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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.redhat.com/browse/WELD" style="color: #3b73af; text-decoration: none">Weld</a> / <a href="https://issues.redhat.com/browse/WELD-2619" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-a8bf0c8e-d0ad-413d-a4ec-c2ef6b5ed091" height="16" width="16" border="0" align="absmiddle" alt="Enhancement" style="vertical-align: text-bottom"></a> <a href="https://issues.redhat.com/browse/WELD-2619" style="color: #3b73af; text-decoration: none">WELD-2619</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.redhat.com/browse/WELD-2619" style="color: #3b73af; text-decoration: none">Refactor ClassFileUtils to operate better on JDK 11+</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: 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-a8bf0c8e-d0ad-413d-a4ec-c2ef6b5ed091" height="16" width="16" border="0" align="absmiddle" alt="Enhancement" style="vertical-align: text-bottom"> Enhancement </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"> 3.1.4.Final </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"> Unassigned </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"> Proxies </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"> 28/Mar/20 7:26 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-75ddd74c-0ad8-4e51-9a76-0f43e2e20404" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom"> Major </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">Reporter:</th>
<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="manovotn" id="email_manovotn" href="https://issues.redhat.com/secure/ViewProfile.jspa?name=manovotn" style="color:#0066cc;; color: #3b73af; text-decoration: none">Matěj Novotný</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">There was a series of issues around class loading on JDK 11+ and those problems persist.<br> We need to take a look at how to twist the logic in <tt>ClassFileUtils</tt> to work on JDK 11 without getting IllegalAccess warnings.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Note that this concerns only SE and maybe Servlet as all EE integrators should use the new API that delegates class defining on them.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">One way is doing a multirelease JAR where we can keep current approach (cracking open CL with <tt>setAccessible()</tt> for JDK 8 and changing this file for JDK 11 using modular way of adding classes. I know last time I checked, there was a problem with:</p>
<ul>
<li>default packages - you always needed to add classes into existing package which is not what we currently do when we need to replace packages for proxies</li>
<li>another problem was not being able to define classes with different <tt>ProtectionDomain</tt>, I am not certain how we use this and if it is even an issue in SE.</li>
</ul> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Another way could be to define our CL since then we would have full access to those methods. But I think this would likely do more harm then anything else.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I am open to more suggestions <a href="https://issues.redhat.com/secure/ViewProfile.jspa?name=mkouba" class="user-hover" rel="mkouba" style="color: #3b73af; text-decoration: none">Martin Kouba</a> <img class="emoticon" src="cid:jira-generated-image-static-wink-50fbad61-531e-4b6b-aa1b-926672ec73db" height="16" width="16" align="absmiddle" alt="" border="0"></p> </td>
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