Liferay Throws java.lang.ClassCastException: class org.apache.xerces.parsers on Login
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Emma Carr-Gardner
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Issue
- Liferay throws a ClassCastException after upgrading, the upgrade logs show no errors.
- Liferay throws an error after non-graceful shutdown
ERROR [http-nio-8080-exec-8][AutoLoginFilter:247] Current URL /home generates exception: com.liferay.portal.kernel.security.auto.login.AutoLoginException: java.lang.ClassCastException: class org.apache.xerces.parsers.XIncludeAwareParserConfiguration cannot be cast to class org.apache.xerces.xni.parser.XMLParserConfiguration (org.apache.xerces.parsers.XIncludeAwareParserConfiguration is in unnamed module of loader com.liferay.shielded.container.internal.ShieldedContainerClassLoader @24fb6a80; org.apache.xerces.xni.parser.XMLParserConfiguration is in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @4c66592d)
Resolution
- To resolve this behavior, upgrade to Liferay DXP 2024.Q2.8+, or request a hotfix built on LPD-31188, if you are still within the Support Coverage window.
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