Getting java.lang.ArrayIndexOutOfBoundsException: -32768 when using openStream
method in the URL class to open an input stream that points to a directory and
the locale is ko. If the locale is set to ko_KR, ja, or zh then no error is
generated for the call.

Here is the result of the stack trace:
java.lang.ArrayIndexOutOfBoundsException: -32768
        at java.text.CompactIntArray.compact(CompactIntArray.java:188)
        at java.text.RuleBasedCollator.build(RuleBasedCollator.java:546)
        at java.text.RuleBasedCollator.<init>(RuleBasedCollator.java:278)
        at java.text.Collator.getInstance(Collator.java:232)
        at java.text.Collator.getInstance(Collator.java:198)
        at sun.net.www.protocol.file.StringCompare.&lt;init&gt;(FileURLConnection.java
:186)
        at sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection
.java:79)
        at sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLCon
nection.java:170)
        at java.net.URL.openStream(URL.java)
        at Demo.main(Demo.java:8)

Instructions to reproduce the problem:
1. Use a system that has the Asian locales installed
2. set LANG to "ko"
3. javac Demo.java
4. java Demo

Source code for Demo.java:
import java.io.InputStream;
import java.net.URL;

public class Demo {
    public static void main( String[] args ) {
try {
URL url = new URL( "file:/tmp/" );
InputStream ins = url.openStream();
ins.close();
}
catch ( Exception e ) {
e.printStackTrace();
}
    }
}