Fix Agent and WideningTransformer and ClassPatcher

AccessWidener/src/main/java/de/steamwar/ClassPatcher.java

@@ -19,10 +19,12 @@
 
 package de.steamwar;
 
-import org.objectweb.asm.*;
+import org.objectweb.asm.ClassReader;
+import org.objectweb.asm.ClassWriter;
 
 import java.util.List;
 import java.util.Set;
+import java.util.logging.Logger;
 import java.util.stream.Collectors;
 
 /**
@@ -33,6 +35,8 @@ import java.util.stream.Collectors;
  */
 public class ClassPatcher {
 
+    private static final Logger LOG = Logger.getLogger("ClassPatcher");
+
     private final List<AccessWidenerEntry> entries;
 
     /** Pre-computed set of targeted internal names for fast filtering. */
@@ -46,18 +50,22 @@ public class ClassPatcher {
     }
 
     /**
-     * Patches {@code classBytes} if {@code internalName} is targeted.
+     * Patches {@code classBytes} if {@code className} is targeted.
      *
      * @return patched bytes, or {@code null} if no changes were needed
      */
-    public byte[] patch(String internalName, byte[] classBytes) {
-        if (!targets.contains(internalName)) return null;
+    public byte[] patch(String className, byte[] classBytes) {
+        if (!targets.contains(className)) return null;
 
-        ClassReader cr = new ClassReader(classBytes);
-        // COMPUTE_FRAMES would require the full classpath; we only touch flags so 0 is fine
-        ClassWriter cw = new ClassWriter(cr, 0);
-        cr.accept(new ClassTransformer(cw, internalName, entries), 0);
-        return cw.toByteArray();
+        try {
+            ClassReader cr = new ClassReader(classBytes);
+            ClassWriter cw = new ClassWriter(cr, 0);
+            cr.accept(new ClassTransformer(cw, className, entries), ClassReader.SKIP_CODE | ClassReader.SKIP_DEBUG | ClassReader.SKIP_FRAMES);
+            return cw.toByteArray();
+        } catch (Exception e) {
+            LOG.warning("[AccessWidener] Failed to transform " + className + ": " + e.getMessage());
+            return null;
+        }
     }
 }