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In WebLogic, JDBC Current Connections Count Rise Rapidly To Maximum In Connection Pool For Data Source. (Doc ID 2496553.1)

Last updated on SEPTEMBER 29, 2020

Applies to:

Oracle WebLogic Server - Version 10.3.6 and later
Information in this document applies to any platform.

Symptoms

Current Connections count rise rapidly to Maximum Capacity in JDBC Connection pool for WebLogic data source.

After that the JDBC connections increase and hit the maximum for the pool (set to 100) and no more connections can be made.


The following error appears in the WebLogic managed server log:

 

Changes

The system was recently upgraded from Oracle WebLogic Server 10.3.1 and Oracle EE Database 11.2.0.3 to WebLogic Server 10.3.6 and Oracle EE Database 11.2.0.4. WebLogic was upgraded first and then the database.

The JDBC drivers in use are those that came with the WebLogic 10.3.6 upgrade (Oracle 11.2.0.3.0 JDBC 4.0 compiled with JDK6 on Fri_Nov_04_08:05:20_PDT_2011)

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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