From: | Kris Jurka <books(at)ejurka(dot)com> |
---|---|
To: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
Cc: | pgsql-jdbc(at)postgresql(dot)org, jdevisser(at)digitalfairway(dot)com |
Subject: | Re: XA end then join fix for WebLogic |
Date: | 2006-12-01 12:28:29 |
Message-ID: | Pine.BSO.4.64.0612010728090.20488@leary2.csoft.net |
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Lists: | pgsql-jdbc |
On Fri, 1 Dec 2006, Heikki Linnakangas wrote:
> Kris Jurka wrote:
>> Doesn't this allow:
>>
>> xaRes.start(xid, XAResource.TMNOFLAGS);
>> xaRes.end(xid, XAResource.TMFAIL);
>> xaRes.start(xid, XAResource.TMJOIN);
>> xaRes.end(xid, XAResource.TMSUCCESS);
>> xaRes.commit(xid, true);
>>
>> Is that actually a problem or do we assume the TM is smart enough not to do
>> this.
>
> Hmm, true, it does allow that.
>
> The TM really shouldn't be doing that. It's very confused if it does.
> However, given the sorry state of many TMs out there, it'd be nice if we did
> check for that.
>
> I'd say let's not bother checking that for now. In the future, we should roll
> back the transaction on end(TMFAIL) immediately, and add checking for that
> case as well. The way it works now is perfectly correct and legal, we're just
> not taking advantage of the hint the TM is giving us.
>
OK. Applied.
Kris Jurka
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