[rules-dev] Guvnor build changes summary

Subhas subhas.sing at gmail.com
Thu Oct 21 13:16:40 EDT 2010


Great work Geoffrey.

Thanks,
Subhas

On Thu, Oct 14, 2010 at 12:24 PM, Michael Anstis
<michael.anstis at gmail.com>wrote:

> 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.htmlbut
>> > 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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>> >          > rules-dev at lists.jboss.org <mailto:rules-dev at lists.jboss.org>
>> >          > https://lists.jboss.org/mailman/listinfo/rules-dev
>> >
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>> >
>> >
>> >
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