Error Message : No idle connection was found to get from pool

Products

• CA Rapid App Security
• CA Advanced Authentication

Issue/Introduction

Internal Errors can be observed in backednd arcotadmin.log after any operation on the Admin is attempted.  Admin UI will also show an "Internal Error" for almost any operation on the Admin UI. 

========== Excerpt from the back end arcotadmin.log ======================
Operation=getAvailableConfigNamess 
2018-08-24 20:57:47,325 UTC : [ajp-nio-8009-exec-3] : INFO : framework.utils.TxIdGenerator : [N/A] : [N/A] : [N/A] : [Arcot Admin Console] : [Admin Console] : [N/A] : Transaction ID = 57 
2018-08-24 20:57:47,331 UTC : [ajp-nio-8009-exec-3] : INFO :
admin.managers.RiskFortResourcePackTxnLogger : Txn-End : TxnID=INTERNALERROR| Time=6 
2018-08-24 20:57:47,331 UTC : [ajp-nio-8009-exec-3] : INFO : admin.managers.RiskFortResourcePackTxnLogger : Txn-End : TxnID=INTERNALERROR| Time=6 
2018-08-24 20:57:47,331 UTC : [ajp-nio-8009-exec-3] : ERROR : managers.wswrapper.RFAdminSvcWrapper : Error Message : No idle connection was found to get from pool 
2018-08-24 20:57:47,331 UTC : [ajp-nio-8009-exec-3] : ERROR : managers.wswrapper.RFAdminSvcWrapper : Error Message : No idle connection was found to get from pool 
2018-08-24 20:57:47,331 UTC : [ajp-nio-8009-exec-3] : ERROR : managers.wswrapper.RFAdminSvcWrapper : Unable to connect to remote server 
2018-08-24 20:57:47,331 UTC : [ajp-nio-8009-exec-3] : ERROR : managers.wswrapper.RFAdminSvcWrapper : Unable to connect to remote server 
=========================== End of Excerpt ================================

Cause

The issue is the Database Server is our of space.  Please log into the DB Server  and check the space. One will notice that there is no unused space on the server for the server to be able to furnish and request. 

Environment

Riskminder and Authminder Servers related Database Server. 

Resolution

Please have DBA allocate more space on the DB server or backup the current Database and move to server allowing sufficient space for AA servers to function. 

Additional Information

None.