[rules-dev] Guvnor build changes summary

Michael Anstis michael.anstis at gmail.com
Thu Oct 14 15:24:04 EDT 2010


Thanks for the clarification Geoffrey.


On 14 October 2010 14:20, Geoffrey De Smet <ge0ffrey.spam at gmail.com> wrote:

> The eclipse GWT plugin doesn't use maven.
>
>
> With kind regards / Met vriendelijke groeten,
> Geoffrey De Smet
>
> Op 14-10-10 12:05, Anstis, Michael (M.) schreef:
> > Hi Geoffrey, Esteban,
> > The Eclipse GWT Plugin in essence calls out to GWT's
> > com.google.gwt.dev.DevMode and does not use maven.
>
> Yes, AFAIC it doesn't use maven.
>
> > I think half the problem could be the disjoint between the default paths
> > used by maven compared to the default paths used by gwt i.e. they are
> > different: mvn uses src/main/webapp by default whereas gwt prefers /war.
>
> The latest gwt plugin for eclipse (since 2.0.3) isn't hardcoded to the
> /war directory, so the /war issues is not longer relevant normally.
> See the note on
> http://mojo.codehaus.org/gwt-maven-plugin/user-guide/war-folder.html
> So don't use an old gwt plugin for eclipse.
> Toni Rikkola is working fine with eclipse, maybe you can ask him how he
> said it up?
>
> > It looks like you can bring the two inline
> > http://mojo.codehaus.org/gwt-maven-plugin/user-guide/war-folder.html but
> > I haven't tried it. A warning to this effect is in the log you show
> > "Your POM <build><outputdirectory> does not match your hosted webapp
> > WEB-INF/classes folder for GWT Hosted browser to see your classes." I
> > think the classes are JIT'ed so you won't get any errors until launching
> > your browser. I also think the "target" folder
> > ("/home/esteban/plugTree/trunkTMP/drools-guvnor/*target*/drools-guvnor")
> > is a GWT1.6 hang-over and wonder whether Guvnor is fully GWT2.x or a
> > hybrid of bits and pieces that wouldn't help matters.
>
> There is the sources wierdness. Basically gwt needs the *.java sources
> of all the java to javascript it needs to compile, not just the *.class
> sources. So to be able to compile drools-guvnor it needs the sources of
> drools-ide-common.
> - If you have drools open in IntelliJ/Eclipse, this isn't a problem: the
> sources are there anyway and you don't need to configure anything
> special. Note you can't have just drools-guvnor open without
> drools-ide-common open... I would expect this to be the same for netbeans
> - In Maven, things are different because modules need to be able to
> compile individually. There are 2 ways to handle it:
> -- the GWT hack way: just add the sources to the jar. This is the bad
> way as it violates the maven repository contract.
> -- the maven way (which we follow): also install/deploy the sources into
> the repository as a separate jar (so as a
> drools-idea-common-...-sources.jar) and re-use that to build
> drools-guvnor (and note that the maven intellij/eclipse reuse those
> sources to automatically download sources etc).
>
> > Not wanting to tread on toes.
> idem dito :) Hope this helps too
>
> > With kind regards,
> > Mike
> >
> >
> ------------------------------------------------------------------------
> >     *From:* rules-dev-bounces at lists.jboss.org
> >     [mailto:rules-dev-bounces at lists.jboss.org] *On Behalf Of
> >     *esteban.aliverti at gmail.com
> >     *Sent:* 14 October 2010 00:07
> >     *To:* Rules Dev List
> >     *Subject:* Re: [rules-dev] Guvnor build changes summary
> >
> >     Geoffrey, again, great work!
> >     But I have a question for you. I'm trying to run/debug guvnor
> >     without eclipse.
> >     Thanks to your work, now I am able to execute *mvn gwt:compile*
> >     without modify the pom.xml file! That is great.
> >     Then I run Guvnor doing:* mvn -Dgwt.module=org.drools.guvnor.Guvnor
> >     -DrunTarget=org.drools.guvnor.Guvnor/Guvnor.html gwt:debug*
> >     Everything seams to look right. I get this output:
> >
> >     /Preparing gwt:debug/
> >     /[resources:resources]/
> >     /Using 'UTF-8' encoding to copy filtered resources./
> >     /Copying 29 resources/
> >     /[compiler:compile]/
> >     /Nothing to compile - all classes are up to date/
> >     /[gwt:debug]/
> >     /starting debugger on port 8000 in suspend mode/
> >     /You're project declares dependency on gwt-user 2.0.4. This plugin
> >     is designed for version 2.1-20101001.MGWT219/
> >     /create exploded Jetty webapp in
> >     /home/esteban/plugTree/trunkTMP/drools-guvnor/target/drools-guvnor/
> >     /Your POM <build><outputdirectory> does not match your hosted webapp
> >     WEB-INF/classes folder for GWT Hosted browser to see your classes./
> >     /Listening for transport dt_socket at address: 8000/
> >
> >     Now, when I try to attach a debugger (in my case, using Netbeans), I
> >     get the following behavior:
> >
> >        1. The GWT Development Mode console appears
> >        2. After a few seconds, the Startup URL appears in the combobox
> >        3. At this point, I have some warnings in "Development Mode" and
> >           "Jetty" tabs. (probably you are using tomcat, but should be
> >           the same)
> >        4. When I try to enter Guvnor using firefox, a new tab appears in
> >           the GWT Development Mode (which is the expected behavior), but
> >           a lot of errors appear there. The errors are because the
> >           source code of ide.common packages can't be found.
> >
> >
> >     I'm attaching a screenshot showing the error:
> >
> >     news://
> news.gmane.org:119/C7774483B6A70C4BB10E917CC1A59DC10766BE79%40eu1wam35.warley.ford.com?group=gmane.comp.java.drools.devel&key=3996&header=quotebody&part=1.1.2&filename=Screenshot.png
