Polishing

spring-expression/src/main/java/org/springframework/expression/spel/ast/Elvis.java

@@ -51,7 +51,7 @@ public class Elvis extends SpelNodeImpl {
 	 * null-safe operator.
 	 * @since 7.1
 	 */
-	private @Nullable String unwrappedOptionalDescriptor;
+	private volatile @Nullable String unwrappedOptionalDescriptor;
 
 
 	public Elvis(int startPos, int endPos, SpelNodeImpl... args) {

spring-expression/src/main/java/org/springframework/expression/spel/ast/Indexer.java

@@ -108,7 +108,7 @@ public class Indexer extends SpelNodeImpl {
 
 	private final boolean nullSafe;
 
-	private @Nullable IndexedType indexedType;
+	private volatile @Nullable IndexedType indexedType;
 
 	private volatile @Nullable String originalPrimitiveExitTypeDescriptor;
 

spring-expression/src/main/java/org/springframework/expression/spel/ast/MethodReference.java

@@ -75,7 +75,7 @@ public class MethodReference extends SpelNodeImpl {
 
 	private final String name;
 
-	private @Nullable Character originalPrimitiveExitTypeDescriptor;
+	private volatile @Nullable Character originalPrimitiveExitTypeDescriptor;
 
 	/**
 	 * Tracks whether an {@link Optional} was unwrapped in
@@ -84,7 +84,7 @@ public class MethodReference extends SpelNodeImpl {
 	 * compiled expression.
 	 * @since 7.1
 	 */
-	private boolean unwrapOptional;
+	private volatile boolean unwrapOptional;
 
 	private volatile @Nullable CachedMethodExecutor cachedExecutor;
 

spring-expression/src/main/java/org/springframework/expression/spel/ast/PropertyOrFieldReference.java

@@ -70,7 +70,7 @@ public class PropertyOrFieldReference extends SpelNodeImpl {
 
 	private final String name;
 
-	private @Nullable String originalPrimitiveExitTypeDescriptor;
+	private volatile @Nullable String originalPrimitiveExitTypeDescriptor;
 
 	/**
 	 * Tracks whether an {@link Optional} was unwrapped in
@@ -78,7 +78,7 @@ public class PropertyOrFieldReference extends SpelNodeImpl {
 	 * null-safe operator and therefore needs to be unwrapped in a compiled expression.
 	 * @since 7.1
 	 */
-	private boolean unwrapOptional;
+	private volatile boolean unwrapOptional;
 
 	private volatile @Nullable PropertyAccessor cachedReadAccessor;