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via Google Groups by Yves Peckstadt, 1 year ago
io.vertx.core.VertxException: Thread blocked	at java.lang.Object.hashCode(Native Method)	at java.util.concurrent.ConcurrentHashMap.putVal(	at java.util.concurrent.ConcurrentHashMap.put(	at io.vertx.core.impl.ConcurrentHashSet.add(	at io.vertx.core.impl.ContextImpl.addCloseHook(