newbie questions

I am able to set breakpoints in jswat, but for some reason it can't
access local variables & I'm not sure what I'm doing wrong. Also in
the following program, System.console() returned null; the program
runs fine running java standalone or by attaching jswat to a
jswat-enabled java process. (this is from one of the standard java
tutorials on regexps)

package test.regexp;

import java.io.Console;
import java.util.regex.Pattern;
import java.util.regex.Matcher;

public class test1 {

    public static void main(String[] args){
        Console console = System.console();
        if (console == null) {
            System.err.println("No console.");
            System.exit(1);
        }
        while (true) {

            Pattern pattern =
            Pattern.compile(console.readLine("%nEnter your regex: "));

            Matcher matcher =
            pattern.matcher(console.readLine("Enter input string to search: "));

            boolean found = false;
            while (matcher.find()) {
                console.format("I found the text \"%s\" starting at " +
                   "index %d and ending at index %d.%n",
                    matcher.group(), matcher.start(), matcher.end());
                found = true;
            }
            if(!found){
                console.format("No match found.%n");
            }
        }
    }
}

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