Data Integration Connector Release Notes > Connector and connectivity issues > Open Table Connector

Open Table Connector

Fixed issues

The following table describes fixed issues:

Issue	Description
CCON-108605	When you read from an Apache Iceberg table that has deleted or updated rows history, the mapping stops responding, and the session log displays the following error: [ERROR] java.lang.NoClassDefFoundError: org/roaringbitmap/longlong/Roaring64Bitmap (April 2026)

Known issues

The following table describes known issues:

Issue	Description
CCON-111700	When you create a target object at run time to write data to Apache Iceberg tables managed by the AWS Glue catalog, or run a mapping with dynamic schema handling with alter and apply changes enabled, the mapping fails with the following error if the field names are not in lowercase: Field name should be in lowercase for Iceberg Table Format with AWS Glue Catalog in a mapping. Invalid field name is\: [{0}] (April 2026)

Issue

Description

CCON-111700

When you create a target object at run time to write data to Apache Iceberg tables managed by the AWS Glue catalog, or run a mapping with dynamic schema handling with alter and apply changes enabled, the mapping fails with the following error if the field names are not in lowercase:

Field name should be in lowercase for Iceberg Table Format with AWS Glue Catalog in a mapping. Invalid field name is\: [{0}]

(April 2026)