FIX: BizTalk Adapter for DB2 doesn't return useful error when send port custom SELECT statement contains duplicate columns in WHERE clause CASE expression

Symptoms

BizTalk Adapter for DB2 doesn't return useful error when send port custom SELECT statement contains duplicate columns in WHERE clause CASE expression. Additionally, you receive the following error:

An item with the same key has already been added.

Cause

BizTalk Adapter for DB2 doesn't return useful error due to which the user identifies incorrect duplicate column references in WHERE clause CASE expression.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Resolution

This issue is fixed in the following cumulative update for Host Integration Server:

• Cumulative Update 4 for Host Integration Server 2016

• Cumulative Update 1 for Host Integration Server 2020

References

Learn about the terminology that Microsoft uses to describe software updates.