Re: [Springframework-developer] WLS 7 and TX suspend/resume - continue.

[Thomas R. <tho...@tr...>]

I have done some additional testing for this issue and this is what I 
have found.

WebLogic exposes a client TransactionManager implementation via JNDI  
(weblogic.transaction.internal.ClientTransactionManagerImpl) and in WLS 
7.0 it is throwing an NPE when you call forceResume (with or without a 
suspended transaction that has been marked for RollbackOnly).

They also have a different server implementation 
(weblogic.transaction.internal.ServerTransactionManagerImpl) that is 
returnd by a call to TxHelper.getTransactionManager().  With this TM the 
force resume works as expected.

So the workaround for now is to do the suspend/resume using the TM 
returned by TxHelper before calling the Spring managed code. 
Alternatively we could provide a WebLogic7JtaTransactionManager that 
uses this method of obtaining the TM.

I doubt that BEA will fix this issue in WLS 7.0.  They will probably 
suggest to upgrade to 8.1 or use the TxHelper to obtain the TM.

Thomas


jürgen höller [werk3AT] wrote:

>Ideally, WebLogic should work properly with standard JTA TransactionManager resume in all cases, not needing the proprietary forceResume call. However, the least we can expect is that forceResume works properly: You could send a corresponding bug report to BEA, for WebLogic 7.0. However, they might tell you that they fixed the issue in WebLogic 8.1...
> 
>Juergen
> 
>
>________________________________
>
>Von: spr...@li... im Auftrag von jürgen höller [werk3AT]
>Gesendet: Fr 03.09.2004 23:31
>An: spr...@li...
>Betreff: Re: [Springframework-developer] WLS 7 and TX suspend/resume - continue.
>
>
>
>As I already wrote in my JIRA comments: Many thanks for your efforts, Dmitri!
>
>I assume that with JtaTransactionManager, you'll get an IllegalStateException ("cannot resume rollback-only transaction" or the like), and with WebLogicJtaTransactionManager, you'll get the NPE in WebLogic code?
>
>This really seems to be a bug in WebLogic 7.0... At least it should work properly as long as not suspending a transaction that has been marked as rollback-only.
>
>Juergen
>
>
>________________________________
>
>Von: spr...@li... im Auftrag von Dmitri Maximovich
>Gesendet: Fr 03.09.2004 23:07
>An: spr...@li...
>Betreff: [Springframework-developer] WLS 7 and TX suspend/resume - continue.
>
>
>
>I just tried WLS 7 with Spring 1.1rc2 and BMT transaction demaraction. It
>doesn't work with standard JtaTransactionManager or with
>WeblogicJtaTransactionManager, so something fundamentally broken in WLS7 (same
>NPE as described in JIRA SPR-251).
>Next I'll try to use WLS TransactionManager (exposed in JNDI) to suspend/resume
>transaction without Spring to see it it's going to work.
>
>
>
>
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