¿Cómo resuelvo Múltiples artefactos del módulo X se recuperan en el mismo archivo en Apache Ivy?

Question

Estaba usando ANT para implementar mis cosas en Tomcat. Pero tuve problemas con las dependencias que faltaban y quise agregar Ivy, porque se me recomendó.

Ahora he añadido esto a mi archivo build.xml:

<!-- Ivy settings start--> 

    <condition property="ivy.home" value="${env.IVY_HOME}"> 
     <isset property="env.IVY_HOME" /> 
    </condition> 


    <target name="download-ivy" unless="offline" description="Download Ivy"> 
     <mkdir dir="${ivy.jar.dir}"/> 
      <!-- download Ivy from web site so that it can be used even without any special installation --> 
     <get src="http://repo2.maven.org/maven2/org/apache/ivy/ivy/${ivy.install.version}/ivy-${ivy.install.version}.jar" 
      dest="${ivy.jar.file}" usetimestamp="true"/> 
    </target> 


    <target name="init-ivy" depends="download-ivy" description="Initialize Ivy"> 
     <!-- try to load ivy here from ivy home, in case the user has not already dropped 
     it into ant's lib dir (note that the latter copy will always take precedence). 
     We will not fail as long as local lib dir exists (it may be empty) and 
     ivy is in at least one of ant's lib dir or the local lib dir. --> 
     <path id="ivy.lib.path"> 
      <fileset dir="${ivy.jar.dir}" includes="*.jar"/> 
     </path> 
     <taskdef resource="org/apache/ivy/ant/antlib.xml" 
     uri="antlib:org.apache.ivy.ant" classpathref="ivy.lib.path"/> 
    </target> 

    <target name="update" depends="init-ivy" description="Download project dependencies"> 
     <!-- edited for brevity --> 

     <ivy:retrieve pattern="lib/[conf]/[artifact]-[revision].[ext]" /> 
     <!-- edited for brevity --> 
    </target> 


    <target name="clean-all" depends="clean" description="Purge ivy cache"> 
     <ivy:cleancache/> 
    </target> 

<!-- Ivy settings end--> 

Ésta es mi ivy.xml:

<ivy-module version="2.0"> 
    <info organisation="org.apache" module="hello-ivy"/> 
    <dependencies> 
     <dependency org="commons-lang" name="commons-lang" rev="2.1"/> 
    </dependencies> 
</ivy-module> 

Este es mi diario:

Buildfile: C:\Users\Jansu\workspace\HelloWorld\build.xml 
download-ivy: 
     [get] Getting: http://repo2.maven.org/maven2/org/apache/ivy/ivy/2.2.0/ivy-2.2.0.jar 
     [get] To: C:\Users\Jansu\.ant\lib\ivy-2.2.0.jar 
     [get] Not modified - so not downloaded 
init-ivy: 
update: 
[ivy:retrieve] :: Ivy 2.2.0 - 20100923230623 :: http://ant.apache.org/ivy/ :: 
[ivy:retrieve] :: loading settings :: url = jar:file:/C:/Users/Jansu/.ant/lib/ivy-2.2.0.jar!/org/apache/ivy/core/settings/ivysettings.xml 
[ivy:retrieve] :: resolving dependencies :: org.apache#hello-ivy;working@Jansu-PC 
[ivy:retrieve] confs: [default] 
[ivy:retrieve] found commons-lang#commons-lang;2.1 in public 
[ivy:retrieve] downloading http://repo1.maven.org/maven2/commons-lang/commons-lang/2.1/commons-lang-2.1.jar ... 
[ivy:retrieve] ................................................................................................................................................................................................................................................................................................................................................................................................................. (202kB) 
[ivy:retrieve] .. (0kB) 
[ivy:retrieve] [SUCCESSFUL ] commons-lang#commons-lang;2.1!commons-lang.jar (1704ms) 
[ivy:retrieve] downloading http://repo1.maven.org/maven2/commons-lang/commons-lang/2.1/commons-lang-2.1-sources.jar ... 
[ivy:retrieve] ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ (255kB) 
[ivy:retrieve] .. (0kB) 
[ivy:retrieve] [SUCCESSFUL ] commons-lang#commons-lang;2.1!commons-lang.jar(source) (1819ms) 
[ivy:retrieve] downloading http://repo1.maven.org/maven2/commons-lang/commons-lang/2.1/commons-lang-2.1-javadoc.jar ... 
[ivy:retrieve] ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 
[ivy:retrieve] ................................................................................................................................................................................................................................................................ (518kB) 
[ivy:retrieve] .. (0kB) 
[ivy:retrieve] [SUCCESSFUL ] commons-lang#commons-lang;2.1!commons-lang.jar(javadoc) (2817ms) 
[ivy:retrieve] :: resolution report :: resolve 2094ms :: artifacts dl 6357ms 
    --------------------------------------------------------------------- 
    |     |   modules   || artifacts | 
    |  conf  | number| search|dwnlded|evicted|| number|dwnlded| 
    --------------------------------------------------------------------- 
    |  default  | 1 | 1 | 1 | 0 || 3 | 3 | 
    --------------------------------------------------------------------- 
[ivy:retrieve] :: retrieving :: org.apache#hello-ivy 
[ivy:retrieve] confs: [default] 

Este es el error:

BUILD FAILED 
    C:\Users\Jansu\workspace\HelloWorld\build.xml:177: impossible to ivy retrieve: java.lang.RuntimeException: problem during retrieve of org.apache#hello-ivy: java.lang.RuntimeException: Multiple artifacts of the module commons-lang#commons-lang;2.1 are retrieved to the same file! Update the retrieve pattern to fix this error. 

    Total time: 11 seconds 

Parece que el error proviene de este patrón? :

<ivy:retrieve pattern="lib/[conf]/[artifact]-[revision].[ext]" /> 

Pero me parece sólido.

¿Alguna sugerencia?

Answer 1

Usted tiene que ampliar su patrón para incluir el tipo, de manera que cada artefacto se pone su propio archivo local:

<ivy:retrieve pattern="lib/[conf]/[artifact]-[type]-[revision].[ext]" /> 

O si usted no necesita las fuentes y el Javadoc puede cambiar la dependencia de :

<ivy-module version="2.0"> 
    <info organisation="org.apache" module="hello-ivy"/> 
    <dependencies> 
     <dependency org="commons-lang" name="commons-lang" rev="2.1" conf="default->master"/> 
    </dependencies> 
</ivy-module> 

Que solo recuperará el maestro-conf (jar) de la dependencia.