diff --git a/orbmain/src/main/java/com/sun/corba/ee/impl/io/IIOPInputStream.java b/orbmain/src/main/java/com/sun/corba/ee/impl/io/IIOPInputStream.java
index 6c2d65e483..9bde99cb69 100644
--- a/orbmain/src/main/java/com/sun/corba/ee/impl/io/IIOPInputStream.java
+++ b/orbmain/src/main/java/com/sun/corba/ee/impl/io/IIOPInputStream.java
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2026 Contributors to the Eclipse Foundation.
  * Copyright (c) 1997, 2020 Oracle and/or its affiliates.
  * Copyright (c) 1998-1999 IBM Corp. All rights reserved.
  *
@@ -1826,43 +1827,59 @@ private void inputPrimitiveField(Object o, Class<?> cl,
             switch (field.getTypeCode()) {
                 case 'B':
                     byte byteValue = orbStream.read_octet();
-                    bridge.putByte( o, field.getFieldID(), byteValue ) ;
-                    //reflective code: field.getField().setByte( o, byteValue ) ;
+                    if (field.getField() != null) {
+                        bridge.putByte(o, field.getFieldID(), byteValue);
+                        //reflective code: field.getField().setByte( o, byteValue ) ;
+                    }
                     break;
                 case 'Z':
                     boolean booleanValue = orbStream.read_boolean();
-                    bridge.putBoolean( o, field.getFieldID(), booleanValue ) ;
-                    //reflective code: field.getField().setBoolean( o, booleanValue ) ;
+                    if (field.getField() != null) {
+                        bridge.putBoolean(o, field.getFieldID(), booleanValue);
+                        //reflective code: field.getField().setBoolean( o, booleanValue ) ;
+                    }
                     break;
                 case 'C':
                     char charValue = orbStream.read_wchar();
-                    bridge.putChar( o, field.getFieldID(), charValue ) ;
-                    //reflective code: field.getField().setChar( o, charValue ) ;
+                    if (field.getField() != null) {
+                        bridge.putChar(o, field.getFieldID(), charValue);
+                        //reflective code: field.getField().setChar( o, charValue ) ;
+                    }
                     break;
                 case 'S':
                     short shortValue = orbStream.read_short();
-                    bridge.putShort( o, field.getFieldID(), shortValue ) ;
-                    //reflective code: field.getField().setShort( o, shortValue ) ;
+                    if (field.getField() != null) {
+                        bridge.putShort(o, field.getFieldID(), shortValue);
+                        //reflective code: field.getField().setShort( o, shortValue ) ;
+                    }
                     break;
                 case 'I':
                     int intValue = orbStream.read_long();
-                    bridge.putInt( o, field.getFieldID(), intValue ) ;
-                    //reflective code: field.getField().setInt( o, intValue ) ;
+                    if (field.getField() != null) {
+                        bridge.putInt(o, field.getFieldID(), intValue);
+                        //reflective code: field.getField().setInt( o, intValue ) ;
+                    }
                     break;
                 case 'J':
                     long longValue = orbStream.read_longlong();
-                    bridge.putLong( o, field.getFieldID(), longValue ) ;
-                    //reflective code: field.getField().setLong( o, longValue ) ;
+                    if (field.getField() != null) {
+                        bridge.putLong(o, field.getFieldID(), longValue);
+                        //reflective code: field.getField().setLong( o, longValue ) ;
+                    }
                     break;
                 case 'F' :
                     float floatValue = orbStream.read_float();
-                    bridge.putFloat( o, field.getFieldID(), floatValue ) ;
-                    //reflective code: field.getField().setFloat( o, floatValue ) ;
+                    if (field.getField() != null) {
+                        bridge.putFloat(o, field.getFieldID(), floatValue);
+                        //reflective code: field.getField().setFloat( o, floatValue ) ;
+                    }
                     break;
                 case 'D' :
                     double doubleValue = orbStream.read_double();
-                    bridge.putDouble( o, field.getFieldID(), doubleValue ) ;
-                    //reflective code: field.getField().setDouble( o, doubleValue ) ;
+                    if (field.getField() != null) {
+                        bridge.putDouble(o, field.getFieldID(), doubleValue);
+                        //reflective code: field.getField().setDouble( o, doubleValue ) ;
+                    }
                     break;
                 default:
                     throw Exceptions.self.invalidClassForPrimitive(
@@ -2308,10 +2325,6 @@ private void inputClassFields(Object o, Class<?> cl,
         if (o != null) {
             for (int i = 0; i < primFields; ++i) {
                 OperationTracer.readingField( fields[i].getName() ) ;
-                if (fields[i].getField() == null) {
-                    continue;
-                }
-
                 inputPrimitiveField(o, cl, fields[i]);
             }
         }