getting loads of error when ramping more user. is this something to do with gatling configuration or server issue ?
10:39:43.720 [DEBUG] i.g.h.a.AsyncHandler - Request ‘TX02_Login_SubmitLogin’ failed for user 36
io.netty.channel.ConnectTimeoutException: connection timed out: XXXXXXXXXXX/XXXXXXXX:443
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe$1.run(AbstractNioChannel.java:218)
… 7 common frames omitted
Wrapped by: java.net.ConnectException: connection timed out: XXXXXXXXXXX/XXXXXXXX:443
at org.asynchttpclient.netty.channel.NettyConnectListener.onFailure(NettyConnectListener.java:168)
at org.asynchttpclient.netty.request.NettyChannelConnector$1.onFailure(NettyChannelConnector.java:103)
at org.asynchttpclient.netty.SimpleChannelFutureListener.operationComplete(SimpleChannelFutureListener.java:28)
at org.asynchttpclient.netty.SimpleChannelFutureListener.operationComplete(SimpleChannelFutureListener.java:20)
at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:507)
at io.netty.util.concurrent.DefaultPromise.notifyListeners0(DefaultPromise.java:500)
at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:479)
at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:420)
at io.netty.util.concurrent.DefaultPromise.tryFailure(DefaultPromise.java:122)
at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe$1.run(AbstractNioChannel.java:220)
at io.netty.util.concurrent.PromiseTask$RunnableAdapter.call(PromiseTask.java:38)
at io.netty.util.concurrent.ScheduledFutureTask.run(ScheduledFutureTask.java:120)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:399)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:464)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:131)
at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:138)
at java.lang.Thread.run(Thread.java:748)
10:39:43.720 [WARN ] i.g.h.a.ResponseProcessor - Request ‘TX02_Login_SubmitLogin’ failed: j.n.ConnectException: connection timed out: XXXXXXXXXXX/XXXXXXXX:443