Unable to get managed connection Errors from JBOSS Application (Doc ID 2294601.1)

Last updated on AUGUST 07, 2017

Applies to:

JDBC - Version 11.2.0.2.0 and later
Information in this document applies to any platform.

Symptoms

JBOSS application using JDBC 11.2.0.2  reports "unable to open connection to the database" error messages. Below is a timeline of the events :

1. All systems were green
2. Application threads backed-up and the application rapidly started spawning connections to the database.
3. After reaching a max threshold of connections in the pool, the following errors are seen:


Caused by: org.hibernate.exception.GenericJDBCException: Could not open connection
Caused by: java.sql.SQLException: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/myds
Caused by: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/myds
Caused by: javax.resource.ResourceException: IJ000655: No managed connections available within configured blocking timeout (30000 [ms])




Changes

 

Cause

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