I have the following code.

I am trying to create a 'pom.xml' file for a bukkit plugin (Minecraft) using Maven.

However, this gives me the error: 'The POM for org.apache.maven.plugins:maven-compiler-plugin:jar:3.8.6 is missing'.

I have tried to trouble shoot a few different solutions but haven't been successful in any.

I would be so grateful for a helping hand!

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>newestfile.here</groupId>
  <artifactId>newestplugin</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <build>
    <pluginManagement>
      <plugins>
        <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-compiler-plugin</artifactId>
              <version>3.8.6</version>       
              <configuration>
                  <source>19</source>
                  <target>19</target>
              </configuration>   
        </plugin>
      </plugins>
    </pluginManagement>

CodePudding user response：

The source and target look wrong, are you sure they shouldn't be 1.8? That is the only number I see listed. Double check that and try running mvn compile and see if that didn't fix it.

CodePudding user response：

I changed the version to 3.10.1 and the target to 17 as follows, and the code successfully ran:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>newestfile.here</groupId>
  <artifactId>newestplugin</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <build>
    <pluginManagement>
      <plugins>
        <plugin>
              <groupId>org.apache.maven.plugins</groupId>
              <artifactId>maven-compiler-plugin</artifactId>
              <version>3.10.1</version>       
              <configuration>
                  <source>17</source>
                  <target>17</target>
              </configuration>   
        </plugin>
      </plugins>
    </pluginManagement>
</build>
   <repositories>
       <repository>
         <id>spigot-repo</id>
         <url>https://hub.spigotmc.org/nexus/content/repositories/public/</url>
       </repository>
   </repositories>
      <dependencies>
       <dependency>
           <groupId>org.spigotmc</groupId>
           <artifactId>spigot-api</artifactId>
           <version>1.16.5-R0.1-SNAPSHOT</version><!--change this value depending on the version or use LATEST-->
           <type>jar</type>
           <scope>provided</scope>
       </dependency>
   </dependencies>
</project>

Thanks so much for all your help!

CodePudding user response：

maven-compiler-plugin doesn't have 3.8.6 version. You need to choose some other version. Here is the available version list https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-compiler-plugin.