mvn package error

[zeena-97]

im trying to follow the instruction in this site (https://sdnwiselab.github.io/docs/guides/GetStarted.html) to install sdn controller on cooja

### but im getting the following error while creating (mvn package)

Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-resources-plugin/2.3/maven-resources-plugin-2.3.pom [WARNING] Unable to get resource 'org.apache.maven.plugins:maven-resources-plugin:pom:2.3' from repository central (http://repo1.maven.org/maven2): Error transferring file: Server returned HTTP response code: 501 for URL: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-resources-plugin/2.3/maven-resources-plugin-2.3.pom Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-resources-plugin/2.3/maven-resources-plugin-2.3.pom [WARNING] Unable to get resource 'org.apache.maven.plugins:maven-resources-plugin:pom:2.3' from repository central (http://repo1.maven.org/maven2): Error transferring file: Server returned HTTP response code: 501 for URL: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-resources-plugin/2.3/maven-resources-plugin-2.3.pom [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Error building POM (may not be this project's POM).

### this is my pom.xml

4.0.0

<groupId>com.github.sdnwiselab</groupId>
<artifactId>01-GetStarted</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>jar</packaging>

<name>01-GetStarted</name>
<description>The stateful Software Defined Networking solution for WIreless SEnsor Networks</description>
<url>http://sdn-wise.dieei.unict.it</url>   
<inceptionYear>2014</inceptionYear>

<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>
    <netbeans.hint.license>gpl30</netbeans.hint.license>
    <fully.qualified.main.class>com.github.sdnwiselab.sdnwise.loader.SdnWise</fully.qualified.main.class>
</properties>

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-release-plugin</artifactId>
            <version>2.5.2</version>
        </plugin>
        
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-deploy-plugin</artifactId>
            <version>2.8.2</version>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-jar-plugin</artifactId>
            <version>2.6</version>
        </plugin>
        <plugin>
            <artifactId>maven-assembly-plugin</artifactId>
            <version>2.5.5</version>
            <executions>
                <execution>
                    <id>build</id>
                    <configuration>
                        <archive>
                    <manifest>
                        <mainClass>${fully.qualified.main.class}</mainClass>
                    </manifest>
                </archive>
                        <appendAssemblyId>true</appendAssemblyId>
                        <descriptorRefs>
                            <descriptorRef>jar-with-dependencies</descriptorRef>
                        </descriptorRefs>
                        <finalName>${project.artifactId}</finalName>
                        <appendAssemblyId>false</appendAssemblyId>
                    </configuration>
                    <phase>package</phase>
                    <goals>
                        <goal>single</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

<dependencies>
    <dependency>
        <groupId>com.github.sdnwiselab</groupId>
        <artifactId>sdn-wise-api</artifactId>
        <version>3.0.6</version>
    </dependency>
    <dependency>
        <groupId>com.google.code.gson</groupId>
        <artifactId>gson</artifactId>
        <version>2.3.1</version>
    </dependency>
    <dependency>
        <groupId>org.graphstream</groupId>
        <artifactId>gs-core</artifactId>
        <version>1.3</version>
    </dependency>
    <dependency>
        <groupId>com.sun.jersey</groupId>
        <artifactId>jersey-bundle</artifactId>
        <version>1.19</version>
    </dependency>
    <dependency>
        <groupId>net.jodah</groupId>
        <artifactId>expiringmap</artifactId>
        <version>0.4.3</version>
    </dependency>
    <dependency>
        <groupId>org.graphstream</groupId>
        <artifactId>gs-ui</artifactId>
        <version>1.3</version>
    </dependency>
</dependencies>