HHH-19964 Fixup type check in AbstractJsonFormatMapper#toString

beikov · beikov · commit 4c42ff2d1b91 · 2025-12-16T13:10:57.000+01:00
diff --git a/hibernate-core/src/main/java/org/hibernate/type/format/AbstractJsonFormatMapper.java b/hibernate-core/src/main/java/org/hibernate/type/format/AbstractJsonFormatMapper.java
@@ -27,7 +27,7 @@ public final <T> T fromString(CharSequence charSequence, JavaType<T> javaType, W
 	@Override
 	public final <T> String toString(T value, JavaType<T> javaType, WrapperOptions wrapperOptions) {
 		final Type type = javaType.getJavaType();
-		if ( value instanceof String ) {
+		if ( type == String.class ) {
 			return (String) value;
 		}
 		return toString( value, type );

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,7 @@ public final <T> T fromString(CharSequence charSequence, JavaType<T> javaType, W`
`27`	`27`	`@Override`
`28`	`28`	`public final <T> String toString(T value, JavaType<T> javaType, WrapperOptions wrapperOptions) {`
`29`	`29`	`final Type type = javaType.getJavaType();`
`30`		`- if ( value instanceof String ) {`
	`30`	`+ if ( type == String.class ) {`
`31`	`31`	`return (String) value;`
`32`	`32`	`}`
`33`	`33`	`return toString( value, type );`