Public bug reported:
In some specific context that I currently cannot identify (i.e. happens
everytime on my server but never in VMs), after a reboot, squid-deb-
proxy fails to resolve DNS entries for URL that it needs to service. The
problem seems systematic on the hardware that I have.
Release : Trusty (squid-deb-proxy_0.8.6)
Test :
1) Reboot squid-deb-proxy server
2) From some client, issue :
$ telnet {squid-deb-proxy-server} 8000
GET http://fr.archive.ubuntu.com/ubuntu/dists/wily/InRelease
Trying 192.168.1.11...
Connected to avogadro.
Escape character is '^]'.
HTTP/1.1 503 Service Unavailable
Server: squid/3.3.8
Mime-Version: 1.0
Date: Tue, 19 May 2015 14:21:51 GMT
Content-Type: text/html
Content-Length: 3287
X-Squid-Error: ERR_DNS_FAIL 0
Vary: Accept-Language
Content-Language: en
X-Cache: MISS from squid-deb-proxy
X-Cache-Lookup: MISS from squid-deb-proxy:8000
Via: 1.1 squid-deb-proxy (squid/3.3.8)
Connection: close
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd";>
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>ERROR: The requested URL could not be retrieved</title>
<style type="text/css"><!--
/*
Stylesheet for Squid Error pages
Adapted from design by Free CSS Templates
http://www.freecsstemplates.org
Released for free under a Creative Commons Attribution 2.5 License
*/
...
<div id="content">
<p>The following error was encountered while trying to retrieve the URL: <a
href="http://fr.archive.ubuntu.com/ubuntu/dists/wily/InRelease";>http://fr.archive.ubuntu.com/ubuntu/dists/wily/InRelease</a></p>
<blockquote id="error">
<p><b>Unable to determine IP address from host name
<q>fr.archive.ubuntu.com</q></b></p>
</blockquote>
<p>The DNS server returned:</p>
<blockquote id="data">
<pre>No DNS records</pre>
</blockquote>
<p>This means that the cache was not able to resolve the hostname
presented in the URL. Check if the address is correct.</p>
<p>Your cache administrator is <a
href="mailto:webmaster?subject=CacheErrorInfo%20-%20ERR_DNS_FAIL&body=CacheHost%3A%20squid-deb-proxy%0D%0AErrPage%3A%20ERR_DNS_FAIL%0D%0AErr%3A%20%5Bnone%5D%0D%0ADNS%20ErrMsg%3A%20No%20DNS%20records%0D%0ATimeStamp%3A%20Tue,%2019%20May%202015%2014%3A21%3A51%20GMT%0D%0A%0D%0AClientIP%3A%20192.168.1.10%0D%0A%0D%0AHTTP%20Request%3A%0D%0AGET%20%2Fubuntu%2Fdists%2Fwily%2FInRelease%20HTTP%2F0.9%0A%0D%0A%0D%0A";>webmaster</a>.</p>
<br>
Restarting the squid-deb-proxy service fixes the problem
** Affects: squid-deb-proxy (Ubuntu)
Importance: Medium
Status: Confirmed
** Affects: squid-deb-proxy (Ubuntu Trusty)
Importance: Medium
Assignee: Louis Bouchard (louis-bouchard)
Status: In Progress
** Tags: sts
** Changed in: squid-deb-proxy (Ubuntu)
Status: New => Confirmed
** Changed in: squid-deb-proxy (Ubuntu)
Importance: Undecided => Medium
** Also affects: squid-deb-proxy (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: squid-deb-proxy (Ubuntu Trusty)
Status: New => In Progress
** Changed in: squid-deb-proxy (Ubuntu Trusty)
Importance: Undecided => Medium
** Changed in: squid-deb-proxy (Ubuntu Trusty)
Assignee: (unassigned) => Louis Bouchard (louis-bouchard)
** Description changed:
In some specific context that I currently cannot identify (i.e. happens
everytime on my server but never in VMs), after a reboot, squid-deb-
proxy fails to resolve DNS entries for URL that it needs to service. The
problem seems systematic on the hardware that I have.
Release : Trusty (squid-deb-proxy_0.8.6)
Test :
1) Reboot squid-deb-proxy server
2) From some client, issue :
$ telnet {squid-deb-proxy-server} 8000
GET http://fr.archive.ubuntu.com/ubuntu/dists/wily/InRelease
- Trying 192.168.1.11...
