worker = (AbstractCachedAuthorityFactory) getPool().borrowObject();
value = (T) runner.run( worker );
} catch (FactoryException e) {
throw e;
} catch (Exception e) {
throw new FactoryException(e);
} finally {
try {
getPool().returnObject(worker);
} catch (Exception e) {
LOGGER.log(Level.WARNING, "Unable to return worker " + e, e);