EJB Specs page 413
If the Bean Provider provides a value for an environment entry using the env-entry-value element,
the value can be changed later by the Application Assembler or Deployer.
The value must be a
string that is valid for the constructor of the specified type that takes a single String parameter, or for java.lang.Character, a single character.
sawan
SCJP,SCWCD,SCBCD