On Mon, Mar 10, 2014 at 11:37 PM, [email protected] <[email protected]>wrote:
> Hi Denis, > > On 10 Mar 2014 at 23:12:14, Denis Gervalle ([email protected](mailto: > [email protected])) wrote: > > > You are saying that users mismatch the DB and the permanent directory, > and > > you would like to have that fix automagically ? Not only the jobs status > > could be there, but also the attachments, and many other permanent data > > that will not match the DB. > > > > I completely agree that mixing inconstantly a DB and a permanent > directory > > is an annoying issue. I am not sure we could do any magic to fix it. What > > could be nice to have is a GUID on the main DB, and in the permanent > > directory, that in case of mismatch, prevent the wiki to start fully and > > inform the user. > > > > WDYT ? > > Indeed, each instance already has a unique id (GUID) stored in the DB :) > I forget about it, since I never get any in my DB... I am not a good xwiki citizen, I probably care too much about my privacy :) > So we could also store this value in the distribution’s status.xml file > and if the GUID changes (there’s an API to get it) then inform the user > that the DB has changed and explain with a nice message the out-of-sync > issue and what he has to do to fix it (most likely remove the data/ > directory which must be in sync with the DB), and throw a servlet exception. > Not sure the status.xml is the perfect place for it. It should not be dependent of the DW. This check could probably be done directly in the instance id manger, when it could not reach a consistant state between the DB and the FS. I agree it’s safer than trying to fix it automatically. > > Thanks > -Vincent > > > On Mon, Mar 10, 2014 at 3:45 PM, [email protected] wrote: > > > > > Hi devs, > > > > > > Some users are making the following mistake: > > > - download the zip/exe and install our standalone distribution > > > (jetty/hsqldb) > > > - then they configure xwiki to point to another DB (mysql or postgresql > > > typically) > > > - then they start XWiki and they get an empty page and no DW > > > > > > The problem is that they don’t/can’t understand that in the standalone > > > distribution the data/ directory already has a DW status.xml file that > says > > > the DW has already been executed and thus do not need to be executed > again… > > > > > > We need to find some strategy to avoid this potential error. > > > > > > Any idea? > > > > > > Some ideas: > > > - Idea 1: Improve documentation to explain the need to remove the data/ > > > directory if you change DB > > > - Idea 2: In the status.xml, store the DW status along with the DB id > so > > > that if the DB changes, the DW can kick in again. > > > - other? > > > > > > I personally like idea 2. WDYT? > > > > > > Thanks > > > -Vincent > > > > > > _______________________________________________ > > > devs mailing list > > > [email protected] > > > http://lists.xwiki.org/mailman/listinfo/devs > > > > > > > > > > > -- > > Denis Gervalle > > SOFTEC sa - CEO > > _______________________________________________ > > devs mailing list > > [email protected] > > http://lists.xwiki.org/mailman/listinfo/devs > _______________________________________________ > devs mailing list > [email protected] > http://lists.xwiki.org/mailman/listinfo/devs > -- Denis Gervalle SOFTEC sa - CEO _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs
