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Asked: 2026-06-01T09:04:31+00:00

Today building platforms is extremely quick with JPA, Guice, JSR 303 bean validation. It’s

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Today building platforms is extremely quick with JPA, Guice, JSR 303 bean validation. It’s rather easy to whip something up.

Let’s say I was using Guice and I had a poller process as a singleton within a cluster of JVM machines. How could I easily make it so

  1. when the cluster started up(3 machines), that only one started the singleton up
  2. When the machine with the running singleton failed, one of the other machines started up the singleton

This can’t be too hard with today’s libraries out there, right? The more I look, I think jgroups is the answer but would like to hear from others(Jboss uses jgroups from what I have seen so far).

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  1. Editorial Team

    I would go for hazelcast and distributed locking, have a look at Hazelcast and Singleton.

    Probably terracotta can do the trick as well.

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