private void createMessageBeanPool(EjbMessageBeanDescriptor descriptor) {
beanPoolDesc_ = descriptor.getIASEjbExtraDescriptors().getBeanPool();
if (beanPoolDesc_ == null) {
beanPoolDesc_ = new BeanPoolDescriptor();
}
MdbContainer mdbc = ejbContainerUtilImpl.getServices()
.<Config>getService(Config.class, ServerEnvironment.DEFAULT_INSTANCE_NAME).getExtensionByType(MdbContainer.class);
int maxPoolSize = beanPoolDesc_.getMaxPoolSize();