Hi All.
I've this exception trying to run an application just ported from Delphi 10.4.2 to Delphi 11.3
This App uses two couples of tzquery and tzconnection to open and manage a very simple tsqllite local database.
The exception raises wihen I open for first time my TZQuery1.
If compiled with 10.4.2 version the App runs without problems, and my sorgent files are *identical*, but ZeosLib version are not identical, so I think there is, maybe, a problem with latest ZLib.
In fact, with Delphi 10.4.2 (and 10.3 too) I use the package from DelphiXE10 installation folder, files seem to bee all dated from 2016, but with Delphi 11.3 I've installed the zeoslib-master zip files downloaded the last 17 of may (2023).
For now I've stopped this porting, May someone help? Any idea?
Thanks in advance
Marco
Delphi 11 exception
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Delphi 11 exception
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marsupilami
- Platinum Boarder
- Posts: 1939
- Joined: 17.01.2011, 14:17
Re: Delphi 11 exception
Hello Marco,
"Requested database driver was not found" means that you try to use a driver that Zeos doesn't know.
Given your information, I can only do assumptions here. I assume that with Delphi 10.4 you use Zeos 7.2 or something older? Master currently contains a version of Zeos 8.0. One of the changes from Zeos 7.2 to Zeos 8.0 is that we don't use verion numbers with drivers anymore. so "firebird-2.5" has to be changed to "firebird". The same is true for all other drivers. This has been mentioned in the Zeos 7.2 release notes. See https://sourceforge.net/projects/zeoslib/files/documentation/Release%20Notes-7.2.14.pdf/download, Chapter 8 "The future development of Zeos":
Jan
"Requested database driver was not found" means that you try to use a driver that Zeos doesn't know.
Given your information, I can only do assumptions here. I assume that with Delphi 10.4 you use Zeos 7.2 or something older? Master currently contains a version of Zeos 8.0. One of the changes from Zeos 7.2 to Zeos 8.0 is that we don't use verion numbers with drivers anymore. so "firebird-2.5" has to be changed to "firebird". The same is true for all other drivers. This has been mentioned in the Zeos 7.2 release notes. See https://sourceforge.net/projects/zeoslib/files/documentation/Release%20Notes-7.2.14.pdf/download, Chapter 8 "The future development of Zeos":
Best regards,Protocols with version numbers will not be used in Zeos 8.0 anymore (i.e. firebird-2.5 will become firebird). Please migrate. Driver names without version numbers were added to Zeos 7.2 to prepare for this.
Jan