Changed Maven-build compiler to eclipse

CityDoctorParent/pom.xml

 <?xml version="1.0" encoding="utf-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">	<modelVersion>4.0.0</modelVersion>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="https://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
     <groupId>de.hft.stuttgart</groupId>
     <artifactId>CityDoctorParent</artifactId>
     <version>3.14.1</version>
@@ -39,6 +41,25 @@
                         </excludes>
                     </configuration>
                 </plugin>
+                <plugin>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.13.0</version>
+                    <configuration>
+                        <compilerId>eclipse</compilerId>
+                    </configuration>
+                    <dependencies>
+                        <dependency>
+                            <groupId>org.codehaus.plexus</groupId>
+                            <artifactId>plexus-compiler-eclipse</artifactId>
+                            <version>2.15.0</version>
+                        </dependency>
+                        <dependency>
+                            <groupId>org.eclipse.jdt</groupId>
+                            <artifactId>ecj</artifactId>
+                            <version>3.38.0</version>
+                        </dependency>
+                    </dependencies>
+                </plugin>
             </plugins>
         </pluginManagement>
     </build>
@@ -200,6 +221,12 @@
                 <artifactId>jakarta.xml.bind-api</artifactId>
                 <version>2.3.3</version>
             </dependency>
+            <dependency>
+                <groupId>org.codehaus.plexus</groupId>
+                <artifactId>plexus-compilers</artifactId>
+                <version>2.15.0</version>
+                <type>pom</type>
+            </dependency>
         </dependencies>
     </dependencyManagement>
     <dependencies>