[jira] [Commented] (NIFI-3579) Nifi Failed to Start: nio Files.getFileStore(Path) is buggy in Windows

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-3579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15902535#comment-15902535 ] 

ASF GitHub Bot commented on NIFI-3579:
--------------------------------------

GitHub user PuspenduBanerjee opened a pull request:

    https://github.com/apache/nifi/pull/1580

    Fix for Windows FileStore issue NIFI-3579

    this fixes NIFI-3579.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/PuspenduBanerjee/nifi NIFI-3579

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/nifi/pull/1580.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1580
    
----
commit 52877c0fee7479824bf6189d89818bfef919e6cc
Author: Puspendu Banerjee <pu...@gmail.com>
Date:   2017-03-09T05:26:43Z

    Fix for Windows FileStore issue NiFi-3579

----


> Nifi Failed to Start: nio Files.getFileStore(Path) is buggy in Windows
> ----------------------------------------------------------------------
>
>                 Key: NIFI-3579
>                 URL: https://issues.apache.org/jira/browse/NIFI-3579
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>    Affects Versions: 1.2.0, 1.1.1
>         Environment: Win 10 with Oracle JDK 1.8.0_121 on NTFS
>            Reporter: Puspendu Banerjee
>            Assignee: Puspendu Banerjee
>            Priority: Critical
>              Labels: windows
>
> Nifi is failing to start due to IOException originating from FileSystemRepository during calls to {code:java}
> Files.getFileStore(path).getTotalSpace();
> Files.getFileStore(path).getUsableSpace();
>  {code} with a read-access denied status.
> It looks like a buggy JDK implementation as on the other hand the following code is yielding result:
> {code:java}
> path.toFile().getTotalSpace();
> path.toFile().getUsableSpace();
> {code}
> Interestingly, the both of the codes are yielding same results for C:\ or System Drive.
> *sample*
> {code:java}
> import java.io.File;
> import java.io.IOException;
> import java.nio.file.Files;
> import java.nio.file.Path;
> import java.nio.file.Paths;
> import java.util.Arrays;
> import static java.lang.System.out;
> public class Blah {
>     public static void main(String [] args) throws IOException{
>         String [] _paths= {"D:\\workspace\\nifi", "c:\\Program Files"};
>         final float divisor=1024 * 1024 * 1024f;
>         for(String _path : _paths) {
>             try {
>                 Path path = Paths.get(_path);
>                 out.println(path.toFile().getTotalSpace() /divisor  + "GB");
>                 out.println(Files.getFileStore(path).getTotalSpace()/divisor +"GB");
>             }catch (Exception ex){
>                 ex.printStackTrace();
>             }
>         }
>     }
> }
> {code}



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