbackWithoutResult.doInTransaction(TransactionCallbackWithoutResult.java:34) at com.atlassian.confluence.importexport.xmlimport.RestorePluginStateStoreTransactionCallbackDecorator.doInTransaction(RestorePluginStateStoreTransactionCallbackDecorator.java:46) at com.atlassian.confluence.importexport.xmlimport.RestoreBandanaValuesTransactionCallbackDecorator.doInTransaction(RestoreBandanaValuesTransactionCallbackDecorator.java:50) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133) at com.atlassian.confluence.importexport.xmlimport.BackupImporter.doImportInternal(BackupImporter.java:220) at com.atlassian.confluence.importexport.Importer.doImport(Importer.java:73) at com.atlassian.confluence.importexport.DefaultImportExportManager.performImportInternal(DefaultImportExportManager.java:131) at com.atlassian.confluence.importexport.DefaultImportExportManager.doPerformImport(DefaultImportExportManager.java:119) at com.atlassian.confluence.importexport.DefaultImportExportManager.performImport(DefaultImportExportManager.java:114) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333) at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) at com.sun.proxy.$Proxy219.performImport(Unknown Source) at com.atlassian.confluence.importexport.actions.ImportLongRunningTask.runInternal(ImportLongRunningTask.java:58) at com.atlassian.confluence.util.longrunning.ConfluenceAbstractLongRunningTask.run(ConfluenceAbstractLongRunningTask.java:26) at com.atlassian.confluence.util.longrunning.ManagedTask.run(ManagedTask.java:52) at com.atlassian.confluence.impl.util.concurrent.ConfluenceExecutors$ThreadLocalContextTaskWrapper.lambda$wrap$1(ConfluenceExecutors.java:90) at com.atlassian.confluence.vcache.VCacheRequestContextOperations.lambda$doInRequestContext$0(VCacheRequestContextOperations.java:50) at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContextInternal(VCacheRequestContextManager.java:87) at com.atlassian.confluence.impl.vcache.VCacheRequestContextManager.doInRequestContext(VCacheRequestContextManager.java:71) at com.atlassian.confluence.vcache.VCacheRequestContextOperations.doInRequestContext(VCacheRequestContextOperations.java:49) at com.atlassian.confluence.vcache.VCacheRequestContextOperations.lambda$withRequestContext$2(VCacheRequestContextOperations.java:66) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.lang.NullPointerException at com.atlassian.confluence.importexport.xmlimport.BackupImporter.doSpecialProcessing(BackupImporter.java:512) at com.atlassian.confluence.importexport.xmlimport.BackupImporter.postProcess(BackupImporter.java:428) at com.atlassian.confluence.importexport.xmlimport.BackupImporter.importEntities(BackupImporter.java:400) ... 39 more
Many thanks for the support,
Dylan
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