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POMaven and optional runtime dependencies
 

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    <p>I'm starting to fix a java project that has used maven and while I've got the project to build, at runtime it fails with missing dependencies. I've had a look and the errors are missing optional dependencies of included compile time dependencies. I can go through and add these but it seems to me that I can have everything building and running nicely only for some piece of code that I missed to use a missing dependency and the whole thing falls apart.</p> <p>What I really want to know is whether there is an automated way to find optional dependencies that I have chosen to not include. I have used <code>mvn dependency:tree</code> but this only shows the dependencies I have (not sure of the scope it checks) and I have tried <code>mvn dependency:analyze</code> but this seems to show dependencies it thinks I don't use and those that have been pulled down indirectly. What I cannot see is how to see a list of optionals I don't include.</p> <p>Currently my method of working around this is to read the poms and try to work it out from there, but I don't see this as particularly robust.</p> <p>For reference, I am fairly new to maven style dependency management and on the face of it like it, but this optional thing is a bit of a stumbling block for me. I understand that optionals stop me pullin down dependencies I won't be using, but it hasn't clicked for me how I can workout what optionals are available and that I do need.</p> <p>I am using Eclipse Juno, m2Eclipse (also have maven 3.0.5 cli), java 6/7.</p> <p>Anyone got any ideas of how I can do this better, or what I am completely overlooking?</p>
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