Fix wrong "public-key-location" configuration key

See gh-46627

Signed-off-by: Yanming Zhou <[email protected]>

Author: quaff

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/security/oauth2/resource/OAuth2ResourceServerProperties.java

@@ -36,6 +36,7 @@
  * @author Artsiom Yudovin
  * @author Mushtaq Ahmed
  * @author Yan Kardziyaka
+ * @author Yanming Zhou
  * @since 2.1.0
  */
 @ConfigurationProperties(prefix = "spring.security.oauth2.resourceserver")
@@ -174,7 +175,7 @@ public void setPrincipalClaimName(String principalClaimName) {
 		}
 
 		public String readPublicKey() throws IOException {
-			String key = "spring.security.oauth2.resourceserver.public-key-location";
+			String key = "spring.security.oauth2.resourceserver.jwt.public-key-location";
 			Assert.notNull(this.publicKeyLocation, "PublicKeyLocation must not be null");
 			if (!this.publicKeyLocation.exists()) {
 				throw new InvalidConfigurationPropertyValueException(key, this.publicKeyLocation,