[jboss-user] [JBoss Cache: Core Edition] - Re: is it possible for MVCCInvocationContext to have null mv

[manik.surtani@jboss.com]

Hi and sorry for not responding sooner.

putForExternalRead was designed to specifically work outside the scope of any ongoing transaction, so that it does not cause any ongoing transaction to fail and roll back if the pFER() call fails.  

So this is why calls to ctx.lookUpNode() within the scope of a pFER() call uses the looked up nodes map on the InvocationContext rather than the TransactionContext, this is by design.

The evict call, that then attempts to evict the node, should be referring to the transaction context and not the invocation context.  This again is by design, and since the node does not exist in the transaction context, it would be loaded into the transaction context in MVCCLockingInterceptor.handleEvictFqnCommand().

If for some reason your call to cache.evict() fails, then this is probably a bug.



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