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https://issues.apache.org/jira/browse/CLI-170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Yandell closed CLI-170.
-----------------------------
Resolution: Fixed
svn ci -m "Applying my patch from CLI-170 - TypeHandler prints messages to
stderr. It doesn't change the default behaviour, but it does provide a new
method which maybe called to not get the stderr output and instead get a
checked exception thrown. "
Sending src/java/org/apache/commons/cli/CommandLine.java
Sending src/java/org/apache/commons/cli/TypeHandler.java
Transmitting file data ..
Committed revision 735247.
> TypeHandler prints messages to stderr
> -------------------------------------
>
> Key: CLI-170
> URL: https://issues.apache.org/jira/browse/CLI-170
> Project: Commons CLI
> Issue Type: Improvement
> Components: Validation
> Affects Versions: 1.1
> Reporter: J. Lewis Muir
> Priority: Minor
> Fix For: 1.2
>
> Attachments: CLI-170.patch, remove-messages-to-stderr.patch
>
>
> Certain methods in {{TypeHandler}} print a message to stderr when they are
> unable to create the object they are to return. I don't think this should
> be. The documentation for each method clearly states that if it is unable to
> create the object, it returns {{null}}. If more information should be
> reported to the caller, these methods should be changed to throw an
> exception. I've removed the printing of these messages from {{TypeHandler}}.
> This fix also makes the unit test output clean. Right now, certain test
> cases exercise the "returns {{null}}" behavior of some of the {{TypeHandler}}
> methods, and this causes various error messages to be written to stderr which
> makes the test case output look unclean and like something has gone wrong
> when in fact everything is working correctly.
> Attached is a patch for this fix. The patch is against
> [http://svn.apache.org/repos/asf/commons/proper/cli/branches/cli-1.x].
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