NullPointerException loading Swagger UI since SpringDoc 1.5.6 until the current 1.5.9. Fixes #1171.

Author: bnasslahsen

springdoc-openapi-data-rest/src/main/java/org/springdoc/data/rest/utils/SpringDocDataRestUtils.java

@@ -414,8 +414,9 @@ private List<String> getIgnoredFields(ResourceMetadata
 	 * @param content the content
 	 */
 	public void buildTextUriContent(Content content) {
-		content.computeIfPresent(RestMediaTypes.TEXT_URI_LIST_VALUE,
-				(key, value) -> new MediaType().schema(new StringSchema()));
+		if (content != null)
+			content.computeIfPresent(RestMediaTypes.TEXT_URI_LIST_VALUE,
+					(key, value) -> new MediaType().schema(new StringSchema()));
 	}
 
 }

springdoc-openapi-data-rest/src/test/java/test/org/springdoc/api/app26/PersonRepository.java

@@ -25,6 +25,7 @@
 
 import java.util.List;
 
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.PagingAndSortingRepository;
 import org.springframework.data.repository.query.Param;
 import org.springframework.data.rest.core.annotation.RepositoryRestResource;
@@ -34,4 +35,7 @@ public interface PersonRepository extends PagingAndSortingRepository<Person, Lon
 
 	List<Person> findByLastName(@Param("name") String name);
 
+	@Query(value = "select 1 from dual", nativeQuery = true)
+	void testQuery();
+
 }

springdoc-openapi-data-rest/src/test/resources/results/app26.json

@@ -139,6 +139,22 @@
         }
       }
     },
+    "/peopleme/search/testQuery": {
+      "get": {
+        "tags": [
+          "person-search-controller"
+        ],
+        "operationId": "executeSearch-person-get_1",
+        "responses": {
+          "200": {
+            "description": "OK"
+          },
+          "404": {
+            "description": "Not Found"
+          }
+        }
+      }
+    },
     "/peopleme/{id}": {
       "get": {
         "tags": [