title: Unresolved dependecies when changing from Grails 2.1.1 to Grails 2.4.4
body: <p>I have imported a project in Eclipse (GGTS) based on Grails 2.1.1 and need to update it to version 2.4.4. I am using Windows 7 with a 32 bit-Eclipse version (Kepler).</p>
  
  <p>When checking the dependencies, I am getting the following errors:</p>
  
  <pre><code>    Starting process on CARMBEL11628/10.113.134.246
  Loading Grails 2.4.4
  |Configuring classpath
  |Downloading: D:\Programme\grails-2.4.4\plugins\tomcat-7.0.55.pom
  |Downloading: D:\Programme\grails-2.4.4\plugins\tomcat-7.0.55.zip
  :: problems summary ::
  :::: WARNINGS
      Host repo.grails.org not found. url=https://repo.grails.org/grails/plugins/org/grails/plugins/tomcat/7.0.55/tomcat-7.0.55-sources.jar
      Host repo1.maven.org not found. url=http://repo1.maven.org/maven2/org/grails/plugins/tomcat/7.0.55/tomcat-7.0.55-sources.jar
      Host repo.grails.org not found. url=https://repo.grails.org/grails/plugins/org/grails/plugins/tomcat/7.0.55/tomcat-7.0.55-src.jar
      Host repo1.maven.org not found. url=http://repo1.maven.org/maven2/org/grails/plugins/tomcat/7.0.55/tomcat-7.0.55-src.jar
      Host repo.grails.org not found. url=https://repo.grails.org/grails/plugins/org/grails/plugins/tomcat/7.0.55/tomcat-7.0.55-javadoc.jar
      Host repo1.maven.org not found. url=http://repo1.maven.org/maven2/org/grails/plugins/tomcat/7.0.55/tomcat-7.0.55-javadoc.jar
      Host repo.grails.org not found. url=https://repo.grails.org/grails/plugins/org/apache/tomcat/embed/tomcat-embed-core/7.0.55/tomcat-embed-core-7.0.55.pom
      Host repo.grails.org not found. url=https://repo.grails.org/grails/plugins/org/apache/tomcat/embed/tomcat-embed-core/7.0.55/tomcat-embed-core-7.0.55.jar
      Host repo1.maven.org not found. url=http://repo1.maven.org/maven2/org/apache/tomcat/embed/tomcat-embed-core/7.0.55/tomcat-embed-core-7.0.55.pom
      Host repo1.maven.org not found. url=http://repo1.maven.org/maven2/org/apache/tomcat/embed/tomcat-embed-core/7.0.55/tomcat-embed-core-7.0.55.jar
          module not found: org.apache.tomcat.embed#tomcat-embed-core;7.0.55
      ==== grailsPlugins: tried
  </code></pre>
  
  <p>....</p>
  
  <pre><code>        ==== mavenCentral: tried
        http://repo1.maven.org/maven2/org/eclipse/jdt/core/compiler/ecj/3.7.2/ecj-3.7.2.pom
        -- artifact org.eclipse.jdt.core.compiler#ecj;3.7.2!ecj.jar:
        http://repo1.maven.org/maven2/org/eclipse/jdt/core/compiler/ecj/3.7.2/ecj-3.7.2.jar
          ::::::::::::::::::::::::::::::::::::::::::::::
          ::          UNRESOLVED DEPENDENCIES         ::
          ::::::::::::::::::::::::::::::::::::::::::::::
          :: org.apache.tomcat.embed#tomcat-embed-core;7.0.55: not found
          :: org.apache.tomcat#tomcat-catalina-ant;7.0.55: not found
          :: org.apache.tomcat.embed#tomcat-embed-jasper;7.0.55: not found
          :: org.apache.tomcat.embed#tomcat-embed-logging-log4j;7.0.55: not found
          :: org.apache.tomcat.embed#tomcat-embed-websocket;7.0.55: not found
          :: org.eclipse.jdt.core.compiler#ecj;3.7.2: not found
          ::::::::::::::::::::::::::::::::::::::::::::::
  </code></pre>
  
  <p>Any ideas how to solve the error messages? I found several advices of how to change the BuildConfig.groovy (build ':tomcat:7.0.55' instead of build ":tomcat:$grailsVersion"). Moreover, I deleted the Ivy-cache.</p>
  
  <p>Thanks,</p>
  
  <p>Best</p>