diff --git a/core/src/main/java/com/opensymphony/xwork2/interceptor/ValidationAware.java b/core/src/main/java/com/opensymphony/xwork2/interceptor/ValidationAware.java
index c959f19d77..aa9e6f5ff4 100644
--- a/core/src/main/java/com/opensymphony/xwork2/interceptor/ValidationAware.java
+++ b/core/src/main/java/com/opensymphony/xwork2/interceptor/ValidationAware.java
@@ -18,9 +18,89 @@
  */
 package com.opensymphony.xwork2.interceptor;
 
+import java.util.Collection;
+import java.util.List;
+import java.util.Map;
+
 /**
  * @deprecated since 6.7.0, use {@link org.apache.struts2.interceptor.ValidationAware} instead.
  */
 @Deprecated
 public interface ValidationAware extends org.apache.struts2.interceptor.ValidationAware {
+
+    static ValidationAware adapt(org.apache.struts2.interceptor.ValidationAware actualValidation) {
+        if (actualValidation instanceof ValidationAware) {
+            return (ValidationAware) actualValidation;
+        }
+        return actualValidation != null ? new LegacyAdapter(actualValidation) : null;
+    }
+
+    class LegacyAdapter implements ValidationAware {
+
+        private final org.apache.struts2.interceptor.ValidationAware adaptee;
+
+        private LegacyAdapter(org.apache.struts2.interceptor.ValidationAware adaptee) {
+            this.adaptee = adaptee;
+        }
+
+        @Override
+        public void setActionErrors(Collection<String> errorMessages) {
+            adaptee.setActionErrors(errorMessages);
+        }
+
+        @Override
+        public Collection<String> getActionErrors() {
+            return adaptee.getActionErrors();
+        }
+
+        @Override
+        public void setActionMessages(Collection<String> messages) {
+            adaptee.setActionMessages(messages);
+        }
+
+        @Override
+        public Collection<String> getActionMessages() {
+            return adaptee.getActionMessages();
+        }
+
+        @Override
+        public void setFieldErrors(Map<String, List<String>> errorMap) {
+            adaptee.setFieldErrors(errorMap);
+        }
+
+        @Override
+        public Map<String, List<String>> getFieldErrors() {
+            return adaptee.getFieldErrors();
+        }
+
+        @Override
+        public void addActionError(String anErrorMessage) {
+            adaptee.addActionError(anErrorMessage);
+        }
+
+        @Override
+        public void addActionMessage(String aMessage) {
+            adaptee.addActionMessage(aMessage);
+        }
+
+        @Override
+        public void addFieldError(String fieldName, String errorMessage) {
+            adaptee.addFieldError(fieldName, errorMessage);
+        }
+
+        @Override
+        public boolean hasActionErrors() {
+            return adaptee.hasActionErrors();
+        }
+
+        @Override
+        public boolean hasActionMessages() {
+            return adaptee.hasActionMessages();
+        }
+
+        @Override
+        public boolean hasFieldErrors() {
+            return adaptee.hasFieldErrors();
+        }
+    }
 }
diff --git a/core/src/main/java/com/opensymphony/xwork2/util/DebugUtils.java b/core/src/main/java/com/opensymphony/xwork2/util/DebugUtils.java
index 3fdf8b0a70..ff7042b596 100644
--- a/core/src/main/java/com/opensymphony/xwork2/util/DebugUtils.java
+++ b/core/src/main/java/com/opensymphony/xwork2/util/DebugUtils.java
@@ -19,8 +19,8 @@
 package com.opensymphony.xwork2.util;
 
 import com.opensymphony.xwork2.TextProvider;
-import com.opensymphony.xwork2.interceptor.ValidationAware;
 import org.apache.logging.log4j.Logger;
+import org.apache.struts2.interceptor.ValidationAware;
 
