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How to troubleshoot J2CA0045E connection pooling problems

Troubleshooting


Problem

This document describes a non-invasive method of diagnosing the cause of a J2CA0045E error.

Symptom

If you have an application which is receiving com.ibm.websphere.ce.cm.ConnectionWaitTimeoutException errors or J2CA0045E: Connection not available while invoking method queueRequest for resource jdbc/xxxxxx, then there is a possibility that the database connections are not being returned to the connection pool in a timely manner.

[{"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"DB Connections\/Connection Pooling","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"9.0;8.5.5;8.0;7.0","Edition":"Base;Network Deployment","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
03 March 2025

UID

swg21385033