- Connected to avogadro.
- Escape character is '^]'.
- HTTP/1.1 503 Service Unavailable
- Server: squid/3.3.8
- Mime-Version: 1.0
- Date: Tue, 19 May 2015 14:21:51 GMT
- Content-Type: text/html
- Content-Length: 3287
- X-Squid-Error: ERR_DNS_FAIL 0
- Vary: Accept-Language
- Content-Language: en
- X-Cache: MISS from squid-deb-proxy
- X-Cache-Lookup: MISS from squid-deb-proxy:8000
- Via: 1.1 squid-deb-proxy (squid/3.3.8)
- Connection: close
+ Trying 192.168.1.11...
+ Connected to avogadro.
+ Escape character is '^]'.
+ HTTP/1.1 503 Service Unavailable
+ Server: squid/3.3.8
+ Mime-Version: 1.0
+ Date: Tue, 19 May 2015 14:21:51 GMT
+ Content-Type: text/html
+ Content-Length: 3287
+ X-Squid-Error: ERR_DNS_FAIL 0
+ Vary: Accept-Language
+ Content-Language: en
+ X-Cache: MISS from squid-deb-proxy
+ X-Cache-Lookup: MISS from squid-deb-proxy:8000
+ Via: 1.1 squid-deb-proxy (squid/3.3.8)
+ Connection: close
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd";>
- <html><head>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
- <title>ERROR: The requested URL could not be retrieved</title>
- <style type="text/css"><!--
- /*
- Stylesheet for Squid Error pages
- Adapted from design by Free CSS Templates
- http://www.freecsstemplates.org
- Released for free under a Creative Commons Attribution 2.5 License
- */
+ <html><head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+ <title>ERROR: The requested URL could not be retrieved</title>
+ <style type="text/css"><!--
+ /*
+ Stylesheet for Squid Error pages
+ Adapted from design by Free CSS Templates
+ http://www.freecsstemplates.org
+ Released for free under a Creative Commons Attribution 2.5 License
+ */
...
- <div id="content">
+ <div id="content">
<p>The following error was encountered while trying to retrieve the URL: <a
href="http://fr.archive.ubuntu.com/ubuntu/dists/wily/InRelease";>http://fr.archive.ubuntu.com/ubuntu/dists/wily/InRelease</a></p>
-
- <blockquote id="error">
+
+ <blockquote id="error">
<p><b>Unable to determine IP address from host name
<q>fr.archive.ubuntu.com</q></b></p>
- </blockquote>
-
- <p>The DNS server returned:</p>
- <blockquote id="data">
- <pre>No DNS records</pre>
- </blockquote>
-
- <p>This means that the cache was not able to resolve the hostname presented
in the URL. Check if the address is correct.</p>
-
+ </blockquote>
+
+ <p>The DNS server returned:</p>
+ <blockquote id="data">
+ <pre>No DNS records</pre>
+ </blockquote>
+
+ <p>This means that the cache was not able to resolve the hostname
+ presented in the URL. Check if the address is correct.</p>
+
<p>Your cache administrator is <a
href="mailto:webmaster?subject=CacheErrorInfo%20-%20ERR_DNS_FAIL&body=CacheHost%3A%20squid-deb-proxy%0D%0AErrPage%3A%20ERR_DNS_FAIL%0D%0AErr%3A%20%5Bnone%5D%0D%0ADNS%20ErrMsg%3A%20No%20DNS%20records%0D%0ATimeStamp%3A%20Tue,%2019%20May%202015%2014%3A21%3A51%20GMT%0D%0A%0D%0AClientIP%3A%20192.168.1.10%0D%0A%0D%0AHTTP%20Request%3A%0D%0AGET%20%2Fubuntu%2Fdists%2Fwily%2FInRelease%20HTTP%2F0.9%0A%0D%0A%0D%0A";>webmaster</a>.</p>
<br>
+
+ Restarting the squid-deb-proxy service fixes the problem
** Tags added: sts
--
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Server Team, which is subscribed to squid-deb-proxy in Ubuntu.
https://bugs.launchpad.net/bugs/1456662
Title:
squid-deb-proxy fails to resolve dns entry : needs to be restarted
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