Cannot Establish Connection (Error Code: 17002) Randomly With JDBC Thin Driver
(Doc ID 357445.1)
Last updated on MAY 31, 2023
Applies to:
JDBC - Version 10.2.0.1 and laterInformation in this document applies to any platform.
Symptoms
When using the ORACLE JDBC thin driver to access a database server instance, it fails with the following Exception:
java.sql.SQLException: Io exception: The Network Adapter could not establish the connection
This happens when looping on the following sequence :
- connect to the database server (DriverManager.getConnection() method)
- close JDBC connection
After executing N times (randomly) this sequence of code fails at connection time.
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |