fix findBy multiple results

pom.xml

@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>de.champonthis</groupId>
   <artifactId>abi</artifactId>
-  <version>0.2.6</version>
+  <version>0.2.7</version>
   <name>abi</name>
 
   <parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
-    <version>3.5.6</version>
+    <version>3.5.7</version>
     <relativePath/>
   </parent>
 

src/main/java/de/champonthis/abi/buisinesslogic/ContactManager.java

@@ -46,7 +46,7 @@ public class ContactManager {
                     while ((line = reader.readLine()) != null) {
                         line = line.trim();
                         if (StringUtils.isNoneEmpty(line) && !line.startsWith("#")
-                                && contactRepository.findByName(line).isEmpty()) {
+                                && contactRepository.findFirstByName(line).isEmpty()) {
                             Contact contact = new Contact();
                             String[] nameParts = line.split(";");
                             contact.setName(nameParts[0]);
@@ -75,7 +75,7 @@ public class ContactManager {
     }
 
     public Contact findByName(String name) {
-        return contactRepository.findByName(name).orElse(null);
+        return contactRepository.findFirstByName(name).orElse(null);
     }
 
     public Contact findByToken(String token) {

src/main/java/de/champonthis/abi/repository/ContactRepository.java

@@ -10,7 +10,7 @@ import de.champonthis.abi.entity.Contact;
 @Repository
 public interface ContactRepository extends JpaRepository<Contact, Long> {
 
-    Optional<Contact> findByName(String name);
+    Optional<Contact> findFirstByName(String name);
 
     Optional<Contact> findByToken(String token);
 }