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From "Matt Kusnierz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IO-480) IOUtils.closeQuietly can throw NullPointerException
Date Mon, 01 Jun 2015 13:08:17 GMT
Matt Kusnierz created IO-480:
--------------------------------

             Summary: IOUtils.closeQuietly can throw NullPointerException
                 Key: IO-480
                 URL: https://issues.apache.org/jira/browse/IO-480
             Project: Commons IO
          Issue Type: Bug
          Components: Utilities
    Affects Versions: 2.4
            Reporter: Matt Kusnierz


The IOUtils#closeQuietly method in its javadoc suggests that ANY exceptions will be ignored.
This is not the case, as the code only catches IOExceptions. As this example stack trace shows,
it is possible for some InputStreams to through NullPointerExceptions during close:

java.lang.NullPointerException: null
	at java.io.FilterInputStream.close(FilterInputStream.java:155) ~[na:1.6.0_35]
	at sun.net.www.protocol.jar.JarURLConnection$JarURLInputStream.close(JarURLConnection.java:90)
~[na:1.6.0_35]
	at org.apache.commons.io.IOUtils.closeQuietly(IOUtils.java:281) ~[commons-io-2.1.jar:2.1]
	at org.apache.commons.io.IOUtils.closeQuietly(IOUtils.java:224) ~[commons-io-2.1.jar:2.1]

Close quietly should do as advertised/suggested and catch all Exceptions.



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