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) [ojdbc6-220.127.116.11.jar:18.104.22.168.0] at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1102) [ojdbc6-22.214.171.124.jar:126.96.36.199.0] at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:320) [ojdbc6-188.8.131.52.jar:184.108.40.206.0] ...
- Red Hat JBoss Enterprise Application Platform (EAP)
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.