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From Anders Hammar <and...@hammar.net>
Subject Re: Trying to understand how maven finds source
Date Thu, 24 Oct 2013 20:37:43 GMT
No, but it requires a project (a pom.xml) to be able to calculate an
effective pom.

/Anders


On Thu, Oct 24, 2013 at 10:33 PM, Robert Dailey <rcdailey.lists@gmail.com>wrote:

> I tried your command and I got this:
>
> C:\Work\maven>mvn help:effective-pom
> [INFO] Scanning for projects...
> [INFO]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Building Maven Stub Project (No POM) 1
> [INFO]
> ------------------------------------------------------------------------
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 0.414s
> [INFO] Finished at: Thu Oct 24 15:32:04 CDT 2013
> [INFO] Final Memory: 12M/306M
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-help-plugin:2.2:effective-pom
> (default-cli): Goal requires a project to execute but ther
> e is no POM in this directory (C:\Work\maven). Please verify you
> invoked Maven from the correct directory. -> [Help 1]
> [ERROR]
> [ERROR] To see the full stack trace of the errors, re-run Maven with
> the -e switch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions,
> please read the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/MissingProjectException
>
> There is no pom.xml in this directory. Should it be trying to build a
> package if I am specifying "help"?
>
> On Thu, Oct 24, 2013 at 3:23 PM, Laird Nelson <ljnelson@gmail.com> wrote:
> > mvn help:effective-pom will spit out the pom made up of the defaults plus
> > anything you've overridden or added.  Stand back; it's huge.
> >
> > Best,
> > Laird
> >
> >
> > On Thu, Oct 24, 2013 at 1:21 PM, <randysr@kamradtfamily.net> wrote:
> >
> >> Maven has a 'convention over configuration' philosophy, which means that
> >> the pom.xml doesn't need to specify paths that are in the conventional
> >> places.  So unless otherwise configured, it will look in src/main/java
> for
> >> all of it's (non-test) source code.  You should be able to find the
> >> conventions listed on the maven site, or the site for a particular
> plug-in.
> >>
> >> I find this very helpful in creating minimalist pom.xml files for the
> >> standard 'make me a jar, test, document, and put it some where it can be
> >> found' process.  But it can be a pain if you don't know where the
> >> conventional places are, and any deviation often results in a great
> >> multitude of google searches to find the man behind the curtain.
> >>
> >> --------- Original Message --------- Subject: Trying to understand how
> >> maven finds source
> >> From: "Robert Dailey" <rcdailey.lists@gmail.com>
> >> Date: 10/24/13 1:04 pm
> >> To: "Maven" <users@maven.apache.org>
> >>
> >> Hey everyone,
> >>
> >>  I'm trying to understand something basic, I haven't been able to find
> >>  the answer through Google surprisingly (maybe my searching abilities
> >>  suck today). How is it that Maven is able to find source code to
> >>  compile? What I would expect is the pom.xml to refer to some *.java
> >>  path (something like <source>src/main/java/*</source>), but I don't
> >>  see anything like that.
> >>
> >>  How does maven know what java source code to compile? Thanks in
> >>  advance for any help.
> >>
> >>  ---------------------------------------------------------------------
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> >>
> >
> >
> >
> > --
> > http://about.me/lairdnelson
>
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