Cause
All available public servers are servicing requests that require resources locked by a client which is unable to get a public server to release the resources.
All available public servers are servicing requests that require resources locked by a client which is unable to get a public server to release the resources.
Increase the limit for the system parameter MAX_SHARED_SERVERS as the system will automaticaly start up new servers to break the deadlock until the number of servers reaches the value specified in MAX_SHARED_SERVERS.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
http://docs.oracle.com/cd/E16655_01/timesten.121/e21636/awt_trouble.htm
https://community.oracle.com/message/3563978
https://community.oracle.com/message/1783737
https://community.oracle.com/message/1228927
https://community.oracle.com/message/1742100
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