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Groups > comp.lang.java.programmer > #13305

Timeout Exceptions and the state of DataInputStream

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I was wondering how the DataInputStream class handles Socket timeouts.

For example, with code like the following:

someSocket.setSoTimeout(1000);

DataInputStream in = new DataInputStream(someSocket.getInputStream());

long x = in.readLong()

What would happen if the stream times out when reading the long.
Would calling in.readLong() again give the correct value.  This
assumes that the socket doesn't timeout the 2nd time.

I assume that since the DataInputStream could be reading one byte at a
time, it doesn't hold internal state.  This would mean that a few
bytes of the long could be lost?

Another option is that the stream would "unread" the bytes or
something.

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Timeout Exceptions and the state of DataInputStream Ivan Ryan <ivan.ryan@gmail.com> - 2012-03-28 16:59 -0700
  Re: Timeout Exceptions and the state of DataInputStream Knute Johnson <nospam@knutejohnson.com> - 2012-04-02 14:14 -0700
  Re: Timeout Exceptions and the state of DataInputStream Arne Vajhøj <arne@vajhoej.dk> - 2012-04-02 19:40 -0400

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