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We are running into https://bugs.openjdk.java.net/browse/JDK-8232997. In our case this results in a JVM crash when loading custom JFR event classes. The cause seems to be when multiple threads end up calling #defineClass for the same custom JFR event class then JVM crashes. This seems to be caused by a particularity of JBoss Modules in that it

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I am trying to move my application from WildFly 8.2.0 to WildFly 18.0.1. After migration using jboss-server-migration tool I get the following error when starting the server: Caused by: java.lang.NoClassDefFoundError: org/omg/CORBA/LongHolder         at java.lang.Class.getDeclaredMethods0(Native Method)
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Hi guys; I am having some issues integrating tomcat 8.5 or 9 with weld and my existing app.  I have downloaded the uber jar  'weld-servlet-shaded-3.1.3.Final' and dropped it in my web-inf/lib application directory. I have also dropped an empty default beans.xml in my web-inf and web-inf/classes (both places for good messaures ) My