Kafka Streams - 2201 (EEP 7.1.2) Release Notes

The notes below relate specifically to the HPE Ezmeral Data Fabric Distribution for Apache Kafka. See Apache Kafka 2.1.1 Release Notes or the Apache Kafka Streams homepage for more information.
Version 2.1.1
Release Date March 2022
HPE Version Interoperability See MEP Components and OS Support
Source on GitHub https://github.com/mapr/kafka
GitHub Release Tag
Maven Artifacts https://repository.mapr.com/maven/
Package Names See Package Names for MapR Ecosystem Packs (MEPs).

New in This Release

Kafka Streams - 2201 introduces the following enhancements or HPE platform-specific behavior changes:
  • CVE fixes
  • Bug fixes


This HPE release includes the following fixes on the base release:
GitHub Commit Number



MapR Fix Number and Description
60e9aa8 2022-01-25 MAPR-KAFKA-839 Updated log4j version to 1.3.1-mapr
cd21153 2022-01-10 MAPR-KAFKA-835 Updated log4jv2 version
fa557de 2021-12-29 MAPR-KAFKA-774 Kafka-connect service does not restart after running configure.sh script
21bc64e 2021-12-17 MAPR-KAFKA-826 Updated log4j version
7f1ec00 2021-12-15 MAPR-KAFKA-827 Updated hadoop version
c69400d 2021-12-08 MAPR-KAFKA-814 CVE for kafka
8c115b0 2021-10-21 MAPR-KAFKA-779 Kafka-connect service starts with encrypted ssl passwords
For complete details, refer to the commit log for this project in GitHub.

Known Issues and Limitations

  • Pattern subscription is not supported.
  • The application reset tool hangs if it runs when the Kafka Streams application is running.
  • The application reset tool may throw a Null Pointer Exception when the date or duration parameter is used.
  • The application reset tool does not reset to intermediate offset if the topic has multiple partitions.
  • MAPR-KAFKA-581: Stream hangs in rebalancing state. The workaround is to set a larger timeout. This issue is caused by MS-915: “MapR Stream application hangs inside cycle”

Resolved Issues

  • None.