Hi,

[I could not find any announcement or note on this change (searched
forums and SourceForge), so I am asking here].

I switched from Jboss-3.0.2 to Jboss-3.0.3. Now I am getting a lot of
"MethodOnlyEJBLock has been deprecated" messages.
Looking at the source tells me, that it has not only been deprecated,
but removed except for a small stub printing the warning.

The Instance Per Transaction configuration in standardjboss.xml, that I
am using, has been changed to let NoLock handle the locking.
And there is a new "SimpleReadWriteEJBLock" class, which however is not
mentioned anywhere in the standardjboss.xml file.

This triggers a few questions:

 o To which degree have the semantics of the "Instance Per Transaction
CMP2.x" configuration been changed by this?
 o Can I use "SimpleReadWriteEJBLock" instead of "NoLock" (the latter
one sounds dangerous. Is it?)
 o What is the "standard" interceptor stack for using
"SimpleReadWriteEJBLock"?
 o What is the performance of SimpleReadWriteEJBLock compared to NoLock
or the former MethodOnlyEJBLock?

Regards
Georg




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