The following error appears many times in the server.log and the database (with a 2000 connection limit) is running out of connections:
... IJ000604: Throwable while attempting to get a new connection: null: javax.resource.ResourceException: Could not create connection ... Caused by: oracle.net.ns.NetException: Listener refused the connection with the following error: ORA-12520, TNS:listener could not find available handler for requested type of server at oracle.net.ns.NSProtocol.connect(NSProtocol.java:395) [ojdbc6-126.96.36.199.jar:188.8.131.52.0] at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1102) [ojdbc6-184.108.40.206.jar:220.127.116.11.0] at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:320) [ojdbc6-18.104.22.168.jar:22.214.171.124.0] ...
- Red Hat JBoss Enterprise Application Platform (EAP)
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