You've posted very little code.  Have you tried looking at the headers?  You
must turn on trace:
  $soap_options = array(
    // ,'soap_version'=>SOAP_1_2
    // ,'exceptions'=>false
    // ,'classmap'=>$classmap
  $soap_client = new SoapClient($wsdl_url, $soap_options);
  try {
    $request_fault = false;
    $soap_response = $soap_client->GetByProNumber($request_parms);
  } catch (SoapFault $request_fault) {
    echo "request_fault:\n" . print_r($request_fault,true) . "\n";
echo "<pre class='debug'><b>REQUEST HEADERS:</b><br>" . 
htmlentities($soap_client->__getLastRequestHeaders()) . "</pre>\n";

echo "<pre class='debug'><b>Response Headers:</b><br>" . 
htmlentities($soap_client->__getLastResponseHeaders()) . "</pre><br>\n";


On 3/12/2018 11:54 AM, Chris Kottaridis wrote:
I finally got around to upgrading from Fedora25 to Fedora26.

The layout is I have two partitions of which at any time one of the is the root partition, which contains everything but the /boot partition, and the other is not used. I have a separate /boot partition. When I upgrade I go into single user and duplicate the currently used root partition to the unused one using:

# mkfs.xfs /dev/fedora/rootb
# mount /dev/fedora/rootb /mnt
# xfsdump -J - / | xfsrestore -J - /mnt

Then I modify /boot/grub2/grub.cfg and tell vmlinuz to use the new partition and modify /mnt/etc/fstab to have the root partition be the new partition. I then reboot and indeed I come up on the new partition just fine, still running F25. On this new partition I do the OS upgrade. The upgrade goes fine and it boots up just fine on Fedora26.

I did a search for .rpmsave files to see if the upgrade changed any configuration files I may have modified locally and that came up empty.

However, when I try and use the application that runs on that machine which is PHP SOAP I get an error "can not connect to host". The nslookup for that host is correct and I can ping the host. As far as I know nothing has changed on that host. My code uses the following to handle self-signed certs:

'stream_context'=> stream_context_create(array('ssl'=> 

But I know that the cert on the host I am contacting is not self-signed.

If I go back and edit /boot/grub2/grub.cfg to boot up off the old Fedora25 root partition it comes up fine and I can use the application just fine to connect to the host.

Is there any history of PHP or SOAP having a change from F25 to F26 that could explain the "can not connect to host" error I am seeing on F26 that I don't see on F25 ?

Chris Kottaridis
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