@Test public void testHazelcast() { Lock lock = Hazelcast.getLock("hasNext-4fe5683403642e0674728d09-na"); System.out.println("TRY TO GET LOCK"); lock.lock(); try { System.out.println("GOT LOCK"); Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } finally { System.out.println("UNLOCKED LOCK"); lock.unlock(); } }