[MOBY-dev] jMoby and Eclipse/Maven

[Andreas Groscurth]

Hi Martin,

i will try the steps below and see what happens on my systems.

will also add this the documentation then.

probably the next days

best
andreas

Martin Senger wrote:
> I was informed (and I witnessed it myself) that sometimes there are 
> problems between Eclipse and Ant (this is not only about jMoby but 
> generally). I was not able to tell exactly when it happens (so for 
> example, I could not tell Andreas how to reproduce it) but roughly 
> speaking it was about this:
>
> 1) Eclipse's Maven plugin uses files pom.xml (in the project root and 
> in the src/main, and others, source trees). Our Ant's build.xml uses 
> xmls/project.pom. It has a task 'initeclipse' that copies 
> xmls/project.pom into one or more pom.xml files.
>
> 2) When there is a change in the jMoby dependencies, the general 
> practice (recommended to jMoby Eclipse developers) is to
>    a) disable Maven plugin in Eclipse (so it does not read anymore 
> pom.xml),
>    b) recreate pom.xml files by calling the Ant's task (usually 
> 'config') - usually directly form the Eclipse's Ant view,
>    c) refresh Eclipse (so it knows about the new pom.xml files), and
>    d) enable Maven plugin in Eclipse.
>
> After these steps Eclipse re-builds the project - and (here is my main 
> point) *removes* various configuration files (such as 
> log4j.properties) from the build/classes directory - the files that 
> were put there in step 2b by 'ant config'.
>
> This week, I found (thanks to a visitor from France) how to avoid this 
> unfortunate Eclipse behaviour. Andreas, could you please consider the 
> following?
>
> * check if the steps above really do make/cause this problem (I saw it 
> but it may be different on different platforms?),
>
> * try if the solution (see below) helps,
>
> * add it to your (or other) jMoby-Eclipse documentation?
>
> The solution is to uncheck a single box in 
> Windows->Preferences->Java->Compiler->Building->OutputFolder "Scrub 
> output folders when cleaning projects".
>
> Cheers,
> Martin
>
> -- 
> Martin Senger
> email: martin.senger at gmail.com 
> <mailto:martin.senger at gmail.com>,m.senger at cgiar.org 
> <mailto:m.senger at cgiar.org>
> skype: martinsenger