[jboss-dev-forums] [Design of JBossCache] - Re: state transfer failure handling

[bstansberry@jboss.com]

FYI, please note that the "current" above means the current HEAD code, which works somewhat differently from the currently released code (1.4.0.SP1).

In 1.4.0.SP1:

If the state provider has a failure marshalling transient, associated or persistent state, it returns null for the entire state transfer.  The recipient interprets the null as a failure.

On the recipient side, if there is a problem integrating the transient state, associated state is *not* integrated.  Don't remember why I did it that way; probably because associated is useless without the transient state.  However, if there's a problem integrating either transient or associated state, integration of persistent state is still allowed to proceed. That behavior of allowing persistent to proceed after a failure with transient goes back a long way.

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