***** OUTPUT FROM error_log file *****
content_type = application/pdf
HEADERS_OUT Dumper:
$VAR1 = bless( {
                 'Accept-Ranges' => 'bytes',
                 'Content-Length' => '751711',
                 'Content-Range' => '0-751710/751711',
                 'Content-Disposition' => 'inline; filename="test.pdf"',
                 'Last-Modified' => 'Sun, 25 Jan 2009 19:56:38 GMT'
               }, 'APR::Table' );
               
HEADERS_IN dumper:
$VAR1 = bless( {
                 'Host' => '10.199.122.122',
                 'User-Agent' => 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.14) Gecko/20110218 Firefox/3.6.14',
                 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
                 'Accept-Language' => 'en-us,en;q=0.5',
                 'Accept-Encoding' => 'gzip,deflate',
                 'Accept-Charset' => 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
                 'Keep-Alive' => '115',
                 'Connection' => 'keep-alive',
                 'Referer' => ''
               }, 'APR::Table' );
range request = 0-751710/751711
content_size = 751711, end_range = 751710
bytes_total = 751710
sendfile -> /tmp/test.pdf,0,65536
bytes_total = 686174, totalbytes_sent = 65536
sendfile -> /tmp/test.pdf,65536,65536
[Thu Mar 24 11:38:50 2011] [info] [client 10.199.122.122] (32)Broken pipe: core_output_filter: writing data to the network
[Thu Mar 24 11:38:50 2011] [error] [client 10.199.122.122] Apache2::RequestIO::sendfile: (130) Software caused connection abort.

content_type = application/pdf
HEADERS_OUT Dumper:
$VAR1 = bless( {
                 'Accept-Ranges' => 'bytes',
                 'Content-Length' => '751711',
                 'Content-Range' => '0-751710/751711',
                 'Content-Disposition' => 'inline; filename="test.pdf"',
                 'Last-Modified' => 'Sun, 25 Jan 2009 19:56:38 GMT'
               }, 'APR::Table' );
HEADERS_IN dumper:
$VAR1 = bless( {
                 'Host' => '10.199.122.122',
                 'User-Agent' => 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.14) Gecko/20110218 Firefox/3.6.14',
                 'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
                 'Accept-Language' => 'en-us,en;q=0.5',
                 'Accept-Encoding' => 'gzip,deflate',
                 'Accept-Charset' => 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
                 'Keep-Alive' => '115',
                 'Connection' => 'keep-alive',
                 'Range' => 'bytes=1-1,750984-751710'
               }, 'APR::Table' );
range request = 0-751710/751711
content_size = 751711, end_range = 751710
bytes_total = 751710
sendfile -> /tmp/test.pdf,0,65536
bytes_total = 686174, totalbytes_sent = 65536
sendfile -> /tmp/test.pdf,65536,65536
bytes_total = 620638, totalbytes_sent = 131072
sendfile -> /tmp/test.pdf,131072,65536
bytes_total = 555102, totalbytes_sent = 196608
sendfile -> /tmp/test.pdf,196608,65536
bytes_total = 489566, totalbytes_sent = 262144
sendfile -> /tmp/test.pdf,262144,65536
bytes_total = 424030, totalbytes_sent = 327680
sendfile -> /tmp/test.pdf,327680,65536
bytes_total = 358494, totalbytes_sent = 393216
sendfile -> /tmp/test.pdf,393216,65536
bytes_total = 292958, totalbytes_sent = 458752
sendfile -> /tmp/test.pdf,458752,65536
bytes_total = 227422, totalbytes_sent = 524288
sendfile -> /tmp/test.pdf,524288,65536
bytes_total = 161886, totalbytes_sent = 589824
sendfile -> /tmp/test.pdf,589824,65536
bytes_total = 96350, totalbytes_sent = 655360
sendfile -> /tmp/test.pdf,655360,65536
bytes_total = 0, totalbytes_sent = 686174
sendfile -> /tmp/test.pdf,720896,30814