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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.jboss.org/browse/WELD" style="color: #3b73af; text-decoration: none">Weld</a> / <a href="https://issues.jboss.org/browse/WELD-2555" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-ea4fcbb2-137b-4548-a349-9f0c47e63490" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://issues.jboss.org/browse/WELD-2555" style="color: #3b73af; text-decoration: none">WELD-2555</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.jboss.org/browse/WELD-2555" style="color: #3b73af; text-decoration: none">ConcurrentModificationException while destroying context</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-ea4fcbb2-137b-4548-a349-9f0c47e63490" 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"> 3.0.5.Final </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">Assignee:</th>
<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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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Attachments:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> weld-bug-8.0.0.war, weld-bug.zip </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: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Servlet Container Support, WildFly integration </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"> 09/Jan/19 7:43 AM </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">JAX-RS application in WildFly 14.0.1.Final</p> </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">Priority:</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-static-major-9515acf1-5b5e-4803-994a-481d8dabe8e8" 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="munzi82" id="email_munzi82" href="https://issues.jboss.org/secure/ViewProfile.jspa?name=munzi82" style="color:#0052cc;; color: #3b73af; text-decoration: none">Daniel Munzinger</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">A <tt>ConcurrentModificationException</tt> is thrown if beans are created while the context is being destroyed.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Two beans are currently in the context while it is being destroyed:<br> <tt>MyRequestScopedBean</tt><br> <tt>MyOtherRequestScopedBean</tt></p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">On <tt>@PreDestory</tt> of <tt>MyRequestScopedBean</tt> a third bean <tt>MyRequestScopedDataHolder</tt> is called. This bean is created because it was not used before.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">When the destory logic in <tt>AbstractContext</tt> continues it failes with a <tt>ConcurrentModificationException</tt> because the underlying <tt>BeanStore</tt> (or more accuratly the backing <tt>HashMap</tt>) has been changed.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This bug is also depending on the version of the deployed app because it influences the key hash. This means there are situations where it works and situations where it won't work (depending of the "order" in the HashMap).</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I created an example which uses JAX-RS but it is also reproduceable using MDBs.</p> </td>
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