Heureka! <Component ... NeverOverwrite="yes" /> did the job.
> ------------ Původní zpráva ------------ > Od: marzena <marz...@email.cz> > Předmět: Re: [WiX-users] util:XmlFile executes repeatedly > Datum: 07.11.2010 20:32:54 > ---------------------------------------- > Thanks for your response. Now I understand, what you've meant before. > > I still do not understand, why the installer executes the component, > which deploys to the target file system a file, that has been already > deployed. On the other hand, you're right I am mixing two approaches. > Will try to change my setup so that a 'repair' can be executed when > connection string change is needed. > > > > Rob Mensching píše v Ne 07. 11. 2010 v 00:33 +0100: > > If you're going to configure the settings via your installer then in Step 3 > > the Administrator should go through the installer to update the settings. > > > > Either you set your setting via the installer or you don't. Mixing and > > matching gets you into all these crazy scenarios like below. > > > > My preference is to not set configurable settings via the installer and > > leave intelligent defaults + the applications "Tools -> Options" type > > configuration to change the rest. That doesn't work well in all cases... but > > settings manipulation via MSI is just problematic. > > On Fri, Nov 5, 2010 at 2:46 PM, marzena <marz...@email.cz> wrote: > > > > > Thank you, Rob, for your suggestion. But I am afraid this does not solve > > > my problem completely. I have been already considering implementing this > > > pattern, but I suppose that would lead me into the same problem - only > > > the problem would appear bit later.. > > > > > > Consider this scenario: > > > 1) user1 installs the application. Connection strings are updated to > > > target the database in production environment. > > > 2) user2 launchs the app through shortcut. Let's say I have implemented > > > the remember-property pattern - connection strings would be in that case > > > updated (the XmlFile element would do its job again), but since > > > properties would have been refreshed from registry, connection strings > > > would remain correct. So far so good. > > > 3) DB server crashes and the DB is moved to backup server. Connection > > > string file must be manually edited by administrator. New server name is > > > saved into connectionStrings.config file and application starts working > > > again. > > > 4) user3 launchs the app (his first time), just as user2 did in step 2. > > > Since the file has been manually modified, registry values stored in > > > registry by WiX installer are no longer valid. Result is that the config > > > file becomes corrupted and application can not connect to the > > > database. > > > > > > Isn't this scenario correct? May be I am missing something.. > > > > > > > > > I think I need a solution that would prevent the MSI installer from > > > executing the XmlFile element whenever new employee is hired and needs > > > to use my application. As I have already mentioned I tried adding a > > > Condition within the Component that is nesting util:XmlFile request, but > > > it did not work. > > > > > > > > > Marek > > > > > > > > > Rob Mensching wrote on Fri Nov 05, 2010 at 10:05 PM +0100: > > > > > > > I think you'll want to implement this pattern: > > > > > > > > http://robmensching.com/blog/posts/2010/5/2/The-WiX-toolsets-Remember-Property-pattern > > > > > > > > On Fri, Nov 5, 2010 at 9:54 AM, <marz...@email.cz> wrote: > > > > > > > > > Hi all, > > > > > > > > > > i created WiX installer project for deploying my .net winform app on a > > > > > customer machine. The app is very simple - it only scans some > > > > > documents > > > and > > > > > saves the images to database on a server. The scanner is quite > > > expensive > > > > > device, there is only one in the company, but there are approx. four > > > users > > > > > that can occasionaly use it. This is the reason, why the app is > > > installed > > > > > just on a single workstation dedicated only for scanning - most of the > > > time > > > > > it is free and any of these users can come, scan the docs and go > > > continuing > > > > > his work. > > > > > > > > > > Because the app is to be installed on a single machine and is supposed > > > to > > > > > be used by more than one user, i am doing a per-machine installation: > > > > > ALLUSERS is hardcoded to 1. > > > > > > > > > > Because the database servers in production are not controlled by me > > > > > and > > > i > > > > > do not really know, where the database will be stored, i can not pack > > > > > correct ConnectionStrings.config file to the MSI archive. Instead of > > > it, the > > > > > MSI package just contains a general template of that file, which is > > > then > > > > > modified according parameter values provided by the user during > > > install. For > > > > > updating the connection strings I use util:XmlFile element. The > > > > > connectionstrings.config file is stored in installation directory > > > together > > > > > with app binaries. > > > > > > > > > > Everything seemed to work fine, until I simulated more users using > > > > > this > > > > > per-machine installation. Executed my wix setup project under > > > user1-account, > > > > > the XML config file had been correctly updated and then I launched the > > > > > application and tested the connection strings are ok. Everything