Hadoop 3.4.1.400 (DEP 10.1.0) Release Notes

The notes below relate specifically to the HPE Data Fabric distribution of Apache Hadoop. You may also be interested in the Apache Hadoop changelog and the Apache Hadoop home page.

These release notes contain only HPE-specific information and are not necessarily cumulative in nature. For information about how to use the release notes, see Ecosystem Component Release Notes.

Version 3.4.1.400
Release Date April 2026
Version Interoperability See Ecosystem Pack Components and OS Support.
GitHub Source https://github.com/mapr/hadoop-common/
GitHub Release Tag 3.4.1.400-dep-1010
Maven Artifacts https://repository.mapr.com/maven/
Package Names Navigate to https://package.ezmeral.hpe.com/releases/MEP/ and select your DEP and OS to view the list of package names.

New in this Release

Hadoop 3.4.1.400 introduces the following enhancements or HPE platform-specific behavior changes:
  • CVE updates
  • Bug fixes

Fixes

This HPE release includes the following fixes on the base Apache release:
GitHub Commit Number Date (YYYY-MM-DD) HPE Fix Number and Description
38b0a71a7d9 2026-03-02 MAPRYARN-487: Updated org.apache.logging.log4j:log4j-layout-template-json to 2.25.3
ec1bf896698 2026-02-24 MAPRYARN-487: Updated netty4 to 4.1.131.Final
90eb3eb565f 2026-02-24 MAPRYARN-487: Updated org.apache.avro:avro to 1.11.5 due CVE-2025-33042
12e3ada9b70 2026-02-24 Backported HADOOP-19765. Upgrade to log4j 2.25.3 due to CVE-2025-68161
7ca3415c51c 2026-02-24 Backported HADOOP-19747. Switch to at.yawk.lz4:lz4-java:1.10.2 due to CVE-2025-66566
0becaa55464 2026-02-24 Backported HADOOP-19761. Upgrade jetty and http2-common to 9.4.58.v20250814
5ee66584c62 2026-02-20 ECO-428: Updated bootstrap for hadoop yarn application catalogs to ~3.4.0 to resolve CVE scanner warning
5f091598167 2026-02-20 ECO-427: Updated aliyun-sdk-oss to 3.18.5 to resolve transitive dependency CVE - CVE-2022-41404
ddde7f6c572 2026-02-20 Backported HADOOP-19352. Hadoop OSS Connector adds support for V4 signatures.
b20ee962d35 2026-01-23 Backported MAPRYARN-486: Fixed YARN service startup process on the cluster without SSO
b01e30b766d 2026-01-21 MAPRHADOOP-590: Load all public keys during initialization JWT authentication handler

Known Issues and Limitations

Hadoop 3.4.1.400 has the following known issue and limitation:

  • Multiple labels are not supported within the same node or queue.
  • YARN UI2. If you need to go to the login page after logging out, you need to go to the main page and refresh it.

Resolved Issues

None.