[MGNLBACKUP-143] Backup failure - Record does not exist - DataStoreException Created: 20/May/21  Updated: 07/Dec/22  Resolved: 20/May/21

Status: Closed
Project: Backup
Component/s: None
Affects Version/s: 2.4.1
Fix Version/s: None

Type: Bug Priority: Neutral
Reporter: Richard Gange Assignee: Richard Gange
Resolution: Workaround exists Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Attachments: PNG File record-56ce630a6938cb7a7ada74d7feafa624312fe9d881a78cac78c44a11a45b3a94.png    
Issue Links:
relation
is related to MGNLBACKUP-95 Users should be informed when an exce... Open
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Acceptance criteria:
Empty
Task DoD:
[ ]* Doc/release notes changes? Comment present?
[ ]* Downstream builds green?
[ ]* Solution information and context easily available?
[ ]* Tests
[ ]* FixVersion filled and not yet released
[ ]  Architecture Decision Record (ADR)
Bug DoR:
[ ]* Steps to reproduce, expected, and actual results filled
[ ]* Affected version filled
Epic Link: Nucleus Quality Maintenance
Team: Nucleus

 Description   

If the datastore becomes corrupted due to missing records the backup cannot complete:

2021-05-20 16:31:33,626 INFO  nfo.magnolia.module.backup.executor.BackupExecutor: Starting to backup to location: /Users/rich.gange/backup_01
2021-05-20 16:31:38,719 INFO  ule.backup.executor.ObservationAwareBackupExecutor: An error occurred while backup was ongoing, therefore, retrying to backup once more.
2021-05-20 16:32:08,828 INFO  nfo.magnolia.module.backup.executor.BackupExecutor: Starting to backup to location: /Users/rich.gange/backup_01
2021-05-20 16:32:11,999 INFO  ule.backup.executor.ObservationAwareBackupExecutor: An error occurred while backup was ongoing, therefore, retrying to backup once more.
2021-05-20 16:32:42,133 INFO  nfo.magnolia.module.backup.executor.BackupExecutor: Starting to backup to location: /Users/rich.gange/backup_01
2021-05-20 16:32:44,695 INFO  ule.backup.executor.ObservationAwareBackupExecutor: An error occurred while backup was ongoing, therefore, retrying to backup once more.
2021-05-20 16:33:14,780 ERROR ule.backup.executor.ObservationAwareBackupExecutor: Failed to execute backup successfully, please consider shutting down magnolia instance before backing up.
javax.jcr.RepositoryException: Failed to copy content
	at org.apache.jackrabbit.core.RepositoryCopier.copy(RepositoryCopier.java:210) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.RepositoryCopier.copy(RepositoryCopier.java:150) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.RepositoryCopier.copy(RepositoryCopier.java:112) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.RepositoryCopier.copy(RepositoryCopier.java:97) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at info.magnolia.module.backup.executor.BackupExecutor.execute(BackupExecutor.java:77) ~[magnolia-module-backup-2.4.1.jar:?]
	at info.magnolia.module.backup.executor.ObservationAwareBackupExecutor.execute(ObservationAwareBackupExecutor.java:64) [magnolia-module-backup-2.4.1.jar:?]
	at info.magnolia.module.backup.app.BackupPresenter.manualBackup(BackupPresenter.java:116) [magnolia-module-backup-2.4.1.jar:?]
	at info.magnolia.module.backup.app.BackupViewImpl$1.buttonClick(BackupViewImpl.java:56) [magnolia-module-backup-2.4.1.jar:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_261]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_261]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_261]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_261]
	at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:712) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:399) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:363) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:1189) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.ui.Button.fireClick(Button.java:384) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.ui.Button$1.click(Button.java:57) [vaadin-server-8.12.4.jar:8.12.4]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_261]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_261]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_261]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_261]
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:155) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:116) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:442) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:407) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:274) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:90) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:40) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1608) [vaadin-server-8.12.4.jar:8.12.4]
	at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:448) [vaadin-server-8.12.4.jar:8.12.4]
	at info.magnolia.admincentral.AdmincentralServlet.service(AdmincentralServlet.java:119) [magnolia-admincentral-6.2.7.jar:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) [servlet-api.jar:4.0.FR]
	at info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:148) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:65) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.virtualuri.VirtualUriFilter.doFilter(VirtualUriFilter.java:98) [magnolia-virtual-uri-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:58) [magnolia-cache-core-5.9.2.jar:?]
	at info.magnolia.module.cache.executor.CompositeExecutor.processCacheRequest(CompositeExecutor.java:66) [magnolia-cache-core-5.9.2.jar:?]
	at info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:164) [magnolia-cache-core-5.9.2.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.RangeSupportFilter.doFilter(RangeSupportFilter.java:78) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:57) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.security.SecurityCallbackFilter.doFilter(SecurityCallbackFilter.java:84) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:94) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.module.site.filters.SiteMergeFilter.doFilter(SiteMergeFilter.java:119) [magnolia-site-1.4.1.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.multisite.filters.MultiSiteFilter.doFilter(MultiSiteFilter.java:120) [magnolia-module-multisite-2.1.1.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MultiChannelFilter.doFilter(MultiChannelFilter.java:83) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:74) [magnolia-cache-core-5.9.2.jar:?]
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:128) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.enterprise.registration.RegistrationFilter.doFilter(RegistrationFilter.java:79) [magnolia-module-enterprise-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.personalization.preview.filter.PreviewFilter.doFilter(PreviewFilter.java:92) [magnolia-personalization-preview-app-2.0.6.jar:?]
	at info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:59) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:81) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:155) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:128) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:79) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:65) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:85) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.SafeDestroyMgnlFilterWrapper.doFilter(SafeDestroyMgnlFilterWrapper.java:107) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlFilterDispatcher.doDispatch(MgnlFilterDispatcher.java:67) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:110) [magnolia-core-6.2.7.jar:?]
	at info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:96) [magnolia-core-6.2.7.jar:?]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:189) [catalina.jar:9.0.43]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:162) [catalina.jar:9.0.43]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) [catalina.jar:9.0.43]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) [catalina.jar:9.0.43]
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) [catalina.jar:9.0.43]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) [catalina.jar:9.0.43]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) [catalina.jar:9.0.43]
	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:687) [catalina.jar:9.0.43]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) [catalina.jar:9.0.43]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346) [catalina.jar:9.0.43]
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:374) [tomcat-coyote.jar:9.0.43]
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) [tomcat-coyote.jar:9.0.43]
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:887) [tomcat-coyote.jar:9.0.43]
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1684) [tomcat-coyote.jar:9.0.43]
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-coyote.jar:9.0.43]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_261]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_261]
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-util.jar:9.0.43]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_261]
Caused by: org.apache.jackrabbit.core.data.DataStoreException: Record 56ce630a6938cb7a7ada74d7feafa624312fe9d881a78cac78c44a11a45b3a94 does not exist
	at org.apache.jackrabbit.core.data.AbstractDataStore.getRecord(AbstractDataStore.java:59) ~[jackrabbit-data-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.value.BLOBInDataStore.getDataRecord(BLOBInDataStore.java:151) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.value.BLOBInDataStore.getStream(BLOBInDataStore.java:104) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.value.InternalValue.getStream(InternalValue.java:662) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.persistence.PersistenceCopier.copy(PersistenceCopier.java:155) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.persistence.PersistenceCopier.copy(PersistenceCopier.java:113) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.persistence.PersistenceCopier.copy(PersistenceCopier.java:110) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.persistence.PersistenceCopier.copy(PersistenceCopier.java:110) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.persistence.PersistenceCopier.copy(PersistenceCopier.java:110) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.RepositoryCopier.copyWorkspaces(RepositoryCopier.java:276) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	at org.apache.jackrabbit.core.RepositoryCopier.copy(RepositoryCopier.java:208) ~[jackrabbit-core-2.20.0.jar:2.20.0]
	... 131 more
2021-05-20 16:33:14,823 ERROR ule.backup.executor.ObservationAwareBackupExecutor: Failure above may occur if version workspace is modified while backup process was running.
2021-05-20 16:33:14,823 ERROR info.magnolia.module.backup.app.BackupPresenter   : Failed to copy content