was > > > fine. > > > > > > > > > > Then I switched to another user account. The shortcut was already > > > present > > > > > in the program menu - just as I have expected since the installation > > > > > is > > > > > per-machine. So I clicked the shortcut and then (unexpectedly for me) > > > > > a > > > > > progress bar window "Wait until the configuration of product XY is > > > > > finished." appeared. (Note that my machine locale is not english, the > > > > > message would probably be slightly different on an english locale > > > > > workstation). After few seconds the window disappeared and my > > > application > > > > > launched. Unfortunately it was not able to connect to the database, > > > since > > > > > the connectionStrings.config file has been rewritten. New connection > > > strings > > > > > have been saved using default property values, which are not valid. > > > > > > > > > > I have been investigating why the setup launchs again whenever new > > > > > user-account tries to use it. It is because of the shortcut element > > > (the > > > > > keypath is targetting HKCU). When I remove shortcut from WXS, MSI is > > > not > > > > > launched again after switching user context. Unfortunately I can not > > > simply > > > > > remove the shortcut from the installer :-). > > > > > > > > > > Now I have setup program, which is able to configure connection to a > > > > > database according to input parameters. But any later attempt to use > > > the app > > > > > from a second user-account just sends this configuration down the > > > toilette. > > > > > In production environment this would mean, that an administrator has > > > > > to > > > come > > > > > and manually change the connection strings every time new user tries > > > > > to > > > use > > > > > the app, which is of course unacceptable behavior. > > > > > > > > > > The simplified version of my WiX project is attached. > > > > > > > > > > I have tried to resolve the problem, but nothing helped me: > > > > > 1) I have separated the <File> and the <util:XMLFIle> to independent > > > > > components. > > > > > 2) I Have Tried adding a <Condition>NOT INstalled</Condition> under > > > these > > > > > components. > > > > > 3) I have tried writing a registry value to HKLM during installation. > > > Added > > > > > a RegistrSearch and Property for that registry value and then used > > > > > that > > > > > value as a condition (in fact just a replacement of "NOT Installed" > > > from the > > > > > previous) > > > > > > > > > > Can anyone help with this? > > > > > > > > > > Thanks in advice > > > > > > > > > > Marek > > > > > > > > > > > > > > ------------------------------------------------------------------------------ > > > > > The Next 800 Companies to Lead America's Growth: New Video Whitepaper > > > > > David G. Thomson, author of the best-selling book "Blueprint to a > > > > > Billion" shares his insights and actions to help propel your > > > > > business during the next growth cycle. Listen Now! > > > > > http://p.sf.net/sfu/SAP-dev2dev > > > > > _______________________________________________ > > > > > WiX-users mailing list > > > > > WiX-users@lists.sourceforge.net > > > > > https://lists.sourceforge.net/lists/listinfo/wix-users > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > ------------------------------------------------------------------------------ > > > The Next 800 Companies to Lead America's Growth: New Video Whitepaper > > > David G. Thomson, author of the best-selling book "Blueprint to a > > > Billion" shares his insights and actions to help propel your > > > business during the next growth cycle. Listen Now! > > > http://p.sf.net/sfu/SAP-dev2dev > > > _______________________________________________ > > > WiX-users mailing list > > > WiX-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/wix-users > > > > > > > > > > > > -- > > virtually, Rob Mensching - http://RobMensching.com LLC > > ------------------------------------------------------------------------------ > > The Next 800 Companies to Lead America's Growth: New Video Whitepaper > > David G. Thomson, author of the best-selling book "Blueprint to a > > Billion" shares his insights and actions to help propel your > > business during the next growth cycle. Listen Now! > > http://p.sf.net/sfu/SAP-dev2dev > > _______________________________________________ > > WiX-users mailing list > > WiX-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/wix-users > > > > ------------------------------------------------------------------------------ > The Next 800 Companies to Lead America's Growth: New Video Whitepaper > David G. Thomson, author of the best-selling book "Blueprint to a > Billion" shares his insights and actions to help propel your > business during the next growth cycle. Listen Now! > http://p.sf.net/sfu/SAP-dev2dev > _______________________________________________ > WiX-users mailing list > WiX-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wix-users > > > ------------------------------------------------------------------------------ The Next 800 Companies to Lead America's Growth: New Video Whitepaper David G. Thomson, author of the best-selling book "Blueprint to a Billion" shares his insights and actions to help propel your business during the next growth cycle. Listen Now! http://p.sf.net/sfu/SAP-dev2dev _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users
