An attempt to connect with the database has failed. (J2EE application = aa....aa, context root = bb....bb, DB Connector = cc....cc, exception = dd....dd)

aa....aa: J2EE application name
bb....bb: Context root name
cc....cc: Optional name of the DB Connector
dd....dd: Information about the exception that has occurred

Description

An attempt to establish a connection to the database has failed.

Action

Make sure that the database is operating properly, and no problem has occurred in the communication path between the database and J2EE server.

If an error occurs in the database, take action against the cause according to the procedure for database recovery.

If a problem occurs in the communication path between the database and J2EE server, solve the problem of the communication path. If a problem occurs in the communication path, the exclusion in the database might not have been released. Before restarting a business, check the invalid connections, and release the unreleased exclusion.

If no problem exists in the database and communication path, check if the settings of the timeout period of the DB Connector connection are correct.

If a short timeout period is set up for the connection, a timeout might occur before the completion of the recovery process, when an error occurs in the database.

Tune the parameters of the DB Connector after considering the recovery period of the database.