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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"><a href="https://shibboleth.atlassian.net/browse/OSJ?atlOrigin=eyJpIjoiMmMyOWYwYmE5MmNiNDcxMWIxN2JiMjFjZDUxN2VjNGMiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">OpenSAML - Java</a> / <a href="https://shibboleth.atlassian.net/browse/OSJ-366?atlOrigin=eyJpIjoiMmMyOWYwYmE5MmNiNDcxMWIxN2JiMjFjZDUxN2VjNGMiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-3db7047d-5e54-41bf-ac56-8066522756ca" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://shibboleth.atlassian.net/browse/OSJ-366?atlOrigin=eyJpIjoiMmMyOWYwYmE5MmNiNDcxMWIxN2JiMjFjZDUxN2VjNGMiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">OSJ-366</a></td>
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<td style="vertical-align: top;; padding: 0; 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://shibboleth.atlassian.net/browse/OSJ-366?atlOrigin=eyJpIjoiMmMyOWYwYmE5MmNiNDcxMWIxN2JiMjFjZDUxN2VjNGMiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">NoSuchMethodError in SAML20AssertionValidator::validate</a> </span></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">Issue Type:</th>
<td class="has-icon" style="padding: 0; 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-3db7047d-5e54-41bf-ac56-8066522756ca" 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: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 4.0.1, 4.2.0 </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="557058:97de0981-adc3-4044-95ed-131622fad81e" style="color:#3b73af;; color: #3b73af; text-decoration: none" id="email_557058:97de0981-adc3-4044-95ed-131622fad81e" href="https://shibboleth.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A97de0981-adc3-4044-95ed-131622fad81e"> 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">Components:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> SAML 2 Core </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: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 28/Nov/22 5:31 AM </td>
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<td class="has-icon" style="padding: 0; 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-trivial-c0896643-e4fc-4035-8cec-50366625943c" height="16" width="16" border="0" align="absmiddle" alt="Trivial" style="vertical-align: text-bottom"> Trivial </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"><a class="user-hover" rel="638480fb00cb2fc3f988e65d" style="color:#3b73af;; color: #3b73af; text-decoration: none" id="email_638480fb00cb2fc3f988e65d" href="https://shibboleth.atlassian.net/secure/ViewProfile.jspa?accountId=638480fb00cb2fc3f988e65d"> Christian Kriz </a></td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"><p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">Using SAML20AssertionValidator’s validate method like in this excerpt:</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal"><span class="code-keyword" style="color: #000091">try</span> {
ValidationContext context = <span class="code-keyword" style="color: #000091">new</span> ValidationContext(validationParameters);
ValidationResult validate = saml20AssertionValidator.validate(assertion, context); <span class="code-comment" style="color: #808080">// <---- Exception thrown here
</span> <span class="code-keyword" style="color: #000091">if</span>(validate != ValidationResult.VALID) {
<span class="code-keyword" style="color: #000091">throw</span> <span class="code-keyword" style="color: #000091">new</span> InvalidSamlResponseException(context.getValidationFailureMessage());
}
} <span class="code-keyword" style="color: #000091">catch</span> (AssertionValidationException e) {
<span class="code-keyword" style="color: #000091">throw</span> <span class="code-keyword" style="color: #000091">new</span> InvalidSamlResponseException(e);
}</pre>
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</div><p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">throws</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">java.lang.NoSuchMethodError: com.google.common.base.Predicate.test(Ljava/lang/<span class="code-object" style="color: #910091">Object</span>;)Z
net.shibboleth.utilities.java.support.logic.PredicateSupport.and(PredicateSupport.java:129)</pre>
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</div><p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">This seems to be an issue stemming from usage of Google’s guava library in OpenSAML’s PredicateSupport.java, where the line #129</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; border-radius: 3px; margin: 9px 0">
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<pre style="margin: 10px 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-all; white-space: pre-wrap">return Predicates.and(copy)::test;</pre>
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</div><p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">calls <tt>com.google.common.base.Predicates</tt> which has a method <tt>apply</tt> and <tt>equals</tt>, but not <tt>test</tt>.</p><p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0"><a href="https://mvnrepository.com/artifact/org.opensaml/opensaml-core/4.2.0" class="external-link" rel="nofollow noreferrer" style="color: #3b73af; text-decoration: none">Maven’s OpenSAML 4.2.0</a> depends on guava 31.1. Earlier versions of guava exist, which seem to support OpenSAML’s usage of Predicates like shown above, but neither guava 31.1 used by OpenSAML 4.2.0 nor guava 28.2 used by OpenSAML 4.0.1 have that method <tt>Predicates::test</tt>.</p><p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">OpenSAML 3.4.6 seems unaffected by this erroneous behavior.</p></td>
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