lamina.core.graph.propagator: error in aleph.http.core/expand-writes
java.lang.NullPointerException
	at clojure.lang.RT.intCast(RT.java:1065)
	at aleph.http.core$ring_map__GT_netty_response.invoke(core.clj:341)
	at aleph.http.core$expand_writes$fn__822.invoke(core.clj:177)
	at lamina.core.graph.propagator$bridge_join$fn__2582.invoke(propagator.clj:162)
	at lamina.core.graph.propagator.BridgePropagator.propagate(propagator.clj:57)
	at lamina.core.graph.node.Node.propagate(node.clj:273)
	at lamina.core.channel.SplicedChannel.enqueue(channel.clj:102)
	at lamina.core$enqueue.invoke(core.clj:101)
	at lamina.connections$server_generator$fn$reify__1818$fn__1826.invoke(connections.clj:351)
	at lamina.connections$server_generator$fn$reify__1818.run(connections.clj:351)
	at lamina.core.pipeline$resume_pipeline.invoke(pipeline.clj:58)
	at lamina.core.pipeline$subscribe$fn__3262.invoke(pipeline.clj:113)
	at lamina.core.result.ResultChannel.success_BANG_(result.clj:276)
	at lamina.core.queue.EventQueue.enqueue(queue.clj:305)
	at lamina.core.graph.node.Node.propagate(node.clj:260)
	at lamina.core.graph.node.Node.propagate(node.clj:315)
	at lamina.core.channel.Channel.enqueue(channel.clj:55)
	at lamina.core$enqueue.invoke(core.clj:101)
	at aleph.http.core$collapse_reads$fn__916.invoke(core.clj:218)
	at lamina.core.graph.propagator$bridge_join$fn__2582.invoke(propagator.clj:162)
	at lamina.core.graph.propagator.BridgePropagator.propagate(propagator.clj:57)
	at lamina.core.graph.node.Node.propagate(node.clj:273)
	at lamina.core.channel.SplicedChannel.enqueue(channel.clj:102)
	at lamina.core$enqueue.invoke(core.clj:101)
	at aleph.netty.server$server_message_handler$reify__550.handleUpstream(server.clj:108)
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:792)
	at aleph.http.websocket$server_handshake_stage$reify__1028.handleUpstream(websocket.clj:124)
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:792)
	at org.jboss.netty.handler.codec.http.HttpContentEncoder.messageReceived(HttpContentEncoder.java:79)
	at org.jboss.netty.channel.SimpleChannelHandler.handleUpstream(SimpleChannelHandler.java:95)
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:792)
	at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:296)
	at org.jboss.netty.handler.codec.replay.ReplayingDecoder.unfoldAndFireMessageReceived(ReplayingDecoder.java:600)
	at org.jboss.netty.handler.codec.replay.ReplayingDecoder.callDecode(ReplayingDecoder.java:584)
	at org.jboss.netty.handler.codec.replay.ReplayingDecoder.messageReceived(ReplayingDecoder.java:445)
	at org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:75)
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:792)
	at aleph.netty.core$upstream_traffic_handler$reify__326.handleUpstream(core.clj:160)
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
	at org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:792)
	at aleph.netty.core$connection_handler$reify__320.handleUpstream(core.clj:150)
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
	at org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:559)
	at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:268)
	at org.jboss.netty.channel.Channels.fireMessageReceived(Channels.java:255)
	at org.jboss.netty.channel.socket.nio.NioWorker.read(NioWorker.java:94)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorker.processSelectedKeys(AbstractNioWorker.java:372)
	at org.jboss.netty.channel.socket.nio.AbstractNioWorker.run(AbstractNioWorker.java:246)
	at org.jboss.netty.channel.socket.nio.NioWorker.run(NioWorker.java:38)
	at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:102)
	at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at aleph.netty.core$cached_thread_executor$reify__286$fn__287.invoke(core.clj:67)
	at clojure.lang.AFn.run(AFn.java:24)
	at java.lang.Thread.run(Thread.java:662)