diff --git a/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/parser/AbstractExpression.java b/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/parser/AbstractExpression.java
index b42b7780770..47fbfa03f75 100644
--- a/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/parser/AbstractExpression.java
+++ b/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/parser/AbstractExpression.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2018 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2023 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0 which is available at
@@ -17,6 +17,8 @@
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.LinkedList;
@@ -245,7 +247,9 @@ protected void acceptUnknownVisitor(ExpressionVisitor visitor,
 
         try {
             Method visitMethod = type.getDeclaredMethod("visit", parameterType);
-            visitMethod.setAccessible(true);
+            if (!visitMethod.isAccessible()) {
+                AccessController.doPrivileged((PrivilegedAction<Void>) () -> {visitMethod.setAccessible(true); return null;});
+            }
             visitMethod.invoke(visitor, this);
         }
         catch (NoSuchMethodException e) {
diff --git a/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/tools/DefaultSemanticValidator.java b/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/tools/DefaultSemanticValidator.java
index dfc3a629e84..d0373c92c2e 100644
--- a/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/tools/DefaultSemanticValidator.java
+++ b/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/tools/DefaultSemanticValidator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006, 2018 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 2023 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0 which is available at
@@ -46,6 +46,8 @@
 import static org.eclipse.persistence.jpa.jpql.JPQLQueryProblemMessages.UpperExpression_WrongType;
 
 import java.lang.reflect.Constructor;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -265,7 +267,9 @@ protected TypeValidator getValidator(Class<? extends TypeValidator> validatorCla
         if (validator == null) {
             try {
                 Constructor<? extends TypeValidator> constructor = validatorClass.getDeclaredConstructor(DefaultSemanticValidator.class);
-                constructor.setAccessible(true);
+                if (!constructor.isAccessible()) {
+                    AccessController.doPrivileged((PrivilegedAction<Void>) () -> {constructor.setAccessible(true); return null;});
+                }
                 validator = constructor.newInstance(this);
                 validators.put(validatorClass, validator);
             }
diff --git a/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/tools/model/query/AbstractStateObject.java b/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/tools/model/query/AbstractStateObject.java
index 2feb9190b44..b5fbade8fdc 100644
--- a/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/tools/model/query/AbstractStateObject.java
+++ b/jpa/org.eclipse.persistence.jpa.jpql/src/org/eclipse/persistence/jpa/jpql/tools/model/query/AbstractStateObject.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2011, 2018 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2023 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0 which is available at
@@ -21,6 +21,8 @@
 import java.io.IOException;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -159,7 +161,9 @@ protected void acceptUnknownVisitor(StateObjectVisitor visitor,
 
         try {
             Method visitMethod = type.getDeclaredMethod("visit", parameterType);
-            visitMethod.setAccessible(true);
+            if (!visitMethod.isAccessible()) {
+                AccessController.doPrivileged((PrivilegedAction<Void>) () -> {visitMethod.setAccessible(true); return null;});
+            }
             visitMethod.invoke(visitor, this);
         }
         catch (NoSuchMethodException e) {