Possibly interesting note: I'm on MySql 5.1 / MyISAM engine
2013/3/18 Jeremie BOUSQUET <jeremie.bousq...@gmail.com> > Hello, > > I'm trying migration of XWIki 3.5 to 4.5.2, and have some issues ... > > First, I must tell that I ran the queries described in [1], to cleanup the > 3 stats tables. > > What happened though, is that during the migration I got an OutOfMemory > error ... during migration of xwikistatsdoc. > I relaunched with more heap (2Go), but got it again. > I relaunched after activating safemode for that particular migration > (R40000XWIKI6990), > but then I got an issue on duplicate key for the xwikistatsdoc table: > > Caused by: com.xpn.xwiki.XWikiException: Error number 3005 in 3: > R40000XWIKI6990 migration failed while converting ID from [232911443] to > [7825842251281349221] > > A quick analysis of incriminated rows shows (sorry for display): > > > +----------------------+------------+----------------------------+---------------+ > | XWS_ID | XWS_NUMBER | XWS_NAME | > XWS_CLASSNAME | > > +----------------------+------------+----------------------------+---------------+ > | 232911443 | 1956069455 | Main | > | > | 5956685394971351254 | 1956069455 | | > | > | 7825842251281349221 | 1956069455 | Main | > | > > +----------------------+------------+----------------------------+---------------+ > > To me it seems that as migration process was interrupted, maybe stat with > id 232911443 was migrated successfully (in a previous run) to id > 7825842251281349221, > but old row was not removed. > So when migration occurs again, it tries to migrate that same line again > and fails. > > So I will try to run again after removing that line, but in case it fails, > is it possible to only: > - put back my backup of the 3 stats tables only (as the rest was > successfully migrated) > - relaunch the migration > > Would I need to update something in the migration temp tables to achieve > that ? (ie restart migration only for stats tables), or will it do it by > itself as it knows that step was unsuccessful ? > > Asking that because migration is painfully long, so I prefer to prepare > myself to loose less time ... tomorrow ;-) > > Bonus question: There are plenty of rows in xwikistatsdoc with empty value > in "XWS_NAME" field. Are these normal ? Can I / Should I purge them ? > > Br, > Jeremie > > [1] http://jira.xwiki.org/browse/XWIKI-8129 > _______________________________________________ users mailing list users@xwiki.org http://lists.xwiki.org/mailman/listinfo/users
