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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Adrian,
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I fully see this. However I’m still puzzled. As I have stated already, both the SIP <-> XMPP and MSRP <-> XMPP messaging is working for me. There for I’m puzzled.
If the DNS settings were not correct, then the rest would not have worked either.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Also, the NOTIFY, in the error message, does this mean that there is a SIP package Notify which cannot be sent correctly ?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Tihomir<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Adrian Georgescu [mailto:ag@ag-projects.com]
<br>
<b>Sent:</b> Tuesday, September 18, 2012 4:19 PM<br>
<b>To:</b> Hadzhiev, Tihomir<br>
<b>Cc:</b> sipbeyondvoip@lists.ag-projects.com<br>
<b>Subject:</b> Re: [SIP Beyond VoIP] Presence problems continuation<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span class="apple-style-span"><span style="font-size:11.5pt;font-family:"Calibri","sans-serif"">Error: No nameserver is in DNS resolver </span></span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Sep 18, 2012, at 3:07 PM, Hadzhiev, Tihomir wrote:<o:p></o:p></p>
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<br>
<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The thing is indeed that this is a closed system, e.g. a Host system which runs the DNS, and a virtual machine which runs the Sylk and the Presence. So I’m
getting confused now with the explanation below. Indeed nobody changes the DNS entries<span class="apple-converted-space"> </span></span><span style="font-size:11.0pt;font-family:Wingdings;color:#1F497D">J</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Tiho</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span class="apple-converted-space"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> </span></span><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Adrian
Georgescu [<a href="mailto:ag@ag-projects.com">mailto:ag@ag-projects.com</a>]<span class="apple-converted-space"> </span><br>
<b>Sent:</b><span class="apple-converted-space"> </span>Tuesday, September 18, 2012 2:03 PM<br>
<b>To:</b><span class="apple-converted-space"> </span>Hadzhiev, Tihomir<br>
<b>Cc:</b><span class="apple-converted-space"> </span><a href="mailto:sipbeyondvoip@lists.ag-projects.com">sipbeyondvoip@lists.ag-projects.com</a><br>
<b>Subject:</b><span class="apple-converted-space"> </span>Re: [SIP Beyond VoIP] Presence problems continuation</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">It looks like somebody is changing your DNS resolver and removes any name servers from your machine network configuration.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Find out who does this and get rid of it or use static DNS entries.<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Adrian<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">On Sep 18, 2012, at 1:51 PM, Hadzhiev, Tihomir wrote:<o:p></o:p></p>
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<p class="MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Hi Adrian,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">I have checked around and it happened that 1-st problem is that when my ISP user logs in , the Subscribe for the XMPP domain is not routed correctly towards SYLK.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">That’s done now and I can see in tcpdump, e.g. done correctly ( even though it forward also the Subscribe for the SIP domain ( 1 user though ).</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">But now the following problem appeared:</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Starting factory <sylk.applications.xmppgateway.xmpp.DeferredS2SClientFactory object at 0x7f43cc5e9c90></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">/etc/resolv.conf changed, reparsing</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Resolver added ('10.226.20.240', 53) to server list</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Resolver added ('10.226.32.45', 53) to server list</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">DNSDatagramProtocol starting on 62773</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Starting protocol <twisted.names.dns.DNSDatagramProtocol object at 0x7f43cc9b7cd0></span><o:p></o:p></p>
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<div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">[xmppgateway] Presence session established<span class="apple-converted-space"> </span><a href="sip:alice@open-ims.test">sip:alice@open-ims.test</a><span class="apple-converted-space"> </span>--><span class="apple-converted-space"> </span><a href="xmpp:tihoparvi@testing.com">xmpp:tihoparvi@testing.com</a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Traceback (most recent call last):</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/usr/lib/python2.7/dist-packages/twisted/internet/base.py", line 773, in runUntilCurrent</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> f(*a, **kw)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/root/src/sylkserver/sylk/applications/__init__.py", line 139, in handle_notification</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> handler(notification)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/root/src/sylkserver/sylk/applications/__init__.py", line 167, in _NH_SIPIncomingSubscriptionGotSubscribe</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> app.incoming_subscription(subscribe_request, notification.data)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/root/src/sylkserver/sylk/applications/xmppgateway/__init__.py", line 133, in incoming_subscription</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> handler.add_sip_subscription(subscribe_request)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/root/src/sylkserver/sylk/applications/xmppgateway/presence.py", line 88, in add_sip_subscription</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> subscription.accept_pending()</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "_core.subscription.pxi", line 