env.put(JNDIPooledSource.MIN_POOL_SIZE, "2");
env.put(JNDIPooledSource.MAX_POOL_SIZE, "1");
/* create source */
JNDIPooledSource src = new JNDIPooledSource();
/* configure source */
src.addParameters(env);
/* create mapper */
try {
src.start(env);
fail("maximum pool size incorrect: should have thrown exception");
} catch (MapperConfigurationException e) {