格式化一个简单的字符串,但是`java.lang.NoSuchMethodError` [英] Formatting a simple string, but `java.lang.NoSuchMethodError`
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问题描述
我使用的是 Scala 2.9.2.
I'm using Scala 2.9.2.
运行 Scala 并测试一个简单的代码,这段代码是……好的:
Run Scala and test a simple code, this code is… OK:
...
val title = "Hashing file (%s)..." format sizeToStr(file.length)
但我不明白什么是什么,当我把那个代码放到一个简单的应用程序中,编译 OK,在运行时它抛出这个:
But I couldn't understand what is what, while I put that code into a simple app, compiling OK, at runtime it throws this one:
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)
能帮帮我吗?谢谢.
推荐答案
您似乎正在针对与运行时使用的标准库版本不同的标准库进行编译.
It seems like you're compiling against a different version of the standard library than you're using at runtime.
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