[06 Jun 2016 13:02:35,198][WARN ][DefaultPromise,collectedRequestDisruptor73689328] - An exception was thrown by org.asynchttpclient.netty.request.NettyRequestSender$1.operationComplete()
java.lang.NullPointerException: timeoutsHolder
    at org.asynchttpclient.util.Assertions.assertNotNull(Assertions.java:23)
    at org.asynchttpclient.netty.request.NettyChannelConnector.<init>(NettyChannelConnector.java:54)
    at org.asynchttpclient.netty.request.NettyRequestSender$1.onSuccess(NettyRequestSender.java:281)
    at org.asynchttpclient.netty.request.NettyRequestSender$1.onSuccess(NettyRequestSender.java:276)
    at org.asynchttpclient.netty.SimpleFutureListener.operationComplete(SimpleFutureListener.java:24)
    at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:683)
    at io.netty.util.concurrent.DefaultPromise.notifyLateListener(DefaultPromise.java:624)
    at io.netty.util.concurrent.DefaultPromise.addListener(DefaultPromise.java:139)
    at io.netty.util.concurrent.DefaultPromise.addListener(DefaultPromise.java:33)
    at org.asynchttpclient.netty.request.NettyRequestSender.sendRequestWithNewChannel(NettyRequestSender.java:276)
    at org.asynchttpclient.netty.request.NettyRequestSender.sendRequestWithCertainForceConnect(NettyRequestSender.java:136)
    at org.asynchttpclient.netty.request.NettyRequestSender.sendRequest(NettyRequestSender.java:107)
    at org.asynchttpclient.DefaultAsyncHttpClient.execute(DefaultAsyncHttpClient.java:220)
    at org.asynchttpclient.DefaultAsyncHttpClient.executeRequest(DefaultAsyncHttpClient.java:188)
    at org.asynchttpclient.BoundRequestBuilder.execute(BoundRequestBuilder.java:35)
        ...