如何在Scala 2.8.0中解决java.nio.charset.UnmappableCharacterException? [英] How to resolve java.nio.charset.UnmappableCharacterException in Scala 2.8.0?
问题描述
我正在使用Scala 2.8.0并尝试读取管道分隔文件,如下面的代码所示:
I'm using Scala 2.8.0 and trying to read pipe delimited file like in code snipped below:
object Main {
def main(args: Array[String]) :Unit = {
if (args.length > 0) {
val lines = scala.io.Source.fromPath("QUICK!LRU-2009-11-15.psv")
for (line <-lines)
print(line)
}
}
}
这里是错误:
线程 main中的异常 java.nio.charset.UnmappableCharacterException:输入长度= 1
,位于java.nio.charset.CoderResult.throwException(CoderResult.java:261)
,位于sun.nio.cs.StreamDecoder.implRead(StreamDecoder .java:319)sun.nio.cs.StreamDecoder.read(StreamDecoder.java:158)
java.io.InputStreamReader.read(InputStreamReader.java:167)
java.io.BufferedReader.fill(BufferedReader.java:136)
在java.io.BufferedReader.read(BufferedReader.java:157)
在scala.io.B ufferedSource $$ anonfun $ 1 $$ anonfun $ apply $ 1.apply(BufferedSource.scala:29)
at scala.io.BufferedSource $$ anonfun $ 1 $$ anonfun $ apply $ 1.apply(BufferedSource.scala:29)
在scala.io.Codec.wrap(Codec.scala:65)
在scala.io.BufferedSource $$ anonfun $ 1.apply(BufferedSource.scala:29)
在scala.io。 BufferedSource $$ anonfun $ 1.apply(scaledSource.scala:29)
在scala.collection.Iterator $$ anon $ 14.next(Iterator.scala:149)
在scala.collection.Iterator $$ anon $ 2.next(Iterator.scala:745)
在scala.collection.Iterator $$ anon $ 2.head(Iterator.scala:732)
在scala.collection.Iterator $$ anon $ 24.hasNext( Iterator.scala:405)
在scala.collection.Iterator $$ anon $ 20.hasNext(Iterator.scala:320)
在scala.io.Source.hasNext(Source.scala:209)
在scala.collection.Iterator $ class.foreach(Iterator.scala:534)
在scala.io.Source.foreach(Source.scala:143)
...
在infillreports.Main $ .main(Main.scala:8)
infillreports.Main.main(Main.scala)
Java结果:1
Exception in thread "main" java.nio.charset.UnmappableCharacterException: Input length = 1 at java.nio.charset.CoderResult.throwException(CoderResult.java:261) at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:319) at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:158) at java.io.InputStreamReader.read(InputStreamReader.java:167) at java.io.BufferedReader.fill(BufferedReader.java:136) at java.io.BufferedReader.read(BufferedReader.java:157) at scala.io.BufferedSource$$anonfun$1$$anonfun$apply$1.apply(BufferedSource.scala:29) at scala.io.BufferedSource$$anonfun$1$$anonfun$apply$1.apply(BufferedSource.scala:29) at scala.io.Codec.wrap(Codec.scala:65) at scala.io.BufferedSource$$anonfun$1.apply(BufferedSource.scala:29) at scala.io.BufferedSource$$anonfun$1.apply(BufferedSource.scala:29) at scala.collection.Iterator$$anon$14.next(Iterator.scala:149) at scala.collection.Iterator$$anon$2.next(Iterator.scala:745) at scala.collection.Iterator$$anon$2.head(Iterator.scala:732) at scala.collection.Iterator$$anon$24.hasNext(Iterator.scala:405) at scala.collection.Iterator$$anon$20.hasNext(Iterator.scala:320) at scala.io.Source.hasNext(Source.scala:209) at scala.collection.Iterator$class.foreach(Iterator.scala:534) at scala.io.Source.foreach(Source.scala:143) ... at infillreports.Main$.main(Main.scala:8) at infillreports.Main.main(Main.scala) Java Result: 1
推荐答案
object Main {
def main(args: Array[String]) :Unit = {
if (args.length > 0) {
val lines = scala.io.Source.fromPath("QUICK!LRU-2009-11-15.psv")("UTF-8")
for (line <-lines)
print(line)
}
}
}
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