/** {@inheritDoc} */ @Override public void close() { closed = true; U.closeQuiet(srvSock); if (gcWorker != null) { U.cancel(gcWorker); // This method may be called from already interrupted thread. // Need to ensure cleaning on close. boolean interrupted = Thread.interrupted(); try { U.join(gcWorker); } catch (IgniteInterruptedCheckedException e) { U.warn(log, "Interrupted when stopping GC worker.", e); } finally { if (interrupted) Thread.currentThread().interrupt(); } } }