Erro de plugin Maven Netbeans

Programação Java
,
#1

Estou tentando executar um projeto no netbeans e está dando o seguinte erro “org.codehaus.mojo:exec-maven-plugin:1.2.1:exec”. Pesquisei sobre o erro, e encontrei a seguinte solução: botão direito no projeto > propriedades > ações > alterar as ações que contém 1.2.1 para 1.6.0, porém, ao fazer isso o erro continua, agora na versão “org.codehaus.mojo:exec-maven-plugin:1.6.0:exec”.

Arquivo POM:

    <?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="http://maven.apache.org/POM/4.0.0 
    http://maven.apache.org/xsd/maven-4.0.0.xsd">
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.mycompany</groupId>
   <artifactId>Mainline</artifactId>
   <version>1.0-SNAPSHOT</version>
   <packaging>jar</packaging>
   <repositories>
       <repository>
    <id>unknown-jars-temp-repo</id>
    <name>A temporary repository created by NetBeans for libraries and jars it could not identify.               
   Please replace the dependencies in this repository with correct ones and delete this repository. 
   </name>
    <url>file:${project.basedir}/lib</url>
    </repository>
   </repositories>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
</properties>
<dependencies>
<!-- https://mvnrepository.com/artifact/com.github.oshi/oshi-core -->
<dependency>
    <groupId>com.github.oshi</groupId>
    <artifactId>oshi-core</artifactId>
    <version>3.8.0</version>
</dependency>
<dependency>
    <groupId>unknown.binary</groupId>
    <artifactId>AbsoluteLayout</artifactId>
    <version>SNAPSHOT</version>
</dependency>
<dependency>
    <groupId>com.microsoft.sqlserver</groupId>
    <artifactId>mssql-jdbc</artifactId>
    <version>7.0.0.jre10</version>
</dependency>
<dependency>
    <groupId>com.microsoft.sqlserver</groupId>
    <artifactId>mssql-jdbc</artifactId>
    <version>6.4.0.jre8</version>
</dependency>