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https://issues.apache.org/jira/browse/NIFI-3454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Koji Kawamura resolved NIFI-3454.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 1.2.0

> Tests should consistently use the FileNameFilter when reading file names from 
> directories
> -----------------------------------------------------------------------------------------
>
>                 Key: NIFI-3454
>                 URL: https://issues.apache.org/jira/browse/NIFI-3454
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Tools and Build
>    Affects Versions: 1.1.1
>         Environment: Mac OS X ( any version )  Java 1.8.0_31  Maven 3.3.9
>            Reporter: Otto Fowler
>             Fix For: 1.2.0
>
>
> DS_Store files [https://en.wikipedia.org/wiki/.DS_Store]  may be present in 
> any directory on Mac OS X. 
> Any call made to getURLsForClasspath  or getCustomClassLoader passing 
> directories an not paths to jars for modules will return these files as urls 
> unless they are specifically filtered out using the FileNameFilter parameter.
> The FileNameFilter parameter to these functions can be used to protect 
> against this, and be sure the URL's returned are for the expected items.  In 
> fact there is a function  getJarFilenameFilter in the TestClassloaderUtils 
> already, that is used by the getCustomClassloader tests.
> This function should be used in all of the tests that pass in directories and 
> not paths that are to jar files.  Without it, NiFi builds that enable tests 
> will fail on Mac OS X if .DS_Store files exist in the testing directory.
> This problem also effects TestIdentifyMimeType.java, where it is doing a 
> directory listing, and should ignore "." files.
>         



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