bookkeeper release-4.17.4

4.17.4

Release 4.17.4 includes multiple bug fixes and few dependency updates.

Apache BookKeeper users are encouraged to upgrade to 4.17.4 if you are using 4.17.x. The technical details of this release are summarized below.

Bugs

• Revert “Fix read thread blocking in sendResponseAndWait causing READ_ENTRY_REQUEST p99 latency spike (#4730)” PR #4830
• [Fix] Replace Java record with nested class in ConcurrentLongHashMap (branch-4.17) PR #4778
• [Fix] ConcurrentLongHashMap throw ArrayIndexOutOfBoundsException PR #4771
• Fix NPE in PendingAddOp.maybeTimeout() when clientCtx is null after recycling PR #4760
• Fix race condition NPE in V3 response handling during timeout check PR #4737
• [FIX] Fix IllegalThreadStateException in ComponentStarter shutdown hook PR #4733
• Issue 2422: Fix SyncLedgerIterator.hasNext() failing to iterate across ZK ledger ranges PR #4731
• Fix read thread blocking in sendResponseAndWait causing READ_ENTRY_REQUEST p99 latency spike PR #4730
• Count the connection failure as the condition of quarantine PR #4727
• [client] fix writeLac memory leak and thread safety issue PR #4713
• Fix the stream client python package name PR #4703
• [fix]Fix entry loss due to incorrect lock of LedgerHandle PR #4701
• [fix] Ledger Replication worker should throttle on verrification reads PR #4678
• FlakyTest: BookieAutoRecoveryTest.testEmptyLedgerLosesQuorumEventually PR #4672

Improvements

• [improve] Update readledger command to read all the entries from a bookie when first entry and last entry ids are not provided PR #4692
• test: migrate client module api tests to junit 5 PR #4377
• test: migrate client module bookie tests to junit 5 PR #4359

Dependency updates

• Upgrade vertx to 4.5.27 to address CVE-2026-6860 PR #4792
• Upgrade thrift to 0.23.0 to address CVE-2026-43869 PR #4791
• build(deps): bump org.apache.commons:commons-lang3 from 3.17.0 to 3.20.0 PR #4725
• build(deps): bump io.vertx:vertx-core from 4.5.11 to 4.5.24 PR #4702

Details

https://github.com/apache/bookkeeper/pulls?q=is%3Apr+label%3Arelease%2F4.17.4+is%3Amerged+

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Source apache/bookkeeper · release-4.17.4 · 2026-07-28 · upstream release

Mirrored verbatim for indexing. All rights belong to the upstream project.