I have an existing .NET 2 application that has been working for a while
using Firebird embedded 1.53 (developing under XP). I've moved my
development environment to a new box running Vista 64 bit and I'm having
some problems with Firebird.
I can use IBExpert to open & query my db as usual (which I didn't expect as
I thought Firebird 1.5 didn't support 64 bit) but when I try to open it in
my application the first FbConnection.Open() call throws a
BadImageFormatException. I've also tried using embedded versions 1.54 and
2.0 and they all throw the same exception, a BadImageFormatException with
the following message:
An attempt was made to load a program with an incorrect format. (Exception
from HRESULT: 0x8007000B)
And the following call stack:
at FirebirdSql.Data.Client.Embedded.FbClient.isc_attach_database(Int32[]
statusVector, Int16 dbNameLength, Byte[] dbName, Int32& dbHandle, Int16
parmBufferLength, Byte[] parmBuffer)
at
FirebirdSql.Data.Client.Embedded.FesDatabase.Attach(DatabaseParameterBuffer
dpb, String dataSource, Int32 port, String database)
at FirebirdSql.Data.FirebirdClient.FbConnectionInternal.Connect()
at FirebirdSql.Data.FirebirdClient.FbConnectionPool.Create()
at FirebirdSql.Data.FirebirdClient.FbConnectionPool.CheckOut()
at FirebirdSql.Data.FirebirdClient.FbConnection.Open()
at
SpellGen.DocumentType.Campaign.Internals.CampaignDatabase.get_AllCampaigns()
in
D:\Development\SpellGen\SpellGen.DocumentType.Campaign\Internals\CampaignDat
abase.cs:line 41
Can anyone shed any insight on the problem? Taken literally it would appear
that windows/.net thinks fbembed.dll (or some other binary) isn't actually a
dll/exe. Is this being caused by 64 bit? At first that was what I thought,
but then I would have expected it to work with Firebird 2.0 which gave the
same error (but 2.0 as 1.53 opens the db in IBExpert fine).
--
Mark Sironi
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