Unable to get a connection for pool - ResourceUnavailableException

Question

Hi
I have a BPEL process which starts a child instance of another asynchronous BPEL process for each message in an XML file. The child BPEL process makes a call to the Oracle Apps JCA Adapter to push the data into E-Business Suite.
All works perfectly except when the number of messages exceeds a certain limit (15 or so). The error received is as follows:
"Exception occured when binding was invoked.
Exception occured during invocation of JCA binding: "JCA Binding execute of Reference operation 'SyncPersonRecord' failed due to:
JCA Binding Component connection issue. JCA Binding Component is unable to create an outbound JCA (CCI) connection.
ebsPeoplesoftEmployees:SyncPersonRecord [ SyncPersonRecord_ptt::SyncPersonRecord(InputParameters,OutputParameters) ] :
The JCA Binding Component was unable to establish an outbound JCA CCI connection due to the following issue:
javax.resource.spi.ApplicationServerInternalException:
Unable to get a connection for pool = 'eis/Apps/Apps',
weblogic.common.resourcepool.ResourceUnavailableException:
No resources currently available in pool eis/Apps/Apps to allocate to applications.
Either specify a time period to wait for resources to become available, or increase the size of the pool and retry.. Please make sure that the JCA connection factory and any dependent connection factories have been configured with a sufficient limit for max connections.
Please also make sure that the physical connection to the backend EIS is available and the backend itself is accepting connections. ".
The invoked JCA adapter raised a resource exception.
Please examine the above error message carefully to determine a resolution."
Obviously what is happening is the connection pool maximum is reached (currently 15) and this is throwing the error.
What I need to do is to implement the suggestion of "specifying a time period to wait" and I was hoping someone could tell me how I do this?
I have tried setting the 'Connection Creation Retry Frequency' parameter to 30 seconds which made no difference and also have checked the documentation on "Configuring and Managing JDBC Data Sources for Oracle WebLogic Server".
Does anyone know if this is something that is implemented directly in the BPEL process/composite or in the connection source itself.
Many thanks

Answer 1

Open the jndi : eis/Apps/Apps in /console - config tab - increase the initial and max conn capacity and save it. Retry the scenario