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Oracle UCP - All connections in use error

Andy DufresneFeb 8 2012 — edited Mar 5 2012

I am using Oracle universal connection pool (version 11.2.0.1.0) and facing the below error

Caused by: oracle.ucp.UniversalConnectionPoolException: All connections in the Universal Connection Pool are in use
	at oracle.ucp.util.UCPErrorHandler.newUniversalConnectionPoolException(UCPErrorHandler.java:421) ~[ucp-11.2.0.1.0.jar:11.2.0.1.0]
	at oracle.ucp.util.UCPErrorHandler.newUniversalConnectionPoolException(UCPErrorHandler.java:389) ~[ucp-11.2.0.1.0.jar:11.2.0.1.0]
	at oracle.ucp.util.UCPErrorHandler.newUniversalConnectionPoolException(UCPErrorHandler.java:403) ~[ucp-11.2.0.1.0.jar:11.2.0.1.0]
	at oracle.ucp.common.UniversalConnectionPoolImpl.newConnectionWaitFailedException(UniversalConnectionPoolImpl.java:459) ~[ucp-11.2.0.1.0.jar:11.2.0.1.0]
	at oracle.ucp.common.UniversalConnectionPoolImpl.borrowConnectionWithoutCountingRequests(UniversalConnectionPoolImpl.java:280) ~[ucp-11.2.0.1.0.jar:11.2.0.1.0]
	at oracle.ucp.common.UniversalConnectionPoolImpl.borrowConnection(UniversalConnectionPoolImpl.java:130) ~[ucp-11.2.0.1.0.jar:11.2.0.1.0]
	at oracle.ucp.jdbc.JDBCConnectionPool.borrowConnection(JDBCConnectionPool.java:119) ~[ucp-11.2.0.1.0.jar:11.2.0.1.0]
	at oracle.ucp.jdbc.PoolDataSourceImpl.getConnection(PoolDataSourceImpl.java:656) ~[ucp-11.2.0.1.0.jar:11.2.0.1.0]
	... 15 common frames omitted

I tried increasing the connection wait timeout to 180 secs but that doesn't seem to resolve this issue which the documentation claims to.

Any suggestions on what could be going wrong?

Thank you.

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Locked on Apr 2 2012

Added on Feb 8 2012

#connection, #java-database-connectivity-jdbc

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