Matt Kusnierz created IO-480:
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             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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