Optimierung: Maven- und POM-Hygiene gebündelt bereinigt

pom.xml

@@ -18,8 +18,6 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<maven.compiler.release>21</maven.compiler.release>
-		<maven.compiler.source>21</maven.compiler.source>
-		<maven.compiler.target>21</maven.compiler.target>
 
 		<!-- Library versions -->
 		<log4j.version>2.23.1</log4j.version>
@@ -32,6 +30,7 @@
 		<!-- Plugin versions -->
 		<maven-compiler-plugin.version>3.13.0</maven-compiler-plugin.version>
 		<maven-surefire-plugin.version>3.2.5</maven-surefire-plugin.version>
+		<maven-failsafe-plugin.version>3.2.5</maven-failsafe-plugin.version>
 		<maven-enforcer-plugin.version>3.4.1</maven-enforcer-plugin.version>
 		<maven-shade-plugin.version>3.6.0</maven-shade-plugin.version>
 		<jacoco-maven-plugin.version>0.8.14</jacoco-maven-plugin.version>
@@ -115,7 +114,7 @@
 					<artifactId>maven-compiler-plugin</artifactId>
 					<version>${maven-compiler-plugin.version}</version>
 					<configuration>
-						<release>21</release>
+						<release>${maven.compiler.release}</release>
 					</configuration>
 				</plugin>
 				<plugin>
@@ -123,6 +122,11 @@
 					<artifactId>maven-surefire-plugin</artifactId>
 					<version>${maven-surefire-plugin.version}</version>
 				</plugin>
+				<plugin>
+					<groupId>org.apache.maven.plugins</groupId>
+					<artifactId>maven-failsafe-plugin</artifactId>
+					<version>${maven-failsafe-plugin.version}</version>
+				</plugin>
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-enforcer-plugin</artifactId>