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POIvy fails to resolve a dependency, unable to find cause
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  1. POIvy fails to resolve a dependency, unable to find cause
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    copied!<p>While using <code>ivy:retrieve</code>, it fails to resolve the dependency that should be downloaded. The output looks like this:</p> <pre><code>Buildfile: C:\Users\Simon\workspace\apollo\build.xml init: resolve: BUILD FAILED C:\Users\Simon\workspace\apollo\build.xml:42: Problem: failed to create task or type antlib:org.apache.ivy.ant:retrieve Cause: The name is undefined. Action: Check the spelling. Action: Check that any custom tasks/types have been declared. Action: Check that any &lt;presetdef&gt;/&lt;macrodef&gt; declarations have taken place. No types or tasks have been defined in this namespace yet This appears to be an antlib declaration. Action: Check that the implementing library exists in one of: -C:\Users\Simon\eclipse\plugins\org.apache.ant_1.8.2.v20120109-1030\lib -C:\Users\Simon\.ant\lib -a directory added on the command line with the -lib argument Total time: 348 milliseconds </code></pre> <p>The relevant section of the <code>build.xml</code> looks like so:</p> <pre><code> &lt;target name="resolve" depends="init"&gt; &lt;ivy:retrieve pattern="${lib}/[artifact]-[revision].[ext]" sync="true" /&gt; &lt;/target&gt; </code></pre> <p>Here is also a list of what it should be downloading (from the <code>build.xml</code>)</p> <pre><code> &lt;target name="doc" depends="build"&gt; &lt;javadoc sourcepath="${src}" classpathref="libraries" access="private" destdir="${doc}" windowtitle="Apollo"&gt; &lt;doclet name="org.jboss.apiviz.APIviz" pathref="libraries"&gt; &lt;param name="-sourceclasspath" value="${bin}" /&gt; &lt;param name="-author" /&gt; &lt;param name="-version" /&gt; &lt;param name="-use" /&gt; &lt;param name="-nopackagediagram" /&gt; &lt;/doclet&gt; &lt;doctitle&gt;&lt;![CDATA[&lt;h1&gt;Apollo&lt;/h1&gt;]]&gt;&lt;/doctitle&gt; &lt;link href="http://download.oracle.com/javase/6/docs/api/" /&gt; &lt;link href="http://docs.jboss.org/netty/3.2/api/" /&gt; &lt;link href="http://guava-libraries.googlecode.com/svn/trunk/javadoc/" /&gt; &lt;link href="http://www.junit.org/apidocs/" /&gt; &lt;link href="http://commons.apache.org/compress/apidocs/" /&gt; &lt;link href="http://jruby.org/apidocs/" /&gt; &lt;/javadoc&gt; &lt;/target&gt; </code></pre>
 

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