Unable to get managed connection Errors from JBOSS Application
(Doc ID 2294601.1)
Last updated on AUGUST 02, 2019
Applies to:JDBC - Version 188.8.131.52.0 and later
Information in this document applies to any platform.
JBOSS application using JDBC 184.108.40.206 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:/<DATASOURCE NAME>
Caused by: javax.resource.ResourceException: IJ000453: Unable to get managed connection for java:/<DATASOURCE NAME>
Caused by: javax.resource.ResourceException: IJ000655: No managed connections available within configured blocking timeout (30000 [ms])
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document