[Firebird-net-provider] [FB-Tracker] Created: (DNET-523) Unable to unload fbembed.dll

[Marcel B. (JIRA) <tr...@fi...>]

Unable to unload fbembed.dll
----------------------------

                 Key: DNET-523
                 URL: http://tracker.firebirdsql.org/browse/DNET-523
             Project: .NET Data provider
          Issue Type: Bug
          Components: ADO.NET Provider
    Affects Versions: 3.2.0.0
            Reporter: Marcel Brink
            Assignee: Jiri Cincura
            Priority: Critical


I have a small application to be able to backup / restore and upgrade Firebird database which are used by our software.
Since we started years back with Firebird 1.5 and migrated to 2.5 it's still possible some of our customer are running on 1.5.

So i'm trying to automate the process to :
- Restore a backup (possibly 1.5)
- I try to connect through a 1.5 fbembed.dll using the FbConnectionBuilder.ClientLibrary.
- if it fail i try to connect through a 2.5 fbembed.dll using the FbConnectionBuilder.ClientLibrary.

However, switching from 1 client to the other doesn't free the fbembed.dll (and related dll's).
Even disposing the FbConnection doesn't do the trick.
FbConnection.ClearAllPools() also doesn't work.

Is there any way to force unloading the fbembed.dll ?
I tried it by manually unloading, but this leads to problems (probably due to caching of the dynamic assembly)

tia,

Marcel

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