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https://issues.apache.org/jira/browse/HDDS-14799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Priyesh K closed HDDS-14799.
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> Handle RocksDB Close State in Iterator next() / hasNext() to Prevent Failures
> -----------------------------------------------------------------------------
>
> Key: HDDS-14799
> URL: https://issues.apache.org/jira/browse/HDDS-14799
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Priyesh K
> Priority: Major
>
> Currently, the RocksDB iterator methods {{next()}} and {{hasNext()}} rely on
> {{isValid()}} to determine whether the iterator can move forward. However,
> this check does not verify whether the underlying RocksDB instance is still
> open.
> There is a potential race condition where:
> * The iterator is obtained while RocksDB is open.
> * After some time, RocksDB may get closed.
> * Next calls to {{next()}} or {{hasNext()}} only check {{isValid()}} and do
> not validate whether the DB is still open.
> In such scenarios, calling {{next()}} or {{hasNext()}} may result in
> unexpected failures or exceptions because the underlying database has already
> been closed.
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