Proxy example does not work on 2.1.5

[smiklosovic]

SEVERE: Exception in Java verticle
java.nio.channels.ClosedChannelException
at org.vertx.java.core.http.impl.ClientConnection$2.handle(ClientConnection.java:256)
at org.vertx.java.core.http.impl.ClientConnection$2.handle(ClientConnection.java:246)
at org.vertx.java.core.net.impl.ConnectionBase.handleClosed(ConnectionBase.java:137)
at org.vertx.java.core.http.impl.ClientConnection.handleClosed(ClientConnection.java:367)
at org.vertx.java.core.net.impl.VertxHandler$3.run(VertxHandler.java:120)
at org.vertx.java.core.impl.DefaultContext$3.run(DefaultContext.java:175)
at org.vertx.java.core.impl.DefaultContext.execute(DefaultContext.java:135)
at org.vertx.java.core.net.impl.VertxHandler.channelInactive(VertxHandler.java:118)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219)
at io.netty.handler.codec.ReplayingDecoder.channelInactive(ReplayingDecoder.java:348)
at io.netty.handler.codec.http.HttpClientCodec$Decoder.channelInactive(HttpClientCodec.java:212)
at io.netty.channel.CombinedChannelDuplexHandler.channelInactive(CombinedChannelDuplexHandler.java:133)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:233)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:219)
at io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:769)
at io.netty.channel.AbstractChannel$AbstractUnsafe$5.run(AbstractChannel.java:568)
at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:370)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:357)
at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
at java.lang.Thread.run(Thread.java:745)