> >
> >     The questions are: do you know how is eclipse running guvnor? Does
> >     it use maven at all? Am I missing any argument when running
> >     gwt:debug goal?
> >
> >     Best Regards,
> >
> >     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
> >
> >     Esteban Aliverti
> >     - Developer @ http://www.plugtree.com <http://www.plugtree.com>
> >     - Blog @ http://ilesteban.wordpress.com
> >
> >
> >     On Sat, Oct 9, 2010 at 7:53 AM, Geoffrey De Smet
> >     <ge0ffrey.spam at gmail.com <mailto:ge0ffrey.spam at gmail.com>> wrote:
> >
> >         No, I no longer think we should "split up drools-guvnor into
> >         drools-guvnor-gwtclient and drools-guvnor-server",
> >         not at least until GWT supports separate client vs server
> >         classpaths better.
> >         I will still look into moving factconstraints module guvnor part
> to
> >         guvnor (and the rest might be movable to drools-core/compiler?)?
> >
> >         With kind regards,
> >         Geoffrey De Smet
> >
> >         Op 08-10-10 09:54, Anstis, Michael (M.) schreef:
> >          > I'm not sure Geoffrey is planning on the split anymore:
> >          >> I haven't split up drools-guvnor into
> >         drools-guvnor-gwtclient and
> >          >> drools-guvnor-server, because GWT simply doesn't really
> >         allow that (not
> >          >> without making the solution worse than the problem at
> least...).
> >          >
> >          >
> >
> ------------------------------------------------------------------------
> >          > *From:* rules-dev-bounces at lists.jboss.org
> >         <mailto:rules-dev-bounces at lists.jboss.org>
> >          > [mailto:rules-dev-bounces at lists.jboss.org
> >         <mailto:rules-dev-bounces at lists.jboss.org>] *On Behalf Of
> >         *Michael Neale
> >          > *Sent:* 08 October 2010 03:34
> >          > *To:* Rules Dev List
> >          > *Subject:* Re: [rules-dev] Guvnor build changes summary
> >          >
> >          > yes, that probably would make sense. Although, there would
> >         have to
> >          > be maybe a 3rd for the common code. Or else the server module
> >          > depends on the client module?
> >          >
> >          > On Fri, Oct 8, 2010 at 12:51 PM, Jervis Liu <jliu at redhat.com
> >         <mailto:jliu at redhat.com>
> >          > <mailto:jliu at redhat.com <mailto:jliu at redhat.com>>> wrote:
> >          >
> >          > Good job, Geoffrey! BTW, what is this about: "split up
> >         drools-guvnor
> >          > into drools-guvnor-gwtclient and drools-guvnor-server" ?
> >          >
> >          > Thanks,
> >          > Jervis
> >          >
> >          > Geoffrey De Smet wrote:
> >          > > Hi guys,
> >          > >
> >          > > The Guvnor build has changed somewhat. Here's the changes:
> >          > > - "mvn clean compile" now compiles the GWT java sources to
> >          > javascript
> >          > > with the gwt-maven-plugin.
> >          > > -- So now, to really clean build guvnor, you don't need to
> >          > run the ANT
> >          > > script separate no more
> >          > > -- The maven plugin is about 50% faster than the ANT script.
> >          > > -- This makes the entire drools build slower (as it now gwt
> >          > compiles
> >          > > too), but I am looking into improving that (for example in a
> >          > development
> >          > > mode profile, we can only gwt compile to english and
> firefox)
> >          > > - The generated GWT javascript files have been removed from
> >          > subversion
> >          > > and are now generated under the target/drools-guvnor
> directory
> >          > > -- No more A43BF34D23567676DF.js files in svn or tree
> >          > conflicts on those
> >          > > directories
> >          > >
> >          > > I haven't split up drools-guvnor into
> >         drools-guvnor-gwtclient and
> >          > > drools-guvnor-server, because GWT simply doesn't really
> allow
> >          > that (not
> >          > > without making the solution worse than the problem at
> >         least...).
> >          > >
> >          > > If you feel any rough edges, let me know and I 'll take a
> >          > look at it.
> >          > >
> >          > > I 'll remove the old ANT script soon, once the maven
> >          > filtering for the
> >          > > version and revision is in place.
> >          > >
> >          >
> >          > _______________________________________________
> >          > rules-dev mailing list
> >          > rules-dev at lists.jboss.org <mailto:rules-dev at lists.jboss.org>
> >         <mailto:rules-dev at lists.jboss.org
> >         <mailto:rules-dev at lists.jboss.org>>
> >          > https://lists.jboss.org/mailman/listinfo/rules-dev
> >          >
> >          >
> >          >
> >          >
> >          > --
> >          > Michael D Neale
> >          > home: www.michaelneale.net <http://www.michaelneale.net>
> >         <http://www.michaelneale.net>
> >          > blog: michaelneale.blogspot.com
> >         <http://michaelneale.blogspot.com>
> >         <http://michaelneale.blogspot.com>
> >          >
> >          >
> >          >
> >          > _______________________________________________
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> >          > https://lists.jboss.org/mailman/listinfo/rules-dev
> >
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> >
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> >
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