On 05/28/2012 11:39 AM, Paul Moore wrote: That is not the right behavior of Maven...  archetype:generate doesn't expect a pom to exist already, since the goal of this command is to generate a pom. What version of Maven are you using? mvn -version should print something like: Apache Maven 3.0.4

Indeed, you should use the most recent (stable) version available, so 4.0

I think it has more to do with the repository manager not knowing the version of archetype plugin to retrieve, or something like that.

You should retry your command-line using full plugin specification : mvn org.apache.maven.plugins:maven-archetype-plugin:2.2:generate -D.......(your options) You should only have to do this once, then using archetype:generate should be enough.

Hope this helps, Jeremie 2012/5/28 Paul Moore <p.f.moore(a)gmail.com>om>: > On 28 May 2012 17:50, Sergiu Dumitriu <sergiu(a)xwiki.com> wrote: >> On 05/28/2012 11:39 AM, Paul Moore wrote: >>> >>> When I try to use Maven as described in the tutorial, I get an error: >>> >>> PS D:\Data\Java\x> mvn archetype:generate >>> -DarchetypeArtifactId=xwiki-commons-component-archetype >>> -DarchetypeGroupId=org.xwiki.commons -DarchetypeVersion=3.3 >>> [INFO] Scanning for projects... >>> [INFO] >>> ------------------------------------------------------------------------ >>> [INFO] BUILD FAILURE >>> [INFO] >>> ------------------------------------------------------------------------ >>> [INFO] Total time: 0.130s >>> [INFO] Finished at: Mon May 28 16:35:02 BST 2012 >>> [INFO] Final Memory: 2M/15M >>> [INFO] >>> ------------------------------------------------------------------------ >>> [ERROR] The goal you specified requires a project to execute but there >>> is no POM in this directory (D:\Data\Java\x). Please verify you >>> invoked Maven from the correct directory. -> [Help 1] >> >> >> That is not the right behavior of Maven... archetype:generate doesn't >> expect a pom to exist already, since the goal of this command is to generate >> a pom. >> >> What version of Maven are you using? >> >> mvn -version >> >> should print something like: >> >> Apache Maven 3.0.4 > > PS D:\Data> mvn -version > Apache Maven 3.0.4 (r1232337; 2012-01-17 08:44:56+0000) > Maven home: D:\Java\apache-maven-3.0.4\bin\.. > Java version: 1.7.0_04, vendor: Oracle Corporation > Java home: C:\Program Files\Java\jdk1.7.0_04\jre > Default locale: en_GB, platform encoding: Cp1252 > OS name: "windows 7", version: "6.1", arch: "x86", family: "windows" > >>> [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 >>> >>> I'm a little concerned about the "-DarchetypeVersion=3.3" flag. I'm >>> using XWiki 4.0. Is this page out of date? >> >> >> Indeed, you should use the most recent (stable) version available, so 4.0 > > Same result :-( > > Paul.

On May 29, 2012, at 9:53 AM, Jeremie BOUSQUET wrote: It uses the latest version so I don't think it's a version issue. However, maybe the FQN will help indeed. Let us know Paul. If it works it would be nice to add the information to http://platform.xwiki.org/xwiki/bin/view/DevGuide/WritingComponents Thanks -Vincent _______________________________________________ users mailing list users(a)xwiki.org http://lists.xwiki.org/mailman/listinfo/users

On 29 May 2012 09:47, Jeremie BOUSQUET <jeremie.bousquet(a)gmail.com> wrote: Other than the path to the "mvn" command, and paths in environment variables like JAVA_HOME, no, there are no backslashes (see the original mail in this thread). I'll see what I can do, but I have basically zero knowledge of Maven, so apologies in advance if any wild guesses I try just confuse things :-)