try more fixes

dmp-backend/core/pom.xml

@@ -3,6 +3,11 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
+    
+    <artifactId>core</artifactId>
+    <version>${revision}</version>
+    <packaging>${packaging.type}</packaging>
+    
     <parent>
         <groupId>eu.eudat</groupId>
         <artifactId>dmp-backend</artifactId>
@@ -10,17 +15,14 @@
         <relativePath>../pom.xml</relativePath>
     </parent>
 
-    <groupId>eu.eudat</groupId>
-    <artifactId>core</artifactId>
-    <version>${revision}</version>
-    <packaging>${packaging.type}</packaging>
-
     <properties>
         <java.version>21</java.version>
+		<maven.compiler.release>21</maven.compiler.release>
 		<maven.compiler.source>21</maven.compiler.source>
 		<maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <revision>1.0.0-SNAPSHOT</revision>
+        <packaging.type>jar</packaging.type>
     </properties>
     
     <dependencies>

dmp-backend/web/pom.xml

@@ -4,7 +4,6 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <groupId>dmp-backend</groupId>
     <artifactId>web</artifactId>
     <version>${revision}</version>
     <packaging>${packaging.type}</packaging>
@@ -22,11 +21,12 @@
         <maven.compiler.source>21</maven.compiler.source>
         <maven.compiler.target>21</maven.compiler.target>
 		<revision>1.0.0-SNAPSHOT</revision>
+        <packaging.type>jar</packaging.type>
 	</properties>
 
     <dependencies>
         <dependency>
-            <groupId>eu.eudat</groupId>
+            <!-- <groupId>eu.eudat</groupId> -->
             <artifactId>core</artifactId>
             <version>${revision}</version>
         </dependency>