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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-1028" style="color: #3b73af; text-decoration: none">Re: HttpSession NullPointerException on Apache Tomcat 8.5.4</a> </span> </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: 10px 0 0 0; margin-top: 0">For what it's worth, we were never able to pin down the root cause of this issue, but we did successfully upgrade from Tomcat 8.0.X to 8.5.31 without incident. In absence of a definitive explanation I'm inclined to agree with Rod that this was most likely a bug in the early Tomcat 8.5.X release series.</p> </td>
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