为了构建 spark 项目，我尝试使用 sbt。出现以下异常：
java.io.IOException: No locks available
at sun.nio.ch.FileChannelImpl.lock0(Native Method)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:871)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:88)
at xsbt.boot.Locks$GlobalLock.xsbt$boot$Locks$GlobalLock$$withChannelRetries$1(Locks.scala:81)
at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:102)
at xsbt.boot.Using$.withResource(Using.scala:11)
at xsbt.boot.Using$.apply(Using.scala:10)
at xsbt.boot.Locks$GlobalLock.ignoringDeadlockAvoided(Locks.scala:62)
at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:52)
at xsbt.boot.Locks$.apply0(Locks.scala:31)
at xsbt.boot.Locks$.apply(Locks.scala:28)
at xsbt.boot.Update.apply(Update.scala:100)
at xsbt.boot.Launch.update(Launch.scala:279)
at xsbt.boot.Launch.xsbt$boot$Launch$$retrieve$1(Launch.scala:149)
at xsbt.boot.Launch$$anonfun$3.apply(Launch.scala:157)
at scala.Option.getOrElse(Option.scala:120)
at xsbt.boot.Launch.xsbt$boot$Launch$$getAppProvider0(Launch.scala:157)
at xsbt.boot.Launch$$anon$2.call(Launch.scala:142)
at xsbt.boot.Locks$GlobalLock.withChannel$1(Locks.scala:98)
at xsbt.boot.Locks$GlobalLock.xsbt$boot$Locks$GlobalLock$$withChannelRetries$1(Locks.scala:81)
at xsbt.boot.Locks$GlobalLock$$anonfun$withFileLock$1.apply(Locks.scala:102)
at xsbt.boot.Using$.withResource(Using.scala:11)
at xsbt.boot.Using$.apply(Using.scala:10)
at xsbt.boot.Locks$GlobalLock.ignoringDeadlockAvoided(Locks.scala:62)
at xsbt.boot.Locks$GlobalLock.withLock(Locks.scala:52)
at xsbt.boot.Locks$.apply0(Locks.scala:31)
at xsbt.boot.Locks$.apply(Locks.scala:28)
at xsbt.boot.Launch.locked(Launch.scala:178)
at xsbt.boot.Launch.app(Launch.scala:93)
at xsbt.boot.Launch.app(Launch.scala:91)
at xsbt.boot.Launch$.run(Launch.scala:51)
at xsbt.boot.Launch$$anonfun$explicit$1.apply(Launch.scala:45)
at xsbt.boot.Launch$.launch(Launch.scala:65)
at xsbt.boot.Launch$.apply(Launch.scala:16)
at …