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Oracle.ucp.UniversalConnectionPoolException : All Connections In The Universal Connection Pool Are In Use (Doc ID 2552009.1)

Last updated on OCTOBER 21, 2022

Applies to:

Universal Connection Pool - Version 12.1.0.2.0 and later
Information in this document applies to any platform.

Symptoms

While trying to create new connection using JDBC jar 12.2 with UCP jar 12.1, it fails with next error:


java.sql.SQLException: Exception occurred while getting connection: oracle.ucp.UniversalConnectionPoolException: All connections in the Universal Connection Pool are in use
  at oracle.ucp.util.UCPErrorHandler.newSQLException(UCPErrorHandler.java:479) ~[ucp-12.1.0.2.0.jar:12.1.0.2.0]
  at oracle.ucp.util.UCPErrorHandler.throwSQLException(UCPErrorHandler.java:154) ~[ucp-12.1.0.2.0.jar:12.1.0.2.0]
  at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:1127) ~[ucp-12.1.0.2.0.jar:12.1.0.2.0]
  at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:1031) ~[ucp-12.1.0.2.0.jar:12.1.0.2.0]
  at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:1006) ~[ucp-12.1.0.2.0.jar:12.1.0.2.0]
  

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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