deploying

pom.xml

@@ -9,8 +9,8 @@
     <url>http://maven.apache.org</url>
 
     <properties>
-        <maven.compiler.source>20</maven.compiler.source>
-        <maven.compiler.target>20</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
     </properties>
 
     <dependencies>
@@ -65,36 +65,6 @@
 
     <build>
         <finalName>Online-Voting-System</finalName>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-war-plugin</artifactId>
-                <version>3.3.1</version>
-            </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-dependency-plugin</artifactId>
-                <version>2.3</version>
-                <executions>
-                    <execution>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>copy</goal>
-                        </goals>
-                        <configuration>
-                            <artifactItems>
-                                <artifactItem>
-                                    <groupId>com.heroku</groupId>
-                                    <artifactId>webapp-runner</artifactId>
-                                    <version>9.0.75.0</version>
-                                    <destFileName>webapp-runner.jar</destFileName>
-                                </artifactItem>
-                            </artifactItems>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
-        </plugins>
     </build>
 
 </project>

system.properties

@@ -1 +1 @@
-java.runtime.version=20
+java.runtime.version=17