507, in sipsimple.core._core.IncomingSubscription.accept_pending (sipsimple/core/_core.c:102989)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "_core.subscription.pxi", line 648, in sipsimple.core._core.IncomingSubscription._send_notify (sipsimple/core/_core.c:105185)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">PJSIPError: Could not send NOTIFY request: No nameserver is in DNS resolver (PJLIB_UTIL_EDNSNONS)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">[xmppgateway] Presence session established<span class="apple-converted-space"> </span><a href="sip:alice@open-ims.test">sip:alice@open-ims.test</a><span class="apple-converted-space"> </span>--><span class="apple-converted-space"> </span><a href="xmpp:tihovroti@testing.com">xmpp:tihovroti@testing.com</a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Traceback (most recent call last):</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/usr/lib/python2.7/dist-packages/twisted/internet/base.py", line 773, in runUntilCurrent</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> f(*a, **kw)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/root/src/sylkserver/sylk/applications/__init__.py", line 139, in handle_notification</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> handler(notification)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/root/src/sylkserver/sylk/applications/__init__.py", line 167, in _NH_SIPIncomingSubscriptionGotSubscribe</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> app.incoming_subscription(subscribe_request, notification.data)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/root/src/sylkserver/sylk/applications/xmppgateway/__init__.py", line 133, in incoming_subscription</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> handler.add_sip_subscription(subscribe_request)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/root/src/sylkserver/sylk/applications/xmppgateway/presence.py", line 88, in add_sip_subscription</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> subscription.accept_pending()</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "_core.subscription.pxi", line 507, in sipsimple.core._core.IncomingSubscription.accept_pending (sipsimple/core/_core.c:102989)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "_core.subscription.pxi", line 648, in sipsimple.core._core.IncomingSubscription._send_notify (sipsimple/core/_core.c:105185)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">PJSIPError: Could not send NOTIFY request: No nameserver is in DNS resolver (PJLIB_UTIL_EDNSNONS)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">(UDP Port 62773 Closed)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Stopping protocol <twisted.names.dns.DNSDatagramProtocol object at 0x7f43cc9b7cd0></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Starting factory <sylk.applications.xmppgateway.xmpp.DeferredS2SClientFactory object at 0x7f43cca6d410></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">DNSDatagramProtocol starting on 46209</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Starting protocol <twisted.names.dns.DNSDatagramProtocol object at 0x7f43cca6d510></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">(UDP Port 46209 Closed)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Stopping protocol <twisted.names.dns.DNSDatagramProtocol object at 0x7f43cca6d510></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Incoming connection 0 from u'testing.com' to u'open-ims.test' established</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Stopping factory <sylk.applications.xmppgateway.xmpp.DeferredS2SClientFactory object at 0x7f43cca6d410></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Outgoing connection 0 from u'open-ims.test' to u'testing.com' established</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">error: Exception occured in observer <sylk.applications.xmppgateway.presence.S2XPresenceHandler object at 0x7f43cc5ed9d0> while handling notification 'XMPPSubscriptionChangedState'</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Traceback (most recent call last):</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/usr/lib/python2.7/dist-packages/application/notification.py", line 216, in post_notification</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> observer.handle_notification(notification)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/root/src/sylkserver/sylk/applications/xmppgateway/presence.py", line 137, in handle_notification</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> handler(notification)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "/root/src/sylkserver/sylk/applications/xmppgateway/presence.py", line 153, in _NH_XMPPSubscriptionChangedState</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> subscription.accept(content_type, pidf_doc)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "_core.subscription.pxi", line 534, in sipsimple.core._core.IncomingSubscription.accept (sipsimple/core/_core.c:103475)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> File "_core.subscription.pxi", line 648, in sipsimple.core._core.IncomingSubscription._send_notify (sipsimple/core/_core.c:105185)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">PJSIPError: Could not send NOTIFY request: No nameserver is in DNS resolver (PJLIB_UTIL_EDNSNONS)</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Attached is also full trace of all entities on SYLK.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Thanks,</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"">Tiho</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif""> </span><o:p></o:p></p>
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<div class="MsoNormal" align="center" style="text-align:center"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif"">
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<p class="MsoNormal"><span style="font-size:13.5pt;font-family:"Helvetica","sans-serif""><o:p> </o:p></span></p>
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