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Chris,
On 2/19/2010 11:08 AM, Chris Mannion wrote:
> Thank, genuinely, for the responses, I've learned how I *could* set a
> timeout, which I didn't know before. However, what I'm actually
> trying to get to the bottom of is what timeout could be in play
> *without* me setting it.
Well, try this:
URLConnection t_connection = t_url.openConnection();
System.out.println("Read timeout for URLConnection: " +
t_connection.getReadTimeout());
That ought to tell you what the default read timeout is: the Java API
doesn't specify what the default read timeout is, so it's up to the
implementation to choose a default. I would expect that the default
would be 0 (wait forever), but it might not be.
> As I said, the connection is already timing out and I don't want it
> to.
It's possible that this exception is not accurately reporting the real
problem. It might be something else happening that is triggering a
ReadTimeoutException: check the source code for the HttpURLConnection
class to see if any particular default read timeout is being set, and
the code for the SocketInputStream class to.. oh, wait, that's a native
method so you're out of luck, there.
> Shouldn't the socket wait indefinitely for a response if nothing set
> a finite timeout length?
That's a reasonable expectation, but there's no documentation that says
that behavior is the default.
> This is code in an already release product so if I can track down an
> environment setting that's governing the timeout then I can just
> adjust that setting for the one customer with the problem rather than
> having to patch the code and release it to everyone.
I think you're going to require a patch, though it's possible that some
of these defaults are settable via system properties, etc.
I can't find any documentation for java.net.SocketInputStream: it must
not be a public API. Yup:
/**
* This stream extends FileInputStream to implement a
* SocketInputStream. Note that this class should <b>NOT</b> be
* public.
*
* @version 1.34, 12/19/03
* @author Jonathan Payne
* @author Arthur van Hoff
*/
- -chris
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