Hi Eric & everyone, > I still think the <userFriendly>true</userFriendly> version of Maven > would just do the right thing when there is no <relativePath/> > element, and there is no ../pom.xml.
I agree. Note that there is an issue for it already: http://jira.codehaus.org/browse/MNG-4687 Regards, Curtis On Sat, Nov 24, 2012 at 12:13 PM, Anders Hammar <[email protected]> wrote: > I'd just like to echo Benson. You do not need the <relativePath/> element > if your environment is setup correctly. > > /Anders > > > On Sat, Nov 24, 2012 at 4:48 AM, Eric Kolotyluk <[email protected] > >wrote: > > > On 2012-11-23 7:01 PM, Benson Margulies wrote: > > > >> On Fri, Nov 23, 2012 at 8:45 PM, Eric Kolotyluk > >> <[email protected]> wrote: > >> > >>> OK, I have added the following to our Corporate POM. Hopefully I, and > >>> others, won't fall into this trap again. > >>> > >>> I still think the <userFriendly>true</**userFriendly> version of Maven > >>> would > >>> just do the right thing when there is no <relativePath/> element, and > >>> there > >>> is no ../pom.xml. I can see no value in the current Maven behavior of > >>> throwing an error the way it does. > >>> > >> Eric, > >> > >> It does what you want. If it is not doing it for you, there's > >> something wrong with your environment. > >> > >> None of our POMs have explicit relativePath elements, and they all > >> work fine. The empty element is only needed when there *is* a > >> ../pom.xml to avoid, but you are writing that you don't have one. > >> > >> > > OK, I will play with this some more to see if I can replicate the problem > > again. > > > > Cheers, Eric > > > > > > > >> Cheers, Eric > >>> > >>> <!-- > >>> No parent for this POM! This is parent of all Kodak projects. > >>> Top Level Project POMs should reference this POM with > >>> > >>> <parent> > >>> <groupId>com</groupId> > >>> <artifactId>kodak</artifactId> > >>> <version>1.0.0</version> > >>> <relativePath/> > >>> </parent> > >>> > >>> The empty <relativePath/> element is necessary because > com:kodak > >>> is a > >>> seperate project that will never be in > >>> the parent directory of your project. If <relativePath/> is > >>> missing, > >>> Maven will look in ../ by default, and > >>> then throw an error because it cannot find ../pom.xml (and you > >>> should > >>> never have ../pom.xml). > >>> --> > >>> > >>> > >>> On 2012-11-23 12:47 PM, David Karr wrote: > >>> > >>>> I had also discovered the difference between the missing vs. empty > >>>> "relativePath" element. Although it was initially disconcerting that > I > >>>> had > >>>> to specify an empty "relativePath" element to get what I assumed was > the > >>>> most reasonable behavior, I can also see the logic of the alternative > >>>> with > >>>> the default value. I prefer to separate the notion of "parent" pom > from > >>>> "aggregator" pom (a pom with a list of modules), but if you use a > >>>> strategy > >>>> that combines them, then the default value is more likely. > >>>> > >>>> > >>>> On Fri, Nov 23, 2012 at 12:34 PM, Eric Kolotyluk > >>>> <[email protected]>**wrote: > >>>> > >>>> DOH! I retract that previous message. I forgot to open my VPN > >>>>> connection > >>>>> first. > >>>>> > >>>>> Putting <relativePath/> in the POM does work! > >>>>> > >>>>> So, would it be unreasonable if Maven treated the absence of the > >>>>> <relativePath> element the same as <relativePath/>. That would make > it > >>>>> more > >>>>> user friendly as far as I am concerned. > >>>>> > >>>>> Also, it was m2e that built the original project POM, and it did not > >>>>> put > >>>>> <relativePath/> in the POM. > >>>>> > >>>>> Cheers, Eric > >>>>> > >>>>> > >>>>> > >>>>> On 2012-11-23 12:22 PM, Eric Kolotyluk wrote: > >>>>> > >>>>> I tried putting <relativePath/> in my POM, but it does not fix > things. > >>>>>> > >>>>>> <parent> > >>>>>> <groupId>com</groupId> > >>>>>> <artifactId>kodak</artifactId> > >>>>>> <version>0.0.11-SNAPSHOT</****version> > >>>>>> <relativePath/> > >>>>>> </parent> > >>>>>> > >>>>>> I still get > >>>>>> > >>>>>> C:\Users\Eric\workspace\tree-****combo-box>mvn clean > >>>>>> [INFO] Scanning for projects... > >>>>>> Downloading: > >>>>>> http://repository.ca.kodak.****com:8082/nexus/content/groups/*** > >>>>>> > >>>>>> *public/com/kodak/0.0.11-****SNAPSHOT/maven-metadata.xml<ht** > >>>>>> tp://repository.ca.kodak.com:**8082/nexus/content/groups/** > >>>>>> public/com/kodak/0.0.11-**SNAPSHOT/maven-metadata.xml< > http://repository.ca.kodak.com:8082/nexus/content/groups/public/com/kodak/0.0.11-SNAPSHOT/maven-metadata.xml > > > >>>>>> > > >>>>>> [WARNING] Could not transfer metadata > >>>>>> com:kodak:0.0.11-SNAPSHOT/****maven-metadata.xml > >>>>>> from/to nexus (http://repository.ca.kodak.