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From "Gary Gregory (JIRA)" <j...@apache.org>
Subject [jira] Reopened: (CLI-162) infinite loop in the wrapping code of HelpFormatter
Date Tue, 10 Feb 2009 04:48:59 GMT

     [ https://issues.apache.org/jira/browse/CLI-162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Gregory reopened CLI-162:
------------------------------


Committed new test in BugCLI162Test. The class BugCLI162Test is not invoked during a Maven
build BTW.

> infinite loop in the wrapping code of HelpFormatter
> ---------------------------------------------------
>
>                 Key: CLI-162
>                 URL: https://issues.apache.org/jira/browse/CLI-162
>             Project: Commons CLI
>          Issue Type: Bug
>          Components: Help formatter
>    Affects Versions: 1.1
>            Reporter: Emmanuel Bourg
>             Fix For: 1.2
>
>
> If there is not enough space to display a word on a single line, HelpFormatter goes into
a infinite loops until the JVM crashes with an OutOfMemoryError.
> Test case:
> {code}
> Options options = new Options();
> options.addOption("h", "help", false, "This is a looooong description");
> HelpFormatter formatter = new HelpFormatter();
> formatter.setWidth(20);
> formatter.printHelp("app", options); // hang & crash
> {code}
> An helpful exception indicating the insufficient width would be more appropriate than
an OutOfMemoryError.

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