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"ORA-1000 max open cursors exceeded" Using OracleDataReader (Doc ID 286707.1)

Last updated on MARCH 17, 2025

Applies to:

Oracle Data Provider for .NET - Version 9.2.0.8 and later
Microsoft Windows x64 (64-bit)
Microsoft Windows (32-bit)

Symptoms

Using an OracleDataReader with ODP.NET you encounter an error "ORA-01000: maximum open cursors exceeded." The following code example is slightly exaggerated to show how an ORA-01000 can occur faster:
   

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution

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