Maven 3… so what?

Abel Muiñosenior consultantNilistics, Inc.January 18th, 2011

Abel Muiño

Abel Muiño

Abel Muiño

Abel Muiño

IAM

Maven1to maven2Fr

om

maven 1 maven 2 maven 3original repository layout new repository layout drops maven 1 layout

many descriptor files pom.xml, settings.xml drops profiles.xml multiprojects are an

afterthoughtadded multiprojectsembedded use is an

afterthought

added embedderremoved reporting

ad-hoc build lifecycle defined build lifecycle parallel buildsreworked the internals

fasterreworked the internals

fasterjelly script plugins java plugins same java API

Maven3UpgradeTh

e

$ mvn --versionApache Maven 3.0.1 (r1038046; 2010-11-23 11:58:32+0100)

$ mvn clean install[INFO] --------------------------------------[INFO] BUILD SUCCESS[INFO] --------------------------------------

Bigchangesso

me

$ mvn package -T2C

$ mvn site

<profile> <id>maven-3</id> <activation> <file> <exists>${basedir}</exists> </file> </activation> <build> <pluginManagement> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-site-plugin</artifactId> <version>3.0-beta-3</version> </plugin> </plugins> </pluginManagement> <plugins> <plugin> <artifactId>maven-site-plugin</artifactId> <executions> <execution> <id>attach-descriptor</id> <goals> <goal>attach-descriptor</goal> </goals> </execution> </executions> </plugin> </plugins> </build></profile>

{ }

Mav

en2

com

pati

ble

<profile> <id>maven-3</id> <activation> <file> <exists>${basedir}</exists> </file> </activation> <build> <pluginManagement> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-site-plugin</artifactId> <version>3.0-beta-3</version> </plugin> </plugins> </pluginManagement> <plugins> <plugin> <artifactId>maven-site-plugin</artifactId> <executions> <execution> <id>attach-descriptor</id> <goals> <goal>attach-descriptor</goal> </goals> </execution> </executions> </plugin> </plugins> </build></profile>

{ }

Mav

en2

com

pati

ble

<profile> <id>maven-3</id> <activation> <file> <exists>${basedir}</exists> </file> </activation> <build> <pluginManagement> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-site-plugin</artifactId> <version>3.0-beta-3</version> </plugin> </plugins> </pluginManagement> <plugins> <plugin> <artifactId>maven-site-plugin</artifactId> <executions> <execution> <id>attach-descriptor</id> <goals> <goal>attach-descriptor</goal> </goals> </execution> </executions> </plugin> </plugins> </build></profile>

{ }

Mav

en2

com

pati

ble

<build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-site-plugin</artifactId> <version>3.0-beta-3</version>

<configuration><reportPlugins>

</reportPlugins></configuration>

</plugin> </plugins></build>M

aven

3 on

ly

<build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-site-plugin</artifactId> <version>3.0-beta-3</version>

<configuration><reportPlugins>

</reportPlugins></configuration>

</plugin> </plugins></build>M

aven

3 on

ly

Plugins from old reporting section

TinyThingsTh

e

Guidance built in

I don't care ifit works on your machine

I don't care ifit works on your machine

(We are not shipping your machine)

NO profiles.xml

maven 1 maven 2 maven 3original repository layout new repository layout drops maven 1 layout

many descriptor files pom.xml, settings.xml drops profiles.xml multiprojects are an

afterthoughtadded multiprojectsembedded use is an

afterthought

added embedderremoved reporting

ad-hoc build lifecycle defined build lifecycle parallel buildsreworked the internals

fasterreworked the internals

fasterjelly script plugins java plugins same java API

maven 1 maven 2 maven 3original repository layout new repository layout drops maven 1 layout

many descriptor files pom.xml, settings.xml drops profiles.xml multiprojects are an

afterthoughtadded multiprojectsembedded use is an

afterthought

added embedderremoved reporting

ad-hoc build lifecycle defined build lifecycle parallel buildsreworked the internals

fasterreworked the internals

fasterjelly script plugins java plugins same java API

Should youuse maven3?

Should youuse maven3?

Should youuse maven3?

Should youuse maven3?

Comesnext?W

hat

Polyglot Maven

maven shell

Compatibility notes: cwiki.apache.org/MAVEN/maven-3x-compatibility-notes.html

Site plugin notes: cwiki.apache.org/MAVEN/maven-3x-and-site-plugin.html

Polyglot Maven: github.com/sonatype/polyglot-maven

Maven Shell: github.com/sonatype/mvnsh

Great Beyond: http://www.flickr.com/photos/tonyjcase/2191160470/

Dunechaser: http://www.flickr.com/photos/dunechaser/3385957499/

fedfil: http://www.flickr.com/photos/fedfil/1196374459/

eyesore9: http://www.flickr.com/photos/eyesore9/4502273643

steveIOW: http://www.flickr.com/photos/steveiow/3875381817/

Daniel Hoherd: http://www.flickr.com/photos/warzauwynn/2167374017/

James Jordan: http://www.flickr.com/photos/jamesjordan/187232931/

prettydaisies: http://www.flickr.com/photos/prettydaisies/327192177/

Hartwig HKD http://www.flickr.com/photos/h-k-d/3629569854/

Ernest Figueras: http://www.flickr.com/photos/ernestfigueras/5284736179/

Thanks for your pictures!

Used under CC license

consulting for agilesoftware developmentnilistics.net