Steve Loughran created HADOOP-11285:
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Summary: FileUtil operations don't check for native lib loaded on
windows; fails with NPE
Key: HADOOP-11285
URL: https://issues.apache.org/jira/browse/HADOOP-11285
Project: Hadoop Common
Issue Type: Bug
Components: util
Affects Versions: 2.6.0
Environment: windows
Reporter: Steve Loughran
On windows {{FileUtil.canRead()}} and the like requires the native APIs (at
least until a migration to java 7 APIs). The methods do not, however, call
{{NativeIO.isAvailable()}} to verify the native libs are there. As a result,
the calls fail with less useful stack traces.
if Java 7 allows all of these calls to be replaced, then this is a non-issue
If not, I propose some {{verifyAvailableOnWindows()}} method which triggers an
exception; one which includes some hints about the problem —perhaps a URL to a
wiki page on the topic
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