** > >>>>>> > >>>>>> com:8082/nexus/content/groups/****public<http://repository.ca.** > >>>>>> kodak.com:8082/nexus/content/**groups/public< > http://repository.ca.kodak.com:8082/nexus/content/groups/public> > >>>>>> >): > >>>>>> repository.ca.kodak.com > >>>>>> Downloading: > >>>>>> http://repository.ca.kodak.****com:8082/nexus/content/groups/*** > >>>>>> > >>>>>> *public/com/kodak/0.0.11-****SNAPSHOT/kodak-0.0.11-****SNAPSHOT.pom< > >>>>>> http://** > repository.ca.kodak.com:8082/**nexus/content/groups/public/* > >>>>>> *com/kodak/0.0.11-SNAPSHOT/**kodak-0.0.11-SNAPSHOT.pom< > http://repository.ca.kodak.com:8082/nexus/content/groups/public/com/kodak/0.0.11-SNAPSHOT/kodak-0.0.11-SNAPSHOT.pom > > > >>>>>> > > >>>>>> [ERROR] The build could not read 1 project -> [Help 1] > >>>>>> [ERROR] > >>>>>> [ERROR] The project > >>>>>> net.kolotyluk.experiment:tree-****combo-box:0.0.1-SNAPSHOT > >>>>>> (C:\Users\Eric\workspace\tree-****combo-box\pom.xml) has 1 error > >>>>>> [ERROR] Non-resolvable parent POM: Could not transfer artifact > >>>>>> com:kodak:pom:0.0.11-SNAPSHOT from/to nexus > >>>>>> (http://repository.ca.kodak.* > >>>>>> > >>>>>> *com:8082/nexus/content/**groups/**public<http://** > >>>>>> repository.ca.kodak.com:8082/**nexus/content/groups/public< > http://repository.ca.kodak.com:8082/nexus/content/groups/public> > >>>>>> >): > >>>>>> repository.ca.kodak.com and 'parent.relativePath' points at no > local > >>>>>> POM > >>>>>> @ line 9, column 11: Unknown host repository.ca.kodak.com -> [Help > 2] > >>>>>> [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/**< > http://cwiki.apache.org/**confluence/display/MAVEN/**> > >>>>>> > >>>>>> ProjectBuildingException<http:**//cwiki.apache.org/confluence/** > >>>>>> display/MAVEN/**ProjectBuildingException< > http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException> > >>>>>> > > >>>>>> [ERROR] [Help 2] http://cwiki.apache.org/**** > >>>>>> confluence/display/MAVEN/**< > http://cwiki.apache.org/**confluence/display/MAVEN/**> > >>>>>> > >>>>>> UnresolvableModelException<htt**p://cwiki.apache.org/** > >>>>>> confluence/display/MAVEN/**UnresolvableModelException< > http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException > > > >>>>>> > > >>>>>> > >>>>>> It looks like Maven wants to download the Corporate POM because it > >>>>>> sees > >>>>>> it in Nexus, but craps out because it does not like the Project POM. > >>>>>> Maven > >>>>>> seems pretty certain that it wants parent.relativePath to point to a > >>>>>> local > >>>>>> POM. > >>>>>> > >>>>>> Is there a <userFriendly>true</****userFriendly> switch I can turn > on > >>>>>> somewhere in Maven ;-) > >>>>>> > >>>>>> Cheers, Eric > >>>>>> > >>>>>> On 2012-11-23 9:05 AM, Laird Nelson wrote: > >>>>>> > >>>>>> On Fri, Nov 23, 2012 at 11:22 AM, Benson Margulies < > >>>>>>> [email protected]>wrote: > >>>>>>> > >>>>>>> You just name the G/A/V and no relativePath, and Maven will > >>>>>>> download > >>>>>>> > >>>>>>>> just as it would a dependency. > >>>>>>>> > >>>>>>>> Well, not exactly; if there is no <relativePath> element > present, > >>>>>>>> then > >>>>>>>> > >>>>>>> Maven behaves as though <relativePath>../pom.xml</****relativePath> > >>>>>>> were > >>>>>>> specified. If that file is a working copy that has not been > >>>>>>> refreshed > >>>>>>> from > >>>>>>> the SCM, then problems can ensue. > >>>>>>> > >>>>>>> I recall that someone mentioned specifying a relative path like > this: > >>>>>>> > >>>>>>> <relativePath/> > >>>>>>> > >>>>>>> > >>>>>>> ...and that that was the only way to force Maven to truly resolve > the > >>>>>>> pom > >>>>>>> from the repository, but I don't know if this is in fact true. > >>>>>>> > >>>>>>> Best, > >>>>>>> Laird > >>>>>>> > >>>>>>> > >>>>>>> ------------------------------****----------------------------** > >>>>> --**--------- > >>>>> To unsubscribe, e-mail: > >>>>> users-unsubscribe@maven.**apac**he.org <http://apache.org>< > >>>>> users-unsubscribe@**maven.apache.org< > [email protected]> > >>>>> > > >>>>> For additional commands, e-mail: [email protected] > >>>>> > >>>>> > >>>>> > >>> ------------------------------**------------------------------** > >>> --------- > >>> To unsubscribe, e-mail: users-unsubscribe@maven.**apache.org< > [email protected]> > >>> For additional commands, e-mail: [email protected] > >>> > >>> ------------------------------**------------------------------** > >> --------- > >> To unsubscribe, e-mail: users-unsubscribe@maven.**apache.org< > [email protected]> > >> For additional commands, e-mail: [email protected] > >> > >> > > > > ------------------------------**------------------------------**--------- > > To unsubscribe, e-mail: users-unsubscribe@maven.**apache.org< > [email protected]> > > For additional commands, e-mail: [email protected] > > > > >
