Re: mvn clean and mvn install vs. mvn clean install

[Ingo Düppe]

Your second strategy was my first idea about it. But how can a maven 
module produce two or more artifacts?

Max Cooper schrieb:
Here are two strategies to consider:
1. Only clean the generated source directories when you clean from the 
"parent" (delete src/generated/java from all subprojects). Don't 
remove generated sources when you clean a module that contains sources 
generated in another module (don't delete src/generated/java). I think 
this is how the Andromda example app used to deal with this, though I 
am not sure if this is the strategy they are using now. This is still 
working outside of maven's guideline (or at least, my perception of 
such a guideline), but it might make things work better.

2. Package the generated sources as artifacts. Maybe moduleA could 
produce two artifacts: sources-for-moduleB.zip and 
sources-for-moduleC.zip. Then modules B and C would depend on these 
source zips (and unzip them so they can be compiled at build time). I 
haven't seen this done, but it seems to be more in line with how maven 
handles dependencies.

-Max

Ingo Düppe wrote:
Well I never saw it from this perspective. But I guess in MDA based 
projects you will always have to inject source code from you 
generation process into other modules. Because you will always 
generate multiple modules from one module.
For instance, generating some kind of specification and parts of the 
implementation from a model.

I don't know what the new strategy of andromda team for maven 2.0 is, 
maybe I'm going to ask them.

Maybe I just introduce beside src and target a third folder 
"generated-src" that will contain only generated sources from andromda.

So the project structure would be:

src
   /main
      /java
      /resources
   /test
      /java
      /resources
generated-src
   /main
      /java
      /resources
   /test
      /java
      /resources
target
   /classes
   /test-classes

And the clean project doesn't delete the generated-src folders. What 
do you think about this?

Regards
-Ingo

Max Cooper schrieb:

It sounds like you figured it out.

In general, maven wants your modules to depend on each other only 
through artifacts. Generating sources in one module that get 
injected into another module violates this guideline.

I remember seeing that Andromda used to override the clean target in 
their Maven1 build. And I know they have moved on to Maven2. How 
does the maven example project handle 'clean' and it's generated 
sources? That might help identify a solution for your project.

-Max

Ingo Düppe wrote:

Max Cooper schrieb:

Post the build output that shows the failure.

-Max

Ingo Düppe wrote:

hi,

what is the difference between to separate calls of "mvn clean" 
and then "mvn install" to one call of "mvn clean install".
I thought these calls would be equals, but the second one fails 
within my project.

Regards
Ingo 


Hi,

Enclosed my debug output.

But I guess I know why the results are different between "mvn clean 
/ mvn install" and "mvn clean install". The call order of the 
modules is different.
In my project I have the following four modules:

framework
   framework-utils
foundation
   foundation-model
   foundation-api
   foundation-core

The call order of my modules:
1. mvn clean / mvn install:   [clean] framework-utils [clean] 
foundation-model [clean] foundation-api [clean] foundation-core 
[install] framework-utils [install] foundation-model [install] 
foundation-api [install] foundation-core
2. mvn clean install: [clean] framework-utils [install] 
framework-utils [clean] foundation-model [install] foundation-model 
[clean] foundation-api [install] foundation-api [clean] 
foundation-core [install] foundation-core

I generate source code with andromda within the foundation-model 
module for the api and core module. That why the second variant 
fails, because the generated source codes will be deleted during 
the clean phase of the api and core module
and this happens after the code generation in foundation-model.

Please correct my if I'm wrong.

Regards
Ingo


[INFO] [site:attach-descriptor]
[INFO] [install:install]
[INFO] Installing W:\openuss\foundation\foundation-model\pom.xml to 
d:\development\repository\maven-2.0\org\openuss\foundation\foundation-model\3.0-SNAPSHOT\foundation-model-3.0-SNAPSHOT.pom 

[INFO] 
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[INFO] Building OpenUSS - Foundation - API
[INFO]    task-segment: [clean, install]
[INFO] 
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[INFO] [clean:clean]
[INFO] Deleting directory W:\openuss\foundation\foundation-api\target
[INFO] Deleting directory 
W:\openuss\foundation\foundation-api\target\classes
[INFO] Deleting directory 
W:\openuss\foundation\foundation-api\target\test-classes
[INFO] [andromda-multi-source:add-source {execution: add-source}]
[INFO] [resources:resources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:compile]
[INFO] No sources to compile
[INFO] [resources:testResources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:testCompile]
[INFO] No sources to compile
[INFO] [surefire:test]
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[INFO] Building jar: 
W:\openuss\foundation\foundation-api\target\foundation-api-3.0-SNAPSHOT.jar 

[INFO] [install:install]
[INFO] Installing 
W:\openuss\foundation\foundation-api\target\foundation-api-3.0-SNAPSHOT.jar 
to 
d:\development\repository\maven-2.0\org\openuss\foundation\foundation-api\3.0-SNAPSHOT\foundation-api-3.0-SNAPSHOT.jar 

