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Posted to issues@fluss.apache.org by "platinumhamburg (via GitHub)" <gi...@apache.org> on 2026/09/18 02:35:44 UTC
[I] Upgrade Curator to 5.8.0 to fix LeaderLatch recovery [fluss-shaded]
platinumhamburg opened a new issue, #12:
URL: https://github.com/apache/fluss-shaded/issues/12
## Description
`fluss-shaded-zookeeper` currently bundles Curator 5.4.0, which does not include [CURATOR-724](https://issues.apache.org/jira/browse/CURATOR-724).
After a ZooKeeper session expires, its ephemeral election node is removed. If the empty container parent is also removed, the existing `LeaderLatch` can remain idle after reconnection: `getChildren(latchPath)` returns `NONODE`, and the callback does not resume election.
## Proposed change
Upgrade the bundled Curator dependencies to 5.8.0, which includes the [upstream fix](https://github.com/apache/curator/pull/515). The fix resets the latch when its election parent is missing and rechecks leadership on reconnection.
This provides the dependency fix needed for the missing-election-parent recovery scenario discussed in apache/fluss#4362 and apache/fluss#4382. It does not establish that parent deletion was the cause of the reported production incident.
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Re: [I] Upgrade Curator to 5.8.0 to fix LeaderLatch recovery [fluss-shaded]
Posted by "wuchong (via GitHub)" <gi...@apache.org>.
wuchong closed issue #12: Upgrade Curator to 5.8.0 to fix LeaderLatch recovery
URL: https://github.com/apache/fluss-shaded/issues/12
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