Alfresco maven sdk error
<p>I am new to alfresco, activity and maven.I want to design activiti workflow using Eclipse Mars 4.5.0. But i have to set alfresco maven sdk first. There is Alfresco Maven sdk error is given below. Any help will be appreciated.</p>

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<p>pom.ml file is given below.</p>

<p>POM.XML:</p>

<pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
&lt;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/maven-v4_0_0.xsd"&gt;
    &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;
    &lt;groupId&gt;workflowProcess&lt;/groupId&gt;
    &lt;artifactId&gt;worflowProcessAr&lt;/artifactId&gt;
    &lt;version&gt;1.0-SNAPSHOT&lt;/version&gt;
    &lt;name&gt;worflowProcessAr AMP project&lt;/name&gt;
    &lt;packaging&gt;amp&lt;/packaging&gt;
    &lt;description&gt;Manages the lifecycle of the worflowProcessAr AMP (Alfresco Module Package)&lt;/description&gt;

    &lt;parent&gt;
        &lt;groupId&gt;org.alfresco.maven&lt;/groupId&gt;
        &lt;artifactId&gt;alfresco-sdk-parent&lt;/artifactId&gt;
        &lt;version&gt;1.1.1&lt;/version&gt;
    &lt;/parent&gt;

    &lt;!-- 
       | SDK properties have sensible defaults in the SDK parent,
       | but you can override the properties below to use another version. 
       | For more available properties see the alfresco-sdk-parent POM. 
       --&gt;
    &lt;properties&gt;
        &lt;!-- Defines the alfresco edition to compile against. Allowed values are [org.alfresco|org.alfresco.enterprise]--&gt; 
        &lt;alfresco.groupId&gt;org.alfresco&lt;/alfresco.groupId&gt;
        &lt;!-- Defines the alfresco version to compile against --&gt;
        &lt;alfresco.version&gt;4.2.e&lt;/alfresco.version&gt;
        &lt;app.log.root.level&gt;WARN&lt;/app.log.root.level&gt;
        &lt;alfresco.data.location&gt;alf_data_dev&lt;/alfresco.data.location&gt;
        &lt;!-- Defines the target WAR artifactId to run this amp, only used with the -Pamp-to-war switch
        .    | Allowed values: alfresco | share. Defaults to a repository AMP, but could point to your foundation WAR --&gt;
        &lt;alfresco.client.war&gt;alfresco&lt;/alfresco.client.war&gt;
        &lt;!-- Defines the target WAR groupId to run this amp, only used with the -Pamp-to-war switch
        .    | Could be org.alfresco | org.alfresco.enterprise or your corporate groupId --&gt;
        &lt;alfresco.client.war.groupId&gt;org.alfresco&lt;/alfresco.client.war.groupId&gt;
        &lt;!-- Defines the target WAR version to run this amp, only used with the -Pamp-to-war switch --&gt;
        &lt;alfresco.client.war.version&gt;4.2.e&lt;/alfresco.client.war.version&gt;
        &lt;!-- This controls which properties will be picked in src/test/properties for embedded run --&gt;
        &lt;env&gt;local&lt;/env&gt;
    &lt;/properties&gt;

    &lt;!-- Here we realize the connection with the Alfresco selected platform 
        (e.g.version and edition) --&gt;
    &lt;dependencyManagement&gt;
        &lt;dependencies&gt;
            &lt;!-- This will import the dependencyManagement for all artifacts in the selected Alfresco version/edition
                (see http://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#Importing_Dependencies) 
                NOTE: You still need to define dependencies in your POM, but you can omit version as it's enforced by this dependencyManagement. NOTE: It defaults 
                to the latest version this SDK pom has been tested with, but alfresco version can/should be overridden in your project's pom --&gt;
            &lt;dependency&gt;
                &lt;groupId&gt;${alfresco.groupId}&lt;/groupId&gt;
                &lt;artifactId&gt;alfresco-platform-distribution&lt;/artifactId&gt;
                &lt;version&gt;${alfresco.version}&lt;/version&gt;
                &lt;type&gt;pom&lt;/type&gt;
                &lt;scope&gt;import&lt;/scope&gt;
            &lt;/dependency&gt;
        &lt;/dependencies&gt;
    &lt;/dependencyManagement&gt;
    &lt;!-- Following dependencies are needed for compiling Java code in src/main/java; 
         &lt;scope&gt;provided&lt;/scope&gt; is inherited for each of the following; 
         for more info, please refer to alfresco-platform-distribution POM --&gt;
    &lt;dependencies&gt;
        &lt;dependency&gt;
            &lt;groupId&gt;${alfresco.groupId}&lt;/groupId&gt;
            &lt;artifactId&gt;alfresco-repository&lt;/artifactId&gt;
        &lt;/dependency&gt;
        &lt;!-- Test dependencies --&gt;
        &lt;dependency&gt;
            &lt;groupId&gt;junit&lt;/groupId&gt;
            &lt;artifactId&gt;junit&lt;/artifactId&gt;
            &lt;version&gt;4.8.1&lt;/version&gt;
            &lt;scope&gt;test&lt;/scope&gt;
        &lt;/dependency&gt;
    &lt;/dependencies&gt;

    &lt;!-- This repository is only needed to retrieve Alfresco parent POM. 
        NOTE: This can be removed when/if Alfresco will be on Maven Central 

        NOTE: The repository to be used for Alfresco Enterprise artifacts is
        https://artifacts.alfresco.com/nexus/content/groups/private/. Please check
        with Alfresco Support to get credentials to add to your ~/.m2/settings.xml
        if you are a Enterprise customer or Partner  
        --&gt;
    &lt;repositories&gt;
        &lt;repository&gt;
            &lt;id&gt;alfresco-public&lt;/id&gt;
            &lt;url&gt;https://artifacts.alfresco.com/nexus/content/groups/public&lt;/url&gt;
        &lt;/repository&gt;
        &lt;repository&gt;
            &lt;id&gt;alfresco-public-snapshots&lt;/id&gt;
            &lt;url&gt;https://artifacts.alfresco.com/nexus/content/groups/public-snapshots&lt;/url&gt;
            &lt;snapshots&gt;
                &lt;enabled&gt;true&lt;/enabled&gt;
                &lt;updatePolicy&gt;daily&lt;/updatePolicy&gt;
            &lt;/snapshots&gt;
        &lt;/repository&gt;
    &lt;/repositories&gt;
&lt;/project&gt;
</code></pre>