test/runtime/8003720/VictimClassLoader.java

@@ -70,12 +70,14 @@
             throw new Error(ex);
         }
     }
 
     static byte[] readFully(java.io.InputStream in, int len) throws java.io.IOException {
-        // Warning here:
-        return sun.misc.IOUtils.readFully(in, len, true);
+        byte[] b = in.readAllBytes();
+        if (len != -1 && b.length != len)
+            throw new java.io.IOException("Expected:" + len + ", actual:" + b.length);
+        return b;
     }
 
     public void finalize() {
         Test8003720.println("Goodbye from " + this);
     }