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Details

Type: Bug
Resolution: Fixed
Priority: Blocker
Fix Version/s: 11.2-rc-1
Affects Version/s: 11.0.3, 11.1
Component/s: Storage - File System
Labels:
- regression
Environment:
Windows 10 Pro 64 bit, Chrome 72, IE11, Edge 18, Firefox 65, using a local instance XWiki 11.1

Tests:

Integration
Difficulty:
Unknown
Documentation:
N/A
Documentation in Release Notes:
N/A
Similar issues:

Description

STEPS TO REPRODUCE

Create an older instance of XWiki (8.4.6) with FileSystem enabled for attachments:

xwiki.store.attachment.hint=file
xwiki.store.attachment.versioning.hint=file
xwiki.store.attachment.recyclebin.hint=file

Login to the older instance
Create a new subwiki
Close the instance
Go to a newer instance (11.1) and copy/cut the
```
[...]webapps\xwiki
```
folder and replace it (first delete the old one) in the same location on the older version
Start XWiki and follow the Distribution Wizard through the upgrade process
Go to Wiki Index and click on the previously created subwiki's name to run the DW

EXPECTED RESULTS

The upgrade process is completed successfully without errors both on the Main wiki, as well as on subwiki.

ACTUAL RESULTS

During XWiki initialization, before starting DW for Main Wiki, there are many errors starting to display in console related to fail retrieving the content of attachments for the subwiki. Partial stacktrace:

2019-03-04 11:44:41,361 [XWiki Solr index thread] ERROR .DocumentSolrMetadataExtractor - Failed to retrieve the content of attachment [Attachment subwikiglobal:Sandbox.WebHome@XWikiLogo.png] 
com.xpn.xwiki.XWikiException: Error number 3231 in 3: Exception while loading attachment Attachment subwikiglobal:Sandbox.WebHome@XWikiLogo.png
	at com.xpn.xwiki.store.XWikiHibernateAttachmentStore.loadAttachmentContent(XWikiHibernateAttachmentStore.java:260)
	at com.xpn.xwiki.doc.XWikiAttachment.loadAttachmentContent(XWikiAttachment.java:1073)
	at com.xpn.xwiki.doc.XWikiAttachment.reloadAttachmentContent(XWikiAttachment.java:893)
	at com.xpn.xwiki.doc.XWikiAttachment.getContentInputStream(XWikiAttachment.java:871)
	at org.xwiki.search.solr.internal.metadata.AbstractSolrMetadataExtractor.getContentAsText(AbstractSolrMetadataExtractor.java:506)
	at org.xwiki.search.solr.internal.metadata.DocumentSolrMetadataExtractor.setAttachment(DocumentSolrMetadataExtractor.java:281)
	at org.xwiki.search.solr.internal.metadata.DocumentSolrMetadataExtractor.setAttachments(DocumentSolrMetadataExtractor.java:261)
	at org.xwiki.search.solr.internal.metadata.DocumentSolrMetadataExtractor.setExtras(DocumentSolrMetadataExtractor.java:187)
	at org.xwiki.search.solr.internal.metadata.DocumentSolrMetadataExtractor.setFieldsInternal(DocumentSolrMetadataExtractor.java:135)
	at org.xwiki.search.solr.internal.metadata.AbstractSolrMetadataExtractor.getSolrDocument(AbstractSolrMetadataExtractor.java:133)
	at org.xwiki.search.solr.internal.DefaultSolrIndexer.getSolrDocument(DefaultSolrIndexer.java:504)
	at org.xwiki.search.solr.internal.DefaultSolrIndexer.processBatch(DefaultSolrIndexer.java:411)
	at org.xwiki.search.solr.internal.DefaultSolrIndexer.run(DefaultSolrIndexer.java:377)
	at java.lang.Thread.run(Unknown Source)
Caused by: org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [com.xpn.xwiki.doc.XWikiAttachmentContent#-2096787253]
	at org.hibernate.impl.SessionFactoryImpl$2.handleEntityNotFound(SessionFactoryImpl.java:435)
	at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:233)
	at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:285)
	at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:152)
	at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:1090)
	at org.hibernate.impl.SessionImpl.load(SessionImpl.java:974)
	at com.xpn.xwiki.store.XWikiHibernateAttachmentStore.loadAttachmentContent(XWikiHibernateAttachmentStore.java:247)
	... 13 common frames omitted

The full log (from MySQL) was attached.

Also, during subwiki's DW the same errors keep displaying; additionally, there are some merge conflicts on pages 'Panels.SyntaxHelp' and 'Invitation.WebHome' which seem to have the same cause (screenshots attached). After upgrade, attachments from these 2 pages are displayed in 'Deleted Attachments' livetable on Main Wiki's Page Index.

The issue was reproduced on HSQL, MySQL, PostgreSQL and Oracle.