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POHow to load an optional task into ant without -lib or global installation?
 

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  1. POHow to load an optional task into ant without -lib or global installation?
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    <p>I want to use the FTP task in ant, and I have found the appropriate jar files and got everything working fine. I have put the jar files in a "libs" directory alongside the other files used in the build. The only problem is that the user must run "ant -lib commons-net-ftp-2.0.jar" to make a build; I would really prefer that it were possible to just run "ant" with no arguments.</p> <p>Reading the <a href="http://ant.apache.org/manual/install.html" rel="noreferrer">ant optional tasks intallation page</a>, I see that there are five ways one can load up extra libraries in ant, and none of them are really what I'm looking for. I do not want to force the user to make any modifications to their system to run this task; it should be possible to just load it from the "libs" directory inside of our product's source folder. So that means setting the global CLASSPATH is also out (which is a bad idea anyways).</p> <p>The last option, as noted in the documentation, is the preferred approach... loading the jarfiles individually from the build script itself. I have done this in the past with the ant-contrib tasks and JUnit, and would like to do that here, but I don't see how I can accomplish this. The FTP task doesn't support a nested classpath element, and I don't know the XML resource I would need to load this library via a taskdef. How can I load the libraries from within ant?</p> <p><strong>Edit:</strong> In response to the answers and questions which have been posted here so far, I'm using ant 1.7.1. Making an ftp taskdef definitely does not work; that throws the following error:</p> <p>BUILD FAILED /my/path/build.xml:13: taskdef class org.apache.tools.ant.taskdefs.optional.net.FTP cannot be found</p> <p>Perhaps this is because the classname is wrong. How exactly do I find the classname I'm supposed to use if I only have a jarfile? It's not documented anywhere, and I couldn't find anything in the jar itself resembling that path.</p>
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    1. COI was think that another task that the ftp was dependent on would do, but i'm not so sure - I'll have to try that out.
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    2. COSame for me. With external tasks I usually include a classpath in the taskdef, but with some internal optional tasks (ssh, scp, scriptdef), I've not found a better solution than having the user copy the JARs to /home/.ant/lib :-S
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    3. COWhat version of Ant are you using ?
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