infinite loop in the wrapping code of HelpFormatter
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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: 1.3
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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