Fix #316

Author: cowtowncoder

mrbean/pom.xml

@@ -101,6 +101,22 @@ ${project.groupId}.mrbean.*;version=${project.version}
                   <shadedPattern>tools.jackson.module.mrbean.bytebuddy</shadedPattern>
                 </relocation>
               </relocations>
+              <filters>
+                <filter>
+                  <!-- 31-Oct-2025, tatu: [modules-base#316] Exclude problematic MR-JAR files
+                       and metadata that cause classpath conflicts
+                    -->
+                  <artifact>net.bytebuddy:byte-buddy</artifact>
+                  <excludes>
+                    <!-- Multi-release JAR files have renamed class names but unchanged paths -->
+                    <exclude>META-INF/versions/**</exclude>
+                    <!-- ByteBuddy's module-info conflicts with our own -->
+                    <exclude>module-info.class</exclude>
+                    <!-- No need for ByteBuddy's Maven metadata -->
+                    <exclude>META-INF/maven/**</exclude>
+                  </excludes>
+                </filter>
+              </filters>
             </configuration>
           </execution>
         </executions>

release-notes/CREDITS

@@ -15,3 +15,10 @@ Georgios Andrianakis (geoand@github)
  (3.0.0)
 * Contributed #225: Afterburner 3.0 fails to handle interface "default" methods
  (3.0.0)
+
+Josh Curry (@seadbrane)
+
+* Reported #316: Partially shaded Bytebuddy classes found under META-INF/versions/9 in
+  jackson-module-mrbean-3.0.0.jar
+ (3.0.2)
+

release-notes/VERSION

@@ -22,6 +22,17 @@ Active maintainers:
 === Releases ===
 ------------------------------------------------------------------------
 
+3.1.0 (not yet released)
+
+-
+
+3.0.2 (not yet released)
+
+#316: Partially shaded Bytebuddy classes found under META-INF/versions/9 in
+  jackson-module-mrbean-3.0.0.jar
+ (reported by Josh C)
+ (fix by @cowtowncoder, w/ Claude code)
+
 3.0.1 (21-Oct-2025)
 
 No changes since 3.0.0