[INFO] 
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[INFO] Building OpenUSS - Foundation - CORE
[INFO]    task-segment: [clean, install]
[INFO] 
---------------------------------------------------------------------------- 

[INFO] artifact org.codehaus.mojo:build-helper-maven-plugin: 
checking for updates from andromda
[INFO] [clean:clean]
[INFO] Deleting directory W:\openuss\foundation\foundation-core\target
[INFO] Deleting directory 
W:\openuss\foundation\foundation-core\target\classes
[INFO] Deleting directory 
W:\openuss\foundation\foundation-core\target\test-classes
[INFO] [andromda-multi-source:add-source {execution: add-source}]
[INFO] [resources:resources]
[INFO] Using default encoding to copy filtered resources.
[INFO] artifact org.springframework:spring-mock: checking for 
updates from ibiblio
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[INFO] artifact log4j:log4j: checking for updates from andromda
[INFO] artifact log4j:log4j: checking for updates from myfaces-apache
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= '17db5589054b2838bc417c173bbe0cab52f1829a'; remote = 
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= '17db5589054b2838bc417c173bbe0cab52f1829a'; remote = 
'da39a3ee5e6b4b0d3255bfef95601890afd80709' - IGNORING
[INFO] artifact org.springframework:spring: checking for updates 
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[INFO] artifact org.hibernate:hibernate: checking for updates from 
ibiblio
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[INFO] artifact org.hibernate:hibernate: checking for updates from 
andromda
[INFO] artifact org.hibernate:hibernate: checking for updates from 
myfaces-apache
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apache
[INFO] artifact org.hibernate:hibernate: checking for updates from 
central
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[INFO] artifact jaybird:jaybird-full: checking for updates from apache
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central
Downloading: 
http://www.ibiblio.org/maven2/jaybird/jaybird-full/2.0.1/jaybird-full-2.0.1.pom 

[WARNING] Unable to get resource from repository ibiblio 
(http://repo1.ibilio.org/maven2)
Downloading: 
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[WARNING] Unable to get resource from repository andromda 
(http://team.andromda.org/maven2)
Downloading: 
http://myfaces.zones.apache.org/dist/maven-repository//jaybird/jaybird-full/2.0.1/jaybird-full-2.0.1.pom 

[WARNING] Unable to get resource from repository myfaces-apache 
(http://myfaces.zones.apache.org/dist/maven-repository/)
Downloading: 
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[WARNING] Unable to get resource from repository apache 
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Downloading: 
http://repo1.maven.org/maven2/jaybird/jaybird-full/2.0.1/jaybird-full-2.0.1.pom 

[WARNING] Unable to get resource from repository central 
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[INFO] [compiler:compile]
Compiling 6 source files to 
W:\openuss\foundation\foundation-core\target\classes
[INFO] 
------------------------------------------------------------------------ 

[ERROR] BUILD FAILURE
[INFO] 
------------------------------------------------------------------------ 

[INFO] Compilation failure
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\EnrollmentImpl.java:[12,42] 
cannot find symbol
symbol  : class EnrollmentBase
location: package org.openuss.foundation.lecture
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\EnrollmentImpl.java:[13,49] 
cannot find symbol
symbol  : class Enrollment
location: package org.openuss.foundation.lecture
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\FacultyServiceImpl.java:[12,42] 
cannot find symbol
symbol  : class FacultyServiceBase
location: package org.openuss.foundation.lecture
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\FacultyServiceImpl.java:[18,69] 
cannot find symbol
symbol  : class Faculty
location: package org.openuss.foundation.lecture
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\FacultyDaoImpl.java:[12,42] 
cannot find symbol
symbol  : class FacultyDaoBase
location: package org.openuss.foundation.lecture
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\SubjectImpl.java:[12,42] 
cannot find symbol
symbol  : class SubjectBase
location: package org.openuss.foundation.lecture
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\SubjectImpl.java:[13,49] 
cannot find symbol
symbol  : class Subject
location: package org.openuss.foundation.lecture
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\PeriodImpl.java:[12,42] 
cannot find symbol
symbol  : class PeriodBase
location: package org.openuss.foundation.lecture
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\PeriodImpl.java:[13,49] 
cannot find symbol
symbol  : class Period
location: package org.openuss.foundation.lecture
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\FacultyImpl.java:[12,42] 
cannot find symbol
symbol  : class FacultyBase
location: package org.openuss.foundation.lecture
W:\openuss\foundation\foundation-core\src\main\java\org\openuss\foundation\lecture\FacultyImpl.java:[13,49] 
cannot find symbol
symbol  : class Faculty
location: package org.openuss.foundation.lecture
[INFO] 
------------------------------------------------------------------------ 

[INFO] For more information, run Maven with the -e switch
[INFO] 
------------------------------------------------------------------------ 

[INFO] Total time: 4 minutes 12 seconds
[INFO] Finished at: Thu May 25 09:38:13 CEST 2006
[INFO] Final Memory: 25M/53M
[INFO] 
------------------------------------------------------------------------ 


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