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Re: JTA 1.2 Implementation Work
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created by <a href="https://community.jboss.org/people/paul.robinson">Paul Robinson</a> in <i>JBoss Transactions Development</i> - <a href="https://community.jboss.org/message/816816#816816">View the full discussion</a>
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<div class="jive-rendered-content"><p>Tom,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><blockquote class="jive-quote"><p><span style="font-size: 12pt;">Re: When something goes wrong internally to the implementation of the TransactionInterceptor or TransactionalContext, what RuntimeException should I throw?</span> </p><p>It doesn't seem to be specified, so I'm thinking I can just throw some Narayana specific RuntimeException.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Can you provide an example, at the moment I am thinking javax.transaction.TransactionalException (from 3.7: Transactional Annotation)</p></blockquote><p>Yes, I think I can use TransactionalException in the transaction interceptors. However, I was more thinking about what to do in the TransactionalContext. Here's an example:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The TransactionalContext needs to lookup the transaction manager. If this fails, a javax.transaction.SystemException is thrown. This has to be handled (it extends Exception) and the Context interface does not declare that any checked exceptions can be thrown from its methods. Therefore I need to wrap the javax.transaction.SystemException in some unchecked transaction. </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>TransactionalException is the only RuntimeException in the JTA 1.2 spec, so I'll just use whatever general unchecked exception we use in the JTA 1.1 implementation.</p></div>
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