TROUBLESHOOTING "ORA-03135: connection lost contact" from ODP.NET connections with connection pooling enabled
(Doc ID 578000.1)
Last updated on JULY 03, 2023
Applies to:
Oracle Data Provider for .NET - Version 10.2.0.1.0 and laterMicrosoft Windows (32-bit)
Microsoft Windows x64 (64-bit)
Symptoms
ODP.NET applications that have connection pooling enabled (which is the default) may intermittently experience the following error:
ORA-03135: connection lost contact
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |