SystemOut.log reports the error:
Unable to get a PooledConnection from the DataSource.
What does this error indicate?

A.
eWAS is unable to connect to the database server.

B.
eWAS is unable to follow a relation in the database.

C.
eWAS is unable to connect to the IBM Tivoli Workload Scheduler engine.

D.
eWAS is unable to retrieve information about PooledConnection[s] from the database.