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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://issues.shibboleth.net/jira/browse/JPAR" style="color: #3b73af; text-decoration: none">Java Parent Project</a> / <a href="https://issues.shibboleth.net/jira/browse/JPAR-143" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-4d360de2-0003-46b5-a46a-b86b31697ab4" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://issues.shibboleth.net/jira/browse/JPAR-143" style="color: #3b73af; text-decoration: none">JPAR-143</a> </td>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://issues.shibboleth.net/jira/browse/JPAR-143" style="color: #3b73af; text-decoration: none">Builds failing because of dead API sites</a> </span> </td>
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-4d360de2-0003-46b5-a46a-b86b31697ab4" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </td>
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="putmanb@shibboleth.net" id="email_putmanb@shibboleth.net" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=putmanb%40shibboleth.net" style="color:#0052cc;; color: #3b73af; text-decoration: none">Brent Putman</a> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 18/Jul/19 6:18 AM </td>
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-major-750c9003-55cb-4743-a6b7-ecda3de9d8d8" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom"> Major </td>
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="ian@iay.org.uk" id="email_ian@iay.org.uk" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=ian%40iay.org.uk" style="color:#0052cc;; color: #3b73af; text-decoration: none">Ian Young</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0; margin-top: 0">Both the v11 and v7 stack builds have been failing a lot recently because of problems reaching the following API link URLs:</p>
<ul>
<li><tt><a href="http://logback.qos.ch/apidocs" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">http://logback.qos.ch/apidocs</a></tt></li>
<li><tt><a href="https://www.slf4j.org/apidocs" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://www.slf4j.org/apidocs</a></tt></li>
</ul> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">These failures appear to be rejected connections by the server, rather than a routing problem.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">It is worth noting that they both appear to be served by the same host: both of those FQDNs are CNAMEs for a entry with a similar name (e.g., <tt>ge.slf4j.org</tt>) with an A record of 83.166.144.67 and an AAAA record of 2001:1600:4:8:f816:3eff:fe05:5faf.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The failure condition is observable in a browser while it's present, but it appears to be intermittent. Today, for example, the site was broken from around 8am to 11am UK local.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Interestingly, although I could see the error in a browser or using <tt>curl</tt>, I wasn't able to reproduce what the Jenkins run saw, which was this:</p>
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<pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
01:37:22 [ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:3.0.1:jar (attach-javadocs) on project aggregator-pipeline: MavenReportException: Error <span class="code-keyword" style="color: #000091">while</span> generating Javadoc:
01:37:22 [ERROR] Exit code: 1 - javadoc: error - Error fetching URL: https:<span class="code-comment" style="color: #808080">//logback.qos.ch/apidocs/</span>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">For me, the build completed but without links to the problematic APIs appearing in the output. That's obviously annoying but better for the purposes of the nightly builds.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">At the moment, I can't account for the difference in behaviour. The only things I can see that might be different are:</p>
<ul>
<li>On my side, Mac; on the Jenkins box, Linux.</li>
<li>On my side, Corretto 11.0.4; on the Jenkins box, Corretto 11.0.3.</li>
<li>My machine has no IPv6 connectivity, not sure whether the Jenkins box does.</li>
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