title: Error in Atlassian SDK
body: <p>I am currently trying to get started with the Atlassian SDK and I've installed it as it is described in the Atlassian SDK Documentation. But when I'm running a SDK-command, it doesn't work. For example, when I run the command</p>
  
  <pre><code>atlas-run-standalone --product jira
  </code></pre>
  
  <p>it fails with the following output:</p>
  
  <pre><code>Executing: "C:\Users\XXX\Programme\apache-maven-3.1.1\bin\mvn" com.atlassian.maven.plugins:maven-am
  ps-plugin:4.2.20:run-standalone -gs C:\Users\XXX\atlassian-plugin-sdk\apache-maven/conf/settings.xm
  l -Dproduct=jira
  [INFO] Scanning for projects...
  [INFO]
  [INFO] ------------------------------------------------------------------------
  [INFO] Building Maven Stub Project (No POM) 1
  [INFO] ------------------------------------------------------------------------
  [INFO]
  [INFO] --- maven-amps-plugin:4.2.20:run-standalone (default-cli) @ standalone-pom ---
  [INFO] Google Analytics Tracking is enabled to collect AMPS usage statistics.
  [INFO] Although no personal information is sent, you may disable tracking by adding &lt;allowGoogleTracking&gt;false
  &lt;/allowGoogleTracking&gt; to the amps plugin configuration in your pom.xml
  [INFO] Sending event to Google Analytics: AMPS:jira - Run Standalone
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD FAILURE
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time: 1.861s
  [INFO] Finished at: Thu Apr 24 09:32:47 CEST 2014
  [INFO] Final Memory: 16M/245M
  [INFO] ------------------------------------------------------------------------
  [ERROR] Failed to execute goal com.atlassian.maven.plugins:maven-amps-plugin:4.2.20:run-standalone (
  default-cli) on project standalone-pom: Execution default-cli of goal com.atlassian.maven.plugins:ma
  ven-amps-plugin:4.2.20:run-standalone failed: An API incompatibility was encountered while executing
  com.atlassian.maven.plugins:maven-amps-plugin:4.2.20:run-standalone: java.lang.NoSuchMethodError: o
  rg.apache.maven.execution.MavenSession.getRepositorySession()Lorg/sonatype/aether/RepositorySystemSe
  ssion;
  [ERROR] -----------------------------------------------------
  [ERROR] realm =    plugin&gt;com.atlassian.maven.plugins:maven-amps-plugin:4.2.20
  [ERROR] strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
  [ERROR] urls[0] = file:/C:/Users/XXX/.m2/repository/com/atlassian/maven/plugins/maven-amps-plugin/4
  .2.20/maven-amps-plugin-4.2.20.jar
  [ERROR] urls[1] = file:/C:/Users/XXX/.m2/repository/com/atlassian/core/atlassian-core/4.0/atlassian
  -core-4.0.jar
  # more [ERROR] urls[x] = ...
  [ERROR] urls[130] = file:/C:/Users/XXX/.m2/repository/org/twdata/maven/mojo-executor/1.5.1/mojo-exe
  cutor-1.5.1.jar
  [ERROR] Number of foreign imports: 1
  [ERROR] import: Entry[import  from realm ClassRealm[maven.api, parent: null]]
  [ERROR]
  [ERROR] -----------------------------------------------------
  [ERROR] -&gt; [Help 1]
  [ERROR]
  [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
  [ERROR] Re-run Maven using the -X switch to enable full debug logging.
  [ERROR]
  [ERROR] For more information about the errors and possible solutions, please read the following arti
  cles:
  [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginContainerException
  </code></pre>
  
  <p>Some further information to my machine:</p>
  
  <ul>
  <li>Windows 7 Professional, x64</li>
  <li>javac 1.7.0_45</li>
  <li>JAVA_HOME is set, %JAVA_HOME%/bin has been added to PATH</li>
  </ul>
  
  <p>And the information responded by the atlas-version command:</p>
  
  <pre><code>ATLAS Version:    4.2.20
  ATLAS Home:       C:\Users\XXX\atlassian-plugin-sdk
  ATLAS Scripts:    C:\Users\XXX\atlassian-plugin-sdk\bin
  ATLAS Maven Home: C:\Users\XXX\atlassian-plugin-sdk\apache-maven
  --------
  Executing: "C:\Users\XXX\Programme\apache-maven-3.1.1\bin\mvn" --versi
  n-plugin-sdk\apache-maven/conf/settings.xml
  Apache Maven 3.1.1 (0728685237757ffbf44136acec0402957f723d9a; 2013-09-1
  Maven home: C:\Users\XXX\Programme\apache-maven-3.1.1
  Java version: 1.7.0_45, vendor: Oracle Corporation
  Java home: C:\Program Files\Java\jdk1.7.0_45\jre
  Default locale: de_DE, platform encoding: Cp1252
  OS name: "windows 7", version: "6.1", arch: "amd64", family: "windows"
  </code></pre>