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From "Kristian Rosenvold (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IO-481) org.apache.commons.io.FileUtils#waitFor waits too long
Date Fri, 19 Jun 2015 18:20:00 GMT
Kristian Rosenvold created IO-481:
-------------------------------------

             Summary: org.apache.commons.io.FileUtils#waitFor waits too long
                 Key: IO-481
                 URL: https://issues.apache.org/jira/browse/IO-481
             Project: Commons IO
          Issue Type: Bug
    Affects Versions: 2.4
            Reporter: Kristian Rosenvold


The timing algorithm is basically broken, since Thread.sleep is imprecise. There is also a
counter error in the looping code. 

The following testcase will never run in less than 4 seconds on my machine

  public void testRealWallTime() {
        long start = System.currentTimeMillis();
        FileUtils.waitFor(new File(""), 2);
        System.out.println("elapsed = " + (System.currentTimeMillis() - start));
    }



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