 /**
  * @since 6.5.0
diff --git a/core/src/main/java/com/opensymphony/xwork2/validator/DelegatingValidatorContext.java b/core/src/main/java/com/opensymphony/xwork2/validator/DelegatingValidatorContext.java
index bc8c88875c..b0b41e7196 100644
--- a/core/src/main/java/com/opensymphony/xwork2/validator/DelegatingValidatorContext.java
+++ b/core/src/main/java/com/opensymphony/xwork2/validator/DelegatingValidatorContext.java
@@ -18,13 +18,23 @@
  */
 package com.opensymphony.xwork2.validator;
 
-import com.opensymphony.xwork2.*;
+import com.opensymphony.xwork2.ActionContext;
+import com.opensymphony.xwork2.CompositeTextProvider;
+import com.opensymphony.xwork2.LocaleProvider;
+import com.opensymphony.xwork2.LocaleProviderFactory;
+import com.opensymphony.xwork2.StrutsTextProviderFactory;
+import com.opensymphony.xwork2.TextProvider;
+import com.opensymphony.xwork2.TextProviderFactory;
 import com.opensymphony.xwork2.interceptor.ValidationAware;
 import com.opensymphony.xwork2.util.ValueStack;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-import java.util.*;
+import java.util.Collection;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.ResourceBundle;
 
 /**
  * A default implementation of the {@link ValidatorContext} interface.
@@ -233,8 +243,8 @@ protected static LocaleProvider makeLocaleProvider(Object object) {
     }
 
     protected static ValidationAware makeValidationAware(Object object) {
-        if (object instanceof ValidationAware) {
-            return (ValidationAware) object;
+        if (object instanceof org.apache.struts2.interceptor.ValidationAware) {
+            return ValidationAware.adapt((org.apache.struts2.interceptor.ValidationAware) object);
         } else {
             return new LoggingValidationAware(object);
         }
diff --git a/core/src/main/java/org/apache/struts2/interceptor/TokenInterceptor.java b/core/src/main/java/org/apache/struts2/interceptor/TokenInterceptor.java
index c6859d05ba..b67ef6422d 100644
--- a/core/src/main/java/org/apache/struts2/interceptor/TokenInterceptor.java
+++ b/core/src/main/java/org/apache/struts2/interceptor/TokenInterceptor.java
@@ -21,7 +21,6 @@
 import com.opensymphony.xwork2.ActionInvocation;
 import com.opensymphony.xwork2.TextProvider;
 import com.opensymphony.xwork2.TextProviderFactory;
-import com.opensymphony.xwork2.interceptor.ValidationAware;
 import com.opensymphony.xwork2.inject.Inject;
 import com.opensymphony.xwork2.interceptor.MethodFilterInterceptor;
 import org.apache.logging.log4j.LogManager;
diff --git a/plugins/junit/src/main/java/org/apache/struts2/junit/StrutsJUnit4TestCase.java b/plugins/junit/src/main/java/org/apache/struts2/junit/StrutsJUnit4TestCase.java
index ee486d6cc9..93a08e3996 100644
--- a/plugins/junit/src/main/java/org/apache/struts2/junit/StrutsJUnit4TestCase.java
+++ b/plugins/junit/src/main/java/org/apache/struts2/junit/StrutsJUnit4TestCase.java
@@ -22,7 +22,6 @@
 import com.opensymphony.xwork2.ActionProxy;
 import com.opensymphony.xwork2.ActionProxyFactory;
 import com.opensymphony.xwork2.config.Configuration;
-import com.opensymphony.xwork2.interceptor.ValidationAware;
 import com.opensymphony.xwork2.interceptor.annotations.After;
 import com.opensymphony.xwork2.interceptor.annotations.Before;
 import org.apache.commons.lang3.StringUtils;
@@ -31,6 +30,7 @@
 import org.apache.struts2.dispatcher.HttpParameters;
 import org.apache.struts2.dispatcher.mapper.ActionMapper;
 import org.apache.struts2.dispatcher.mapper.ActionMapping;
+import org.apache.struts2.interceptor.ValidationAware;
 import org.apache.struts2.util.StrutsTestCaseHelper;
 import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.mock.web.MockHttpServletRequest;