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| .Net: Transactional Get with System.Transaction or WCF |
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| mfrenzel |
 Posted: Thu Oct 25, 2007 7:24 am Post subject: .Net: Transactional Get with System.Transaction or WCF |
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Newbie
Joined: 25 Oct 2007
Posts: 3
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Hello,
I try to implement a service which is able to get and put WMQ messages using server binding executing
in a distributed transaction with for example oralce.
The examples in IBM's guide still use com+ (SWC) .Net 1.1 style. I like to use at least .Net 2.0
system.transaction transaction support, better WCF transaction support.
I succeeded with Sys.Transaction and WCF in the PUT scenario. Even if I use
WCF's declarative transaction support and no manual transaction controlling code in the
MQ layer (syncpoints,backout,commit).
But in the get Scenario I am not able to get it working. I tried this without success:
a) WCF declarative transaction, with no syncpoint
b) system transaction, with no syncpoint
c) system transaction (with EnterpriseInteroperationOption.Full), with no syncpoint
d) system transaction, with syncpoint
In every case the message was retrieved also inside the transaction block the transaction was aborted through an
exception. Even if I did not closed the queue!
Only controlling the MQ transaction manually worked, with
a) open queue with syncpoint
b) do get
c) If (Exception) then backout
d) else close Queue (with impliziet commit)
Does someone have a transactional example working based on .Net 2.0 or 3.0 for both put and get?
Any hints?
Regards
Martin |
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| jefflowrey |
| Posted: Thu Oct 25, 2007 8:04 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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Is .NET 2.0 supported with the MQ .NET API yet?
Are you doing the right things to use the external transaction control?
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I am *not* the model of the modern major general. |
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| mfrenzel |
| Posted: Thu Oct 25, 2007 11:57 pm Post subject: |
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Newbie
Joined: 25 Oct 2007
Posts: 3
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Yes, I think .Net is officially supporting .Net 2.0 since 6.0.2.2.
System.Transaction is one of the important new features of .Net 2.0!
Of course WCF declarative Transaction are not officially supported. But I guess under the hood they use the same transactional modell.... |
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| Vitor |
| Posted: Fri Oct 26, 2007 12:01 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| mfrenzel wrote: |
| Yes, I think .Net is officially supporting .Net 2.0 since 6.0.2.2. |
I imagine .Net is officially supporting .Net! 
More seriously, has IBM actually announced (somewhere I've clearly missed) that WMQ is now compliant with .Net 2.0? If so, any chance of a link?
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| mfrenzel |
| Posted: Fri Oct 26, 2007 12:16 am Post subject: |
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Newbie
Joined: 25 Oct 2007
Posts: 3
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http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27010275
>The 32-bit version of the .NET framework versions 1.1 and 2.0 are both
supported for use with Windows 64-bit operating systems. One of
these versions must be installed if you wish to write .NET applications.
By default, applications built using .NET Framework 2.0 can run as either
32-bit or 64-bit depending on your operating system. However, because
WebSphere MQ supports 32-bit applications only, if you are using a 64-bit
operating system, applications must be built with the platform explicitly
set to x86, so that they will run as 32-bit applications on 64-bit Windows.< |
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| Vitor |
| Posted: Fri Oct 26, 2007 12:21 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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Thanks for the link 
_________________
Honesty is the best policy.
Insanity is the best defence. |
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