I've never used it, but reading the help it seems the "-am" option
might help here.
On Fri, Dec 5, 2014 at 4:47 PM, Sean Owen <so...@cloudera.com> wrote:
> Maven definitely compiles "what is needed", but not if you tell it to
> only compile one module alone. Unless you have previously built and
> installed the other local snapshot artifacts it needs, that invocation
> can't proceed because you have restricted it to build one module whose
> dependencies don't exist.
>
> On Fri, Dec 5, 2014 at 6:44 PM, Koert Kuipers <ko...@tresata.com> wrote:
>> i think what changed is that core now has dependencies on other sub
>> projects. ok... so i am forced to install stuff because maven cannot compile
>> "what is needed". i will install
>>
>> On Fri, Dec 5, 2014 at 7:12 PM, Koert Kuipers <ko...@tresata.com> wrote:
>>>
>>> i suddenly also run into the issue that maven is trying to download
>>> snapshots that dont exists for other sub projects.
>>>
>>> did something change in the maven build?
>>>
>>> does maven not have capability to smartly compile the other sub-projects
>>> that a sub-project depends on?
>>>
>>> i rather avoid "mvn install" since this creates a local maven repo. i have
>>> been stung by that before (spend a day trying to do something and got weird
>>> errors because some toy version i once build was stuck in my local maven
>>> repo and it somehow got priority over a real maven repo).
>>>
>>> On Fri, Dec 5, 2014 at 5:28 PM, Marcelo Vanzin <van...@cloudera.com>
>>> wrote:
>>>>
>>>> You can set SPARK_PREPEND_CLASSES=1 and it should pick your new mllib
>>>> classes whenever you compile them.
>>>>
>>>> I don't see anything similar for examples/, so if you modify example
>>>> code you need to re-build the examples module ("package" or "install"
>>>> - just "compile" won't work, since you need to build the new jar).
>>>>
>>>> On Thu, Dec 4, 2014 at 10:23 PM, MEETHU MATHEW <meethu2...@yahoo.co.in>
>>>> wrote:
>>>> > Hi all,
>>>> >
>>>> > I made some code changes in mllib project and as mentioned in the
>>>> > previous
>>>> > mails I did
>>>> >
>>>> > mvn install -pl mllib
>>>> >
>>>> > Now I run a program in examples using run-example, the new code is not
>>>> > executing.Instead the previous code itself is running.
>>>> >
>>>> > But if I do an "mvn install" in the entire spark project , I can see
>>>> > the
>>>> > new code running.But installing the entire spark takes a lot of time
>>>> > and so
>>>> > its difficult to do this each time I make some changes.
>>>> >
>>>> > Can someone tell me how to compile mllib alone and get the changes
>>>> > working?
>>>> >
>>>> > Thanks & Regards,
>>>> > Meethu M
>>>> >
>>>> >
>>>> > On Friday, 28 November 2014 2:39 PM, MEETHU MATHEW
>>>> > <meethu2...@yahoo.co.in>
>>>> > wrote:
>>>> >
>>>> >
>>>> > Hi,
>>>> > I have a similar problem.I modified the code in mllib and examples.
>>>> > I did
>>>> > mvn install -pl mllib
>>>> > mvn install -pl examples
>>>> >
>>>> > But when I run the program in examples using run-example,the older
>>>> > version
>>>> > of mllib (before the changes were made) is getting executed.
>>>> > How to get the changes made in mllib while calling it from examples
>>>> > project?
>>>> >
>>>> > Thanks & Regards,
>>>> > Meethu M
>>>> >
>>>> >
>>>> > On Monday, 24 November 2014 3:33 PM, Yiming (John) Zhang
>>>> > <sdi...@gmail.com>
>>>> > wrote:
>>>> >
>>>> >
>>>> > Thank you, Marcelo and Sean, "mvn install" is a good answer for my
>>>> > demands.
>>>> >
>>>> > -----邮件原件-----
>>>> > 发件人: Marcelo Vanzin [mailto:van...@cloudera.com]
>>>> > 发送时间: 2014年11月21日 1:47
>>>> > 收件人: yiming zhang
>>>> > 抄送: Sean Owen; user@spark.apache.org
>>>> > 主题: Re: How to incrementally compile spark examples using mvn
>>>> >
>>>> > Hi Yiming,
>>>> >
>>>> > On Wed, Nov 19, 2014 at 5:35 PM, Yiming (John) Zhang <sdi...@gmail.com>
>>>> > wrote:
>>>> >> Thank you for your reply. I was wondering whether there is a method of
>>>> >> reusing locally-built components without installing them? That is, if
>>>> >> I have
>>>> >> successfully built the spark project as a whole, how should I
>>>> >> configure it
>>>> >> so that I can incrementally build (only) the "spark-examples" sub
>>>> >> project
>>>> >> without the need of downloading or installation?
>>>> >
>>>> > As Sean suggest, you shouldn't need to install anything. After "mvn
>>>> > install", your local repo is a working Spark installation, and you can
>>>> > use
>>>> > spark-submit and other tool directly within it.
>>>> >
>>>> > You just need to remember to rebuild the assembly/ project when
>>>> > modifying
>>>> > Spark code (or the examples/ project when modifying examples).
>>>> >
>>>> >
>>>> > --
>>>> > Marcelo
>>>> >
>>>> >
>>>> > ---------------------------------------------------------------------
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>>>> > For additional commands, e-mail: user-h...@spark.apache.org
>>>> >
>>>> >
>>>> >
>>>> >
>>>>
>>>>
>>>>
>>>> --
>>>> Marcelo
>>>>
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>>>>
>>>
>>
>
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