Ugly delayed exceptions (error reading data from the connection) on certain
driver versions in VS2013 / all versions in VS2015
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Key: DNET-655
URL: http://tracker.firebirdsql.org/browse/DNET-655
Project: .NET Data provider
Issue Type: Bug
Components: ADO.NET Provider, DDEX Provider, Entity Framework support
Affects Versions: 4.8.1.0, 4.8.0.0, 4.7.0.0, 4.6.4.0, 4.6.3.0, 4.6.2.0,
4.6.1.0, 4.6.0.0
Environment: Windows Server 2008 RS Standard Service Pack 1
IIS 7.5
Using Visual Studio 2013 the errors occur with version 4.6.0.0 + (version
4.5.1.0 is fine!!)
Using Visual Studio 2015 the errors occur with version 4.5.1.0 also !!
EntityFramework 6.0.0.0
Reporter: Jimmy Gee
Assignee: Jiri Cincura
I have isolated all my Firebird code into a single webservice module and are
using very basic using() { } pattern to access the database.
The error happens sporadic after some time (if it happens) but is reproducable
in the way that you can sort of guarantee that it will start happening after
some hours max.
As soon as I use Visual Studio 2013 and driver version 4.5.1.0 or below it will
NEVER happen (running for days and weeks)
As soon as I use Visual Studio 2013 and driver version 4.6.0.0 or above it WILL
happen (after minutes or hours max.) It is very BAD as soon as it happens!!
As soon as I use Visual Studio 2015 (no matter which driver version) it WILL
happen!!
.Net Framework version 4.5 4.51 4.52 4.6 does NOT matter!!
sample code:
using (var context = new VodmateEFCtx())
{
return context.DOWNLOADS.SingleOfDefault(x => x.dlcode = "xxxxxx");
}
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