HPE Ezmeral Data Fabric 6.1.x is In Maintenance and transitions to "End of Maintenance" in June 2024. Please see the latest documentation.

About MapR 6.1
This site contains the main documentation for Version 6.1 of the MapR Converged Data Platform, including installation, configuration, administration, and reference information.
6.1 Installation
This section contains information about installing and upgrading MapR software. It also contains information about how to migrate data and applications from an Apache Hadoop cluster to a MapR cluster.
6.1 MapR Data Platform
MapR Data Platform is the industry-leading data platform for AI and analytics that solves enterprise business needs.
6.1 Administration
This section describes how to manage the nodes and services that make up a cluster.
6.1 Development
This section contains information related to application development for Ezmeral ecosystem components and MapR Data Platform products, including the file system, Database (Key-Value and JSON), and Event Streams.
Other Docs
This section contains release-independent information, including: MapR Installer documentation, Ecosystem release notes, interoperability matrices, security vulnerabilities, and links to other MapR version documentation.
- Products Covered in the MapR Data Platform Documentation
  This section lists the products covered in the MapR Data Platform documentation portal and provides links to the related product documentation.
- MapR Installer
  You must download and run the MapR Installer setup script before you can start the MapR Installer web interface or issue MapR Installer Stanza commands.
- Interoperability Matrices
  This section provides tables that show the operating system (OS), JDK, ecosystem, and MapR client support for the MapR Data Platform. Check these tables for information about software compatibility.
- MapR Data Science Refinery Release Notes
  This section contains release notes for the MapR Data Science Refinery.
- Ecosystem Component Release Notes
  The following release notes contain information for the components included in the MapR Data Platform.
- Ezmeral Ecosystem Pack (EEP) Reference
  This section contains links to information that is specific to a given EEP.
- Control System Release Notes
  This section contains release notes for the MapR Data Platform Control System.
- MapR Data Fabric for Kubernetes Release Notes
  This section contains release notes for the MapR Data Fabric for Kubernetes.
- Thin Client Release Notes
  This section contains release notes for the lightweight client applications that use the Data Access Gateway to send requests to the MapR Data Platform.
- Support Articles in the HPE Support Center
  MapR support articles moved to the HPE Support Center in 2022, changing the way you find and access the support articles.
- MapR PACC Release Notes
  This section contains release notes for the MapR Persistent Application Client Container (PACC).
- Security Vulnerabilities
  This section describes how to find information about potential security vulnerabilities in software.
- Previous Versions
  This page contains links to the MapR documentation for releases that are currently supported or have recently reached end-of-life.
- MapR Edge
  This section contains information about MapR Edge, which is a small footprint edition of the MapR Data Platform. MapR Edge is designed to capture, process, and analyze IoT data close to the source.
- Product Licensing
  Provides information related to product licensing.
- Other Resources
  This page provides links to additional resources such as on-demand training, videos, blogs, and the MapRMapR Data Platform community.
Glossary
Definitions for commonly used terms in MapR Converged Data Platform environments.

KSQL 4.1.1-2201 (EEP 6.3.6) Release Notes

The notes below relate specifically to the HPE Ezmeral Data Fabric Distribution for Apache Kafka.

Version	4.1.1
Release Date	January 2022
HPE Version Interoperability	See EEP Components and OS Support.
Source on GitHub	https://github.com/mapr/ksql
GitHub Release Tag	4.1.1-mapr-2201
Maven Artifacts	https://repository.mapr.com/maven/
Package Names	See Package Names for Ezmeral Ecosystem Packs (EEPs).

New in This Release

KSQL 4.1.1 - 2201 introduces the following enhancements or HPE platform-specific behavior changes:

CVE fixes
Bug fixes

Fixes

This HPE release includes the following fixes on the base release:

GitHub Commit Number	Date (YYYY-MM-DD)	HPE Fix Number and Description
92024b7	2022-01-26	MAPR-KAFKA-839 Updated log4j version to 1.3.1-mapr
4a7f2c5	2021-12-21	MAPR-KAFKA-826 Updated log4j version
9b5a9c3	2020-12-11	MAPR-KAFKA-383 Set public read permissions for KSQL directories
c75b19b	2020-12-11	MAPR-KAFKA-656 Update jetty version
4c71935	2020-05-05	MAPR-KAFKA-573 Update versions of commons-*.jar
9e64cb0	2020-03-17	MAPR-KAFKA-562 Create health check for KSQL
279deab	2020-03-05	MAPR-KAFKA-555 Add option to control log compaction for KStreams
95cc6ca	2020-02-12	MAPR-KAFKA-542 Fix for class not found exception (versions of connect jars are calculated dinamically)
6f8cf8e	2018-11-29	MAPR-KAFKA-158 Copyright 2017 Confluent Inc message doesn't appear when starting up KSQL.
f220e4c	2018-10-17	MAPR-MS-513 Fix for configs overriding
7297843	2018-10-05	MAPR-MS-515 Mapr specific jars are taken from cluster.
d1d7b3e	2018-09-19	MAPR-MS-511 Fix for Error: File exists

For complete details, refer to the commit log for this project in GitHub.

Known Issues and Limitations

The SHOW TOPICS command does not print information about active consumers and consumer groups.
MAPR-KAFKA-437: Dropping streams/tables may take up to five minutes. This issue is caused by MS-915: “MapR Stream application hangs inside cycle.”
MAPR-KAFKA-427: KSQL server periodically responds with a 403 code only. This issue is caused by MS-915: “MapR Stream application hangs inside cycle”

Resolved Issues

None