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Postings from April 2012
On 4/27/2012 4:19 AM, Nicholas Clark via RT wrote: > On Thu Apr 26 16:41:16 2012, Hugmeir wrote: >> On Fri, Mar 23, 2012 at 10:15 PM, James E Keenan via RT< >> perlbug-followup@perl.org> wrote: >> >>> On Wed Aug 01 06:14:30 2001, Peter@PSDT.com wrote: >>>> % perl -MIO::Socket -e 'IO::Socket::INET->new(PeerAddr => >>>> "ice-www.larc.nasa.gov", PeerPort => 80, Timeout => 180)' >>>> >>>> That produces the error 'Broken pipe'. This doesn't: >>>> >>>> % perl -MIO::Socket -e 'IO::Socket::INET->new(PeerAddr => "ice-www. >>>> larc.nasa.gov", PeerPort => 80)' >>>> >>>> It's only on that address, BTW - pick another web server and it's fine >>>> (!). Also it does not reproduce on Linux (RH 6.2). > >>> Are you still observing this oddity on Solaris on versions of IO::Socket >>> distributed with a supported version of Perl such as 5.14.2 or blead? >>> >> >> I can't reproduce this on 5.8.4, 5.12.4, 5.14.2, nor blead. > Thanks for checking this, but sadly I doubt that *anyone* can usefully > reproduce the problem totally, as the specific host the bug report > mentions as the problem no longer exists: > > $ host ice-www.larc.nasa.gov > Host ice-www.larc.nasa.gov not found: 3(NXDOMAIN) > > It's a shame that we missed asking this question at the time, but > for future reference, I think what we really (also) needed was the > output from running the test program under truss. > > It looks like a spurious SIGPIPE is being sent by the OS for no > particularly good reason, as the error seems to arrive without > the Perl code doing any sort of read on the socket. To be sure about > this we would have needed to know the order of system calls - hence > truss > > (and equivalently ktrace on *BSD, strace on Linux. Not sure whether > any other platforms have similarly good tools) FWIW, I tried connecting to 100+ NASA web servers using the same Perl (5.6.1) and Solaris box that triggered this report, no dice. Even if that DNS address were still around I doubt it would help as it must have something to do with the type of httpd they were running and I imagine that even they would have upgraded it in 11 years.Thread Previous | Thread Next