Solution
The datastore has to be repaired from the last working backup. Or it has to be repaired by hand if a backup is not available.



 Comments   
Comment by Richard Gange [ 20/May/21 ]

How to repair a missing datastore record when using FileDataStore.

The missing record:

Caused by: org.apache.jackrabbit.core.data.DataStoreException: Record 56ce630a6938cb7a7ada74d7feafa624312fe9d881a78cac78c44a11a45b3a94 does not exist

  1. Find the datastore on the file system. Example: /magnolia-dx-core-demo-6.2.7/apache-tomcat-9.0.43/webapps/magnoliaAuthor/repositories/magnolia/repository/datastore
  2. Take the first two characters of the record to create a new folder. In this case a folder named 56.
  3. Take the next two characters of the record to create a new folder inside the 56 folder --> /56/ce
  4. Take the next two characters of the record to create a new folder inside the ce folder --> /56/ce/63
  5. Inside the 63 folder create a blank file with the same name as the record (assuming the old file is not recoverable).

Note
Repairing this way is a last ditch effort. Ideally you would want to get the records from an old back up and copy/paste them over.

Comment by Richard Gange [ 20/May/21 ]

Since this issue comes from the underlying RepositoryCopier provided by JR there really isn't much that can be done.
You must do one of two things:

  • Restore the datastore from the last working backup
  • Repair the datastore by hand.
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