Groups > comp.lang.java.programmer > #11069

BufferedWriter cannot handle InterruptedIOException

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From	Jan Burse <janburse@fastmail.fm>
Newsgroups	comp.lang.java.programmer
Subject	BufferedWriter cannot handle InterruptedIOException
Date	Wed, 04 Jan 2012 18:59:18 +0100
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Dear All,

Just reading the spec of InterruptedIOException:

	"Signals that an I/O operation has been
	interrupted. An <code>InterruptedIOException</code>
	is thrown to indicate that an input or output
	transfer has been terminated because the thread
	performing it was interrupted. The field {@link
	#bytesTransferred} indicates how many bytes were
	successfully transferred before the interruption
	occurred."

But I think this does not carry over to BufferedOutputStream. I
find the following code there:

     /** Flush the internal buffer */
     private void flushBuffer() throws IOException {
         if (count > 0) {
             out.write(buf, 0, count);
             count = 0;
         }
     }

In case that out throws an InterruptedIOException exception,
the write operation is directly terminated, and the count
is not set to zero.

As an effect next time flushBuffer is called again, the
same bytes are written out again.

Some better BufferedOutputStream class known?

Bye

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BufferedWriter cannot handle InterruptedIOException Jan Burse <janburse@fastmail.fm> - 2012-01-04 18:59 +0100
  Corr: BufferedOutputStream cannot handle InterruptedIOException Jan Burse <janburse@fastmail.fm> - 2012-01-04 19:00 +0100
  Re: BufferedWriter cannot handle InterruptedIOException Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-01-04 13:41 -0800
  Re: BufferedWriter cannot handle InterruptedIOException Tom Anderson <twic@urchin.earth.li> - 2012-01-08 14:12 +0000

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