下载 netty-codec-4.0.34.Final.jar 的时候 NullPointerException

[1178615156]

test :
wget http://127.0.0.1:8078/io/netty/netty-codec/4.0.34.Final/netty-codec-4.0.34.Final.jar

这是错误log

java.lang.NullPointerException: null
    at io.undertow.server.handlers.resource.PathResource$1ServerTask.run(PathResource.java:147)
    at io.undertow.server.handlers.resource.PathResource.serveImpl(PathResource.java:247)
    at io.undertow.server.handlers.resource.PathResource.serveRange(PathResource.java:109)
    at io.undertow.server.handlers.resource.ResourceHandler$1.handleRequest(ResourceHandler.java:297)
    at io.undertow.server.handlers.resource.ResourceHandler.serveResource(ResourceHandler.java:306)
    at io.undertow.server.handlers.resource.ResourceHandler.handleRequest(ResourceHandler.java:121)
    at com.gtan.repox.HttpHelpers$class.sendFile(HttpHelpers.scala:31)
    at com.gtan.repox.Repox$.sendFile(Repox.scala:21)
    at com.gtan.repox.HttpHelpers$class.immediateFile(HttpHelpers.scala:36)
    at com.gtan.repox.Repox$.immediateFile(Repox.scala:21)
    at com.gtan.repox.RequestQueueMaster$$anonfun$started$1$$anonfun$applyOrElse$7.apply(RequestQueueMaster.scala:102)
    at com.gtan.repox.RequestQueueMaster$$anonfun$started$1$$anonfun$applyOrElse$7.apply(RequestQueueMaster.scala:95)
    at scala.util.Success.foreach(Try.scala:236)
    at com.gtan.repox.RequestQueueMaster$$anonfun$started$1.applyOrElse(RequestQueueMaster.scala:95)
    at akka.actor.Actor$class.aroundReceive(Actor.scala:484)
    at com.gtan.repox.RequestQueueMaster.aroundReceive(RequestQueueMaster.scala:33)
    at akka.actor.ActorCell.receiveMessage(ActorCell.scala:526)
    at akka.actor.ActorCell.invoke(ActorCell.scala:495)
    at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:257)
    at akka.dispatch.Mailbox.run(Mailbox.scala:224)
    at akka.dispatch.Mailbox.exec(Mailbox.scala:234)
    at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
    at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
    at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
    at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)