HHH-17705 Load default bytecode provider using the correct ClassLoader

Author: mbellade

hibernate-core/src/main/java/org/hibernate/bytecode/internal/BytecodeProviderInitiator.java

@@ -61,7 +61,11 @@ public Class<BytecodeProvider> getServiceInitiated() {
 
 	@Internal
 	public static BytecodeProvider buildDefaultBytecodeProvider() {
-		return getBytecodeProvider( ServiceLoader.load( BytecodeProvider.class ) );
+		// Use BytecodeProvider's ClassLoader to ensure we can find the service
+		return getBytecodeProvider( ServiceLoader.load(
+				BytecodeProvider.class,
+				BytecodeProvider.class.getClassLoader()
+		) );
 	}
 
 	@Internal