我正在使用 Scala 2.9.2。
运行 Scala 并测试一个简单的代码,这段代码是…… OK:
...
val title = "Hashing file (%s)..." format sizeToStr(file.length)
但是我不明白什么是什么,当我将该代码放入一个简单的应用程序中时,编译OK,在运行时它会抛出这个:
java.lang.NoSuchMethodError: scala.Predef$.augmentString(Ljava/lang/String;)Lscala/collection/immutable/StringOps;
at group.pals.penguin.app.shasher.Shasher$.calcHash(shasher.scala:119)
at group.pals.penguin.app.shasher.Shasher$.main(shasher.scala:76)
at group.pals.penguin.app.shasher.Shasher.main(shasher.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at scala.tools.nsc.util.ScalaClassLoader$$anonfun$run$1.apply(ScalaClassLoader.scala:71)
at scala.tools.nsc.util.ScalaClassLoader$class.asContext(ScalaClassLoader.scala:31)
at scala.tools.nsc.util.ScalaClassLoader$URLClassLoader.asContext(ScalaClassLoader.scala:139)
at scala.tools.nsc.util.ScalaClassLoader$class.run(ScalaClassLoader.scala:71)
at scala.tools.nsc.util.ScalaClassLoader$URLClassLoader.run(ScalaClassLoader.scala:139)
at scala.tools.nsc.CommonRunner$class.run(ObjectRunner.scala:28)
at scala.tools.nsc.JarRunner$.run(MainGenericRunner.scala:16)
at scala.tools.nsc.CommonRunner$class.runAndCatch(ObjectRunner.scala:35)
at scala.tools.nsc.JarRunner$.runAndCatch(MainGenericRunner.scala:16)
at scala.tools.nsc.JarRunner$.runJar(MainGenericRunner.scala:28)
at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:78)
at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:96)
at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:105)
at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)
你能帮帮我吗?谢谢。