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Error message "module POST$READ exceeded maximum use count" is seen in IBM Data Virtualization Manager (DVM) server

Troubleshooting


Problem

The following error message is returned in DVM Studio SQL Result set when high number of SQL sequential requests are repeatedly run in Data Virtualization Manager (DVM) server:

[DV][JDBC Driver][3.1.202406111013] Error loading user exits for DB2 table rc = 4, reason = 0, flags = 00, unicode rc = 0, reason = 0

 

Symptom

Below is the error message found in the server joblog:

CSV002I REQUESTS FOR MODULE POST$READ EXECEEDED MAXMUIM USE COUNT 32767

Cause

User post-read exit is loaded in the system multiple times causes maximum use count over the system limit of 32767.

Resolving The Problem

Defect AVZ-21544 has been fixed in IBM DVM V1.2 PTF UO08065.

Defect AVZ-22038 has been fixed in IBM DVM V2.1 PTF UO08880.

Document Location

Worldwide

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Document Information

Modified date:
14 August 2026

UID

ibm17275643