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http://issues.apache.org/bugzilla/show_bug.cgi?id=28005

Infinite Loop in Command-Line processing

           Summary: Infinite Loop in Command-Line processing
           Product: Commons
           Version: 2.0 Alpha 1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Major
          Priority: Other
         Component: CLI
        AssignedTo: [EMAIL PROTECTED]
        ReportedBy: [EMAIL PROTECTED]


In some cases, CLI-2 hangs in an infinite loop. I've created the following Group:

-- snip --
Option inputFormatOption = optionBuilder.withLongName("input-format")
        .create();
Argument argument = argumentBuilder.withName("file")
        .create();
Group children = groupBuilder.withName("options")
        .withOption(inputFormatOption)
        .create();
Command command = commandBuilder.withName("convert")
        .withChildren(children)
        .withArgument(argument)
        .create();
Group root = groupBuilder.withName("commands")
        .withOption(createConvertCommand())
        .create();
-- snip --

When I use the group:
--snip--
Parser parser = new Parser();
parser.setGroup(root);
parser.parse(args);
-- snip

and use the following command line:
convert test.txt --input-format a

the parser hangs in an infinite loop.

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