Summary

• Page properties (2 modified, 0 added, 0 removed)

Details

Page properties

Author

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1		-XWiki.Sorin
	1	+XWiki.VincentMassol

Content

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71	71	{{warning}}
72	72	If you have encountered an issue with the migration, you may need to start over from a backup. Be careful that during the migration, two new tables have been created (in each xwiki database for a farm) and should be dropped when you restore a backup of a database coming from a version earlier than 4.x. These two tables are DATABASECHANGELOG and DATABASECHANGELOGLOCK. These should only be removed if you restore a pre-4.x database schema. Mixing an old database with these two tables will surely cause issue during schema updates (liquibase checksum failure).
73	73	{{/warning}}
	74	+
	75	+== API Breakages ==
	76	+
	77	+The following APIs were modified since XWiki 4.4:
	78	+
	79	+* Request was not supposed to contain this method in the first place:(((
	80	+{{code language="none"}}
	81	+org.xwiki.job.Request: Method 'public java.lang.Object removeProperty(java.lang.String)' has been removed
	82	+{{/code}}
	83	+)))
	84	+* New method to allow building an UI for reporting migration issues (mainly for sub-wiki):(((
	85	+{{code language="none"}}
	86	+com.xpn.xwiki.store.migration.DataMigrationManager: Method 'public com.xpn.xwiki.store.migration.DataMigrationStatus getDataMigrationStatus()' has been added to an interface
	87	+{{/code}}
	88	+)))