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Configuration path is empty |
Tue, Aug 6 2013 9:35 PM | Permanent Link |
Peter Evans | Still trying to get a migrated DBISAM to ElevateDB program to work.
I have (hopefully) made all the coding changes required. This has required days of work because all my databases are created on the fly. Also tables are created and destroyed on the fly. The destruction of a table may result in its databases being destroyed. The problem I am having is more basic than that part of the system. Currently I can not even log into my system. This database is on disc and created when the system is installed. Should be easy. When trying to run a query against the User table in the database I get the error "Error #409 The configuration path is empty". However the path is not empty. In the unit edblocal it has the procedure ConfigPathError. The error arises there. The only call to that procedure is from the procedure CheckConfigPath. I can see that FSettings.ConfigPath must equal ''. However I have traced the program flow :- FormMain.DBMain.DatabaseMain.Connected := False; FormMain.DBMain.EDBSession1.LocalConfigPath := App.AppDataUserAll + '\SYS\'; ShowMessage( blah blah <=== shows the correct path set in line above FormMain.DBMain.DatabaseMain.Connected := True; <== error here Any ideas? Should I have the trailing slash? Regards, Peter Evans |
Tue, Aug 6 2013 9:54 PM | Permanent Link |
Peter Evans | On 7/08/2013 11:35 AM, Peter Evans wrote:
> Still trying to get a migrated DBISAM to ElevateDB program to work. Perhaps it is a problem with the files that get installed by the installer? I migrate from DBISAM to ElevateDB and these are the files:- EDBConfig.EDBCfg EDBConfig.EDBLck EDBDatabase.EDBCat EDBDatabase.EDBLck User.EDBIdx User.EDBTbl etc. All the above get installed into the SYS folder. Regards, Peter Evans |
Wed, Aug 7 2013 3:32 AM | Permanent Link |
Roy Lambert NLH Associates Team Elevate | Peter
Have you set the engine to use the local settings? If not that could cause the error. I can never remember the full name of the property but I think its the last one on the engine component. Roy Lambert [Team Elevate] |
Wed, Aug 7 2013 8:57 AM | Permanent Link |
Peter Evans | On 7/08/2013 5:32 PM, Roy Lambert wrote:
> I have solved this problem. The error is misleading. According to 'edb2rsdelphiwin32unixe2.pdf' section TEDBSession.LocalConfigPath Property :- "This property overrides .... and the TEDBEngine UseLocalSessionEngineSettings property is set to True." I am using the default Engine. I do not have an Engine component. When testing that property it was False. I then explicitly set Engine.UseLocalSessionEngineSettings := True; Now I do not get the error. Regards, Peter Evans |
Wed, Aug 7 2013 9:26 AM | Permanent Link |
Roy Lambert NLH Associates Team Elevate | Peter
A) I have to say how brilliant I am <vbcg> B) Its sort of misleading but not really. With UseLocalSessionEngineSettings set as false the engine is looking for whatever you've put in the default engine component's ConfigPath. I'll bet that is empty so its looking at wherever you start the app from (or that's my guess) and can't find anything hence "Error #409 The configuration path is empty" Admittedly this should be "Error #409 The configuration path is empty of anything remotely usable by ElevateDB" but that's another story Bearing in mind that you can (if you want) have multiple sessions pointing at different databases (remote and local if you're mad enough) at the same time its difficult to see what could be done to give a better error message. That property is the main reason why I drop an engine component onto the app. Without it I can't set the property at design time and open my databases in the IDE. Roy Lambert [Team Elevate] |
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