fixes GitHub Issue 462 (Internal class issues in the Java 21)

jboss-javassist · Oct 8, 2023 · d63c0ca · d63c0ca
1 parent 700be6f
commit d63c0ca
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/main/javassist/bytecode/MethodParametersAttribute.java b/src/main/javassist/bytecode/MethodParametersAttribute.java
@@ -61,7 +61,7 @@ public int name(int i) {
      * @param i         the position of the parameter.
      */
     public String parameterName(int i) {
-        return getConstPool().getUtf8Info(name(i));
+        return name(i) == 0 ? "" : getConstPool().getUtf8Info(name(i));
     }
 
     /**
@@ -87,7 +87,7 @@ public AttributeInfo copy(ConstPool newCp, Map<String,String> classnames) {
         String[] names = new String[s];
         int[] flags = new int[s];
         for (int i = 0; i < s; i++) {
-            names[i] = cp.getUtf8Info(name(i));
+            names[i] = name(i) == 0 ? "" : cp.getUtf8Info(name(i));
             flags[i] = accessFlags(i);
         }