Dain Sundstrom wrote:
>>I think I understand now. Here is some text I found the J2EE tutorial:
>>
>>------------
>>You cannot modify the isolation level of a entity beans with
>>container-managed persistence. These beans use the default isolation level
>>of the DBMS, which is usually READ_COMMITTED.
I don't remember the spec saying that the container had to use the
database default isolation level. Is this remark more about the RI than
what containers in general should do, or did I miss something?
>>
>>Do not change the isolation level in the middle of a transaction. Usually,
>>such a change causes the DBMS software to issue an implicit commit.
D'Oh! I'd expected an exception in that case.
>>-----------
>>
>>So the code I added probably causes an "implicit commit," which is bad.
>>From my very JDBC centric perspective, this should be set in Minerva
>>(JBossPool?) and user configurable. I don't know much about the connector
>>architecture, so maybe Minerva is the wrong place.
>>
>>Any way, I think I should roll back my change.
I'd agree.
>>If you agree marc, just say
>>so and it is done.
But I'm not marc.
>>
>>I don't know any thing about Minerva, so if you want that changed, someone
>>else would be better suited. If no one wants to do it, I'll look at it.
>>
>>-dain
>>
-danch
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