Release 4.15.3

Release 4.15.3 includes multiple bug fixes and some dependencies CVE fixes.

Apache BookKeeper users are encouraged to upgrade to 4.15.3.
The technical details of this release are summarized below.

Notice

• 4.15.0 introduced a breaking change in the RocksDB configuration in 4.15.0. Release 4.15.3 allows users to safely upgrade from 4.14.x without losing the RocksDB runtime configuration
  For more details, refer to https://lists.apache.org/thread/drh4p5prxbcs8gszhxnd1xsv0g48vvbt
  See PR #3523

• Timeout exceptions are now handled in a better way during reads.
  See PR #3562

Highlights

Dependency updates

• Upgrade dependencies for CVE-2022-3171 and CVE-2022-42003. PR #3579
• Bump jackson version to 2.13.4 . PR #3518

Bugs

• Fix ByteBuf memory leak problem when setExplicitLac. PR #3557
• Flush time started moved to after lock. PR #3570
• Skip replicasCheck when replication disabled. PR #3563
• Skipping placementPolicyCheck when ledger replication disabled. PR #3561
• Fix the deadlock when only using io thread to handle request. PR #3480
• Fix memory leak when reading entry but the connection disconnected. PR #3528
• Fix byteBuf potential memory leak problem. PR #3525
• LedgerOpenOp: Do not call blocking close() in the callback. PR #3513
• Rename success with writableResult and update final writableResult about wait writeSet. PR #3505
• Avoid closing the ledgerAuditorManager twice in the close method. PR #3503

Improvements

• When call openLedgerOp, make the timeout ex is a separate error code. PR #3562
• Make the rocksDB configuration compatible with previous versions. PR #3523
• Reduce unnecessary loop in removeIf if map is empty. PR #3512
• Update default value of allocatorPoolingConcurrency. PR #3001