Arnoud, You don't need to set the project version if it's the same as the parent. It's inherited from the parent.
/Anders On Tue, Oct 26, 2010 at 21:00, Arnaud bourree <[email protected]>wrote: > 2010/10/26 Babak Farhang <[email protected]>: > > Hi everyone, > > > > I have a nested, multi-module project in which every module's pom > > inherits from a root pom. I'd like to find a way to avoid duplicating > > the parent pom version number in every submodule. The aim is to keep > > the version number for these submodules in sync with one another, from > > one release to the next. Here's a strategy I've tried using > > profiles.xml that doesn't quite work. > > > > profiles.xml: > > ========== > > > > <profilesXml> > > <profiles> > > <profile> > > <id>projectProfile</id> > > <activation> > > <activeByDefault>true</activeByDefault> > > </activation> > > <properties> > > <!-- This is the property injection I'm having trouble with: --> > > <rootVersion>1.0.2</rootVersion> > > </properties> > > </profile> > > </profiles> > > </profilesXml> > > > > > > pom.xml (root): > > ============ > > > > <?xml version="1.0" encoding="UTF-8"?> > > <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > > xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 > > http://maven.apache.org/maven-v4_0_0.xsd";> > > <modelVersion>4.0.0</modelVersion> > > <groupId>com.myorg</groupId> > > <artifactId>root</artifactId> > > <name>Root</name> > > <version>${rootVersion}</version> > > <packaging>pom</packaging> > > <modules> > > <module>util</module> > > </modules> > > <properties> > > <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> > > > <org.springframework.version>3.0.2.RELEASE</org.springframework.version> > > <servlet.api.version>2.5</servlet.api.version> > > <log4j.version>1.2.16</log4j.version> > > <junit.version>3.8.1</junit.version> > > <httpclient.version>3.1</httpclient.version> > > <dnsjava.version>2.0.6</dnsjava.version> > > </properties> > > > > <build> > > <plugins> > > <plugin> > > <groupId>org.apache.maven.plugins</groupId> > > <artifactId>maven-compiler-plugin</artifactId> > > <configuration> > > <source>1.6</source> > > <target>1.6</target> > > <encoding>UTF-8</encoding> > > <debug>true</debug> > > <showDeprecation>true</showDeprecation> > > <showWarnings>true</showWarnings> > > <compilerArgument>-Xlint</compilerArgument> > > <compilerArguments> > > <Xmaxerrs>10000000</Xmaxerrs> > > <Xmaxwarns>10000000</Xmaxwarns> > > </compilerArguments> > > <verbose/> > > </configuration> > > </plugin> > > > > <plugin> > > <groupId>org.apache.maven.plugins</groupId> > > <artifactId>maven-surefire-plugin</artifactId> > > <configuration> > > <forkMode>pertest</forkMode> > > <argLine>-Xms256m -Xmx1024m</argLine> > > <testFailureIgnore>false</testFailureIgnore> > > <skip>false</skip> > > <includes> > > <include>**/*Test.java</include> > > </includes> > > </configuration> > > </plugin> > > </plugins> > > </build> > > </project> > > > > > > util/pom.xml: > > ========== > > <project xmlns="http://maven.apache.org/POM/4.0.0"; > > xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > > xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 > > http://maven.apache.org/maven-v4_0_0.xsd";> > > <modelVersion>4.0.0</modelVersion> > > <parent> > > <artifactId>root</artifactId> > > <groupId>com.myorg</groupId> > > <version>${rootVersion}</version> > > </parent> > > > > <artifactId>util</artifactId> > > <name>Common Utilities</name> > > <packaging>jar</packaging> > > <dependencies> > > <dependency> > > <groupId>junit</groupId> > > <artifactId>junit</artifactId> > > <version>${junit.version}</version> > > <scope>test</scope> > > </dependency> > > > > <dependency> > > <groupId>log4j</groupId> > > <artifactId>log4j</artifactId> > > <version>${log4j.version}</version> > > </dependency> > > > > </dependencies> > > </project> > > > > > > ================================ > > > > On mvn install'ing from the root directory of the project here's the > > directory I get: > > > > % tree ~/.m2/repository/com/myorg > > myorg/ > > |-- root > > | |-- 1.0.2 > > | | `-- root-1.0.2.pom > > | `-- maven-metadata-local.xml > > `-- util > > |-- ${rootVersion} > > | |-- util-${rootVersion}.jar > > | `-- util-${rootVersion}.pom > > `-- maven-metadata-local.xml > > > > Note that ${rootVersion} was not transformed to 1.0.2. Also, here's > > what's inside the root pom file after it's been installed: > > > > % cat ~/m2/repository/com/myorg/root/1.0.2/root-1.0.2.pom > > <?xml version="1.0" encoding="UTF-8"?> > > <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; > xsi:schemaLocatio > > n="http://maven.apache.org/POM/4.0.0 > http://maven.apache.org/maven-v4_0_0.xsd";> > > <modelVersion>4.0.0</modelVersion> > > <groupId>com.myorg</groupId> > > <artifactId>root</artifactId> > > <name>Root</name> > > <version>${rootVersion}</version> <!-- why wasn't 1.0.2 injected here? > --> > > <packaging>pom</packaging> > > <modules> > > <module>util</module> > > </modules> > > .. > > > > And here's the directory structrure I was hoping to get: > > > > myorg/ > > |-- root > > | |-- 1.0.2 > > | | `-- root-1.0.2.pom > > | `-- maven-metadata-local.xml > > `-- util > > |-- 1.0.2 > > | |-- util-1.0.2.jar > > | `-- util-1.0.2.pom > > `-- maven-metadata-local.xml > > > > > > > > > > > > Any insights as to how I should approach this? > > How Maven can evaluate ${rootVersion}? It needs ${rootVersion} to load > parent pom and then find ${rootVersion} > So for parent version you cannot used property. > > What you can do is: set root version in parent definition like > <version>1.0</version> > And in pom version set it ${parent.version} like > <version>${parent.version}</version> > Then when update root version, you only need to change parent version > of all your pom xpath: /project/parent/version > > Regards, > > Arnaud. > > > > > > -Babak > > > > PS This email is somewhat related to > > http://www.mail-archive.com/[email protected]/msg113594.html > > There, the concern is to avoid duplicating version numbers for > > dependent artifacts: here the concern is to avoid duplicating the > > version number of the parent POM. > > Started this new thread in order to disambiguate these 2 related but > > still separate issues. > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [email protected] > > For additional commands, e-mail: [email protected] > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
