Websphere J2C Connection Pooling

J2C Connection Pooling on WebSphere Application Server WebSphere Support Team instructions, strategies, tools, and other resources for migration.

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WebSphere J2C Connection Pooling

IBM® WebSphere® Application Server provides connection pooling for Java™ Database Connectivity (JDBC), Java Message Service (JMS), and Enterprise Information System (EIS) connections. The purpose of pooling connections is to improve performance by reducing the overhead involved in creating a new connection every time the application requests one. Connection pooling allows J2EE applications to reuse connections to databases and other backend systems for multiple requests.

Debugging a connection pooling issue requires an approach to identify and solve the error being observed.

Technical Notes

Troubleshooting connection pooling (J2C) problems in WebSphere Application Server

How to troubleshoot J2CA0045E connection pooling problems

Demystifying the WebSphere StaleConnectionException

Documentation

Learning more about Connection Pooling (J2C)

Default behavior of managed connections in WebSphere Application Server

WebSphere Application Server StaleConnectionExceptions

MustGathers

MustGather: Connection pooling problems for WebSphere Application Server

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