Details
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Bug
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Resolution: Fixed
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Major
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5.4.3
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None
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XWiki 4.5.3 -> 5.4.3
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Unit
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Unknown
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N/A
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N/A
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Description
It's not critical because we don't want this file to be imported anyway, but if it happens on XWikiPreferences, it could happen with any other file.
It happened on 80% of our subwikis we tried to migrate from 4.5.3 to 5.4.3, it was't able to start merging XWikiPreferences.
I attached the page to this Jira Task, but deleted the attachements before exporting it. I tried to migrate a wiki after deleting all the attachments of XWikiPreferences and it also failed.
Failed to install document [platform:XWiki.XWikiPreferences]
class java.lang.NullPointerException: null
at com.xpn.xwiki.doc.XWikiDocument.merge(XWikiDocument.java:8439)
at org.xwiki.extension.xar.internal.handler.packager.DocumentMergeImporter.merge(DocumentMergeImporter.java:141)
at org.xwiki.extension.xar.internal.handler.packager.DocumentMergeImporter.saveDocument(DocumentMergeImporter.java:89)
at org.xwiki.extension.xar.internal.handler.packager.Packager.importDocumentToWiki(Packager.java:223)
at org.xwiki.extension.xar.internal.handler.packager.Packager.importXARToWiki(Packager.java:174)
at org.xwiki.extension.xar.internal.handler.packager.Packager.importXARToWiki(Packager.java:146)
at org.xwiki.extension.xar.internal.handler.packager.Packager.importXAR(Packager.java:136)
at org.xwiki.extension.xar.internal.handler.XarExtensionHandler.installInternal(XarExtensionHandler.java:222)
at org.xwiki.extension.xar.internal.handler.XarExtensionHandler.install(XarExtensionHandler.java:186)
at org.xwiki.extension.handler.internal.DefaultExtensionHandlerManager.install(DefaultExtensionHandlerManager.java:85)
at org.xwiki.extension.job.internal.AbstractExtensionJob.installExtension(AbstractExtensionJob.java:218)
at org.xwiki.extension.job.internal.AbstractExtensionJob.applyAction(AbstractExtensionJob.java:169)
at org.xwiki.extension.job.internal.AbstractExtensionJob.applyActions(AbstractExtensionJob.java:116)
at org.xwiki.extension.job.internal.InstallJob.runInternal(InstallJob.java:148)
at org.xwiki.job.internal.AbstractJob.run(AbstractJob.java:154)
at org.xwiki.job.internal.DefaultJobManager.runJob(DefaultJobManager.java:134)
at org.xwiki.job.internal.DefaultJobManager.run(DefaultJobManager.java:113)
at java.lang.Thread.run(Unknown Source)