[infinispan-issues] [JBoss JIRA] (ISPN-11299) Stale values can be indexed during State Transfer

[Gustavo Fernandes (Jira)]

Gustavo Fernandes created ISPN-11299:
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             Summary: Stale values can be indexed during State Transfer
                 Key: ISPN-11299
                 URL: https://issues.redhat.com/browse/ISPN-11299
             Project: Infinispan
          Issue Type: Bug
          Components: Core
    Affects Versions: 10.1.1.Final
            Reporter: Gustavo Fernandes


If an operation is discarded during state transfer because it was already modified locally, the QueryInterceptor still propagates it to the index, leaving the index out of sync.

Sequence of events:

* T1: State Transfer starts
* T2: The EWI (EntryWrappingInterceptor) starts tracking all non-state-transfer operations
* T3: An entry is added locally
* T4: EWI stores the key
* T5: The same key arrives from State Transfer
* T6: QueryInterceptor indexes it (The QI is installed after EWI but indexing happens before storing the entry in the data container)
* T7: The entry operation is not committed in the data container since it was tracked before as ```DiscardPolicy{discardStateTransfer=true, discardXSiteStateTransfer=false}```




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