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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/IDP" style="color: #3b73af; text-decoration: none">Identity Provider</a> / <a href="https://issues.shibboleth.net/jira/browse/IDP-1688" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-6076048a-7af6-424d-abdb-9e8784c4fe41" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://issues.shibboleth.net/jira/browse/IDP-1688" style="color: #3b73af; text-decoration: none">IDP-1688</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/IDP-1688" style="color: #3b73af; text-decoration: none">Java 8 time format switch breaks timezone-less DateAttributePredicates</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-6076048a-7af6-424d-abdb-9e8784c4fe41" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </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">Affects Versions:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 4.0.1 </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="tzeller@shibboleth.net" id="email_tzeller@shibboleth.net" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=tzeller%40shibboleth.net" style="color:#0052cc;; color: #3b73af; text-decoration: none">Tom Zeller</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"> 13/Oct/20 9:13 PM </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">Environment:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0; margin-top: 0">IdP 4.0.1 on RHEL7 with Jetty 9.4.31 with JDK from Red Hat (11.0.8)</p> </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-minor-29bf0598-0675-4b1b-8a24-0f903adbb17c" height="16" width="16" border="0" align="absmiddle" alt="Minor" style="vertical-align: text-bottom"> Minor </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="cab@umn.edu" id="email_cab@umn.edu" href="https://issues.shibboleth.net/jira/secure/ViewProfile.jspa?name=cab%40umn.edu" style="color:#0052cc;; color: #3b73af; text-decoration: none">cab@umn.edu</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">When converting our DateAttributePredicate usage from the deprecated joda time to the Java 8 java.time, we discovered a limitation in the new mechanism. I don't think action is required from the Shib team for this, rather this "bug" report is intended to be a search magnet in case others stumble upon the same issues.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">In our case, it seems that the new Java 8 date parsing does not assume a default timezone, unlike the joda time parser. The net effect of this is a (handled) exception like:</p>
<div class="preformatted panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-word; white-space: pre-wrap">2020-09-30 16:31:58,525 - 10.21.71.166 - WARN [net.shibboleth.idp.profile.logic.DateAttributePredicate:208] - 202010041624 is not a valid date for the configured date parser
java.time.DateTimeException: Unable to obtain Instant from TemporalAccessor: {DayOfMonth=4, MonthOfYear=10, WeekBasedYear[WeekFields[SUNDAY,1]]=2020},ISO resolved to 16:24 of type java.time.format.Parsed
at java.base/java.time.Instant.from(Instant.java:378)
Caused by: java.time.temporal.UnsupportedTemporalTypeException: Unsupported field: InstantSeconds
at java.base/java.time.format.Parsed.getLong(Parsed.java:203)</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">If your date format includes a timezone or offset (and your parser string includes it), it should work fine, but if not it blows up.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Our workaround is to inject a DateTimeFormatter with the timezone explicitly set to the system default zone. Unfortunately, the formatter zone is not a property, so I don't know whether it's possible to create a formatter bean with a timezone. The workaround for <b>that</b> is to create a tiny factory class:</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">
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">class </span>DateTimeFormatterWithTZFactory {
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">static</span> DateTimeFormatter ofPattern(<span class="code-object" style="color: #910091">String</span> pattern) {
<span class="code-keyword" style="color: #000091">return</span> DateTimeFormatter.ofPattern(pattern).withZone(ZoneId.systemDefault());
}
}</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">which then allows a bean definition:</p>
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<bean id=<span class="code-quote" style="color: #009100">"TFDateParser"</span> class=<span class="code-quote" style="color: #009100">"edu.umn.oit.idm.shib.DateTimeFormatterWithTZFactory"</span> factory-method=<span class="code-quote" style="color: #009100">"ofPattern"</span>
c:pattern=<span class="code-quote" style="color: #009100">"yyyyMMddHHmm"</span> />
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">which can then be referenced by the DateAttributePredicate via formatter-ref.</p> </td>
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