Notable fixes in R2021-12

Big Data

Issue	Description	Available in
Security vulnerability - Log4j2	Following the Log4j2 vulnerability, Spark Batch and Spark Streaming Jobs with Azure Synapse and HD Insight 4.0 distributions were failing. This issue has been fixed by disabling the use of Log4j in components. Make sure that the Activate log4j in components check box from the Log4j view in File > Edit Project Properties > Project Settings is cleared.	All subscription-based Talend products with Big Data
Job with EMR 6.2 distribution fails when it contains the tDatamasking component	The issue preventing Spark Batch Jobs from running with EMR 6.2 distribution has been fixed by updating JARs.	All subscription-based Talend products with Big Data
NullPointerException error when using Cross Join in Spark Jobs	The issue preventing from configuring any join with tMap in Spark Jobs has been fixed. The NullPointerException error do not appear anymore.	All subscription-based Talend products with Big Data
Case sensitivity causing error with Hive	The issue with case sensitivity causing the Job failure has been fixed. With Hive tables, the Hive Query is no longer case sensitive. If the schema is defined in lower case and you write upper case in the query, the Job no longer fails. For example, the following queries are both working: select ID, NAME from table and select id, name from table.	All subscription-based Talend products with Big Data

Issue	Description	Available in
Security vulnerability - Log4j2 - CVE-2021-44228	This vulnerability impacts Talend Studio, Data Integration components, Data Quality components, ESB components, and Metadata Bridge. This issue has been fixed by upgrading the Log4j2 version to 2.16.	All subscription-based Talend products with Talend Studio
Security vulnerability - CVE-2021-35517	This issue has been fixed in the Metadata Bridge patch 20211213-1157.	All subscription-based Talend products with Talend Studio

Issue

Description

Available in

Security vulnerability - Log4j2 - CVE-2021-44228

This vulnerability impacts Talend Studio, Data Integration components, Data Quality components, ESB components, and Metadata Bridge.

This issue has been fixed by upgrading the Log4j2 version to 2.16.

All subscription-based Talend products with Talend Studio

Security vulnerability - CVE-2021-35517

This issue has been fixed in the Metadata Bridge patch 20211213-1157.

All subscription-based Talend products with Talend Studio

Issue	Description	Available in
Error when running Job with tHMap using the Unroll from Loop feature	The issue causing unrolled elements to not be fully validated, which resulted in an error when running a Job using these elements, has been fixed.	All Talend Platform and Data Fabric products

Issue	Description	Available in
Performance issues on analyses	The issue preventing from using Talend Studio while an analysis is being opened has been fixed.	All Talend Platform and Data Fabric products
Error when using tMatchGroup with a shared connection	The issue preventing from opening the tMatchGroup settings in a Job using tDBInput, tMatchGroup and a shared connection has been fixed.	All Talend Platform and Data Fabric products

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