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io.netty.util.concurrent.BlockingOperationException: DefaultPromise@357ccd6b(incomplete) at io.netty.util.concurrent.DefaultPromise.checkDeadLock( at io.netty.util.concurrent.DefaultPromise.awaitUninterruptibly( at mousio.client.promises.ResponsePromise.waitForPromiseSuccess( at mousio.etcd4j.promises.EtcdResponsePromise.get(