[jira] [Updated] (COLLECTIONS-516) NullPointerException in MapUtils.toProperties

["Cyrille Artho (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/COLLECTIONS-516?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Cyrille Artho updated COLLECTIONS-516:
--------------------------------------

    Attachment: Report4.java

A JUnit test to reproduce the issue.

> NullPointerException in MapUtils.toProperties
> ---------------------------------------------
>
>                 Key: COLLECTIONS-516
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-516
>             Project: Commons Collections
>          Issue Type: Bug
>          Components: Collection
>    Affects Versions: 4.0
>         Environment: Mac OS 10.9, Java 6
>            Reporter: Cyrille Artho
>         Attachments: Report4.java
>
>
> calling MapUtils.toProperties with a map having null entries results in a NullPointerException. In this case the Map has only entry <null, null>.
> However, javadoc states "A null input will return an empty
> properties object." so (1) this should be clarified as it would
> only apply to the map reference itself, not its contents, or (2)
> an empty property object should be generated for null entries in
> the map as well.



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