<!-- ### Imported Jira references for easier searching --> <!-- [jira_issue_key=JENKINS-65766] --> <!-- [jira_issue_type=Bug] --> <!-- [reporter=tom_gl] --> <!-- [assignee=jglick] --> <!-- [author=tom_gl] --> <!-- [jira_component=core] --> <!-- [jira_label=2.289.2-fixed] --> <!-- [jira_label=classloader] --> <!-- [jira_label=race-condition] --> <!-- [jira_issues_importer_version=1.2.0] --> --- <details><summary><i>Originally reported by <a href="https://issues.jenkins.io/secure/ViewProfile.jspa?name=tom_gl">tom_gl</a>, imported from: <a class="no-jira-link-rewrite" href="https://issues.jenkins.io/browse/JENKINS-65766" target="_blank">java.lang.LinkageError: ... attempted duplicate class definition for name: ...</a></i></summary> <i><ul> <li><b>assignee</b>: <img align="left" width="20" src="https://raw.githubusercontent.com/jenkinsci/artifacts-from-jira-issues/refs/heads/main/avatars/jglick.png" title="jglick's avatar" /> <a href="https://issues.jenkins.io/secure/ViewProfile.jspa?name=jglick">jglick</a> <li><b>status</b>: Closed <li><b>priority</b>: Major <li><b>component(s)</b>: core <li><b>label(s)</b>: 2.289.2-fixed, classloader, race-condition <li><b>resolution</b>: Fixed <li><b>resolved</b>: 2021-06-05T07:27:46+00:00 <li><b>votes</b>: 0 <li><b>watchers</b>: 2 <li><b>imported</b>: 2025-11-24 </ul></i> </details> <details><summary><i>environment</i></summary> ``` Jenkins 2.277.4<br/> OpenJDK Runtime Environment (build 1.8.0_292-8u292-b10-0ubuntu1~18.04-b10) ``` </details>
Originally reported by tom_gl, imported from: java.lang.LinkageError: ... attempted duplicate class definition for name: ...
environment