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Posted to users@maven.apache.org by asookazian <as...@gmail.com> on 2010/07/02 07:02:34 UTC
how does Maven determine which version to download for a plugin
when no version specified
Using Maven 3 beta 1...
I have the following XML snippet in my pom.xml:
env-dev
true
maven-antrun-plugin
echodir
run
verify
false
Build Dir: ${project.build.directory}
....
Note that the version tag is commented out. The version that was downloaded
by Maven was from this URL:
https://repository.jboss.org/nexus/content/groups/public/org/apache/maven/plugins/maven-antrun-plugin/
and specifically it used version 1.3:
Downloading:
https://repository.jboss.org/nexus/content/groups/public/org/apache/maven/plugins/maven-antrun-plugin/1.3/maven-antrun-plugin-1.3.jar
How does Maven know which version to download when the version is not
specified? thx.
BTW, I have the following in my settings.xml:
jboss-public-repository
jboss-public-repository-group
JBoss Public Maven Repository Group
https://repository.jboss.org/nexus/content/groups/public/
default
true
never
true
never
jboss-public-repository-group
JBoss Public Maven Repository Group
https://repository.jboss.org/nexus/content/groups/public/
default
true
never
true
never
jboss-public-repository
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Re: how does Maven determine which version to download for a plugin
when no version specified
Posted by asookazian <as...@gmail.com>.
Anders Hammar wrote:
>
> I don't know. If i recall correctly, the help:describe mojo by default
> works
> on the latest version of the plugin being described, when I use it with
> Maven-3.0-beta1. I could be wrong, but that's how I recall tings. So, I
> always specify the version [1] when I use help:describe. That way I have
> full control of what version of the plugin that will be described. This is
> important I think, as there are differences between version of a plugin
> and
> I want to be sure to get the info of the version I'm working with.
>
> /Anders
>
>
I switched from 2.0.8 to 3.0-BETA1 and it used 2.2 again (I have 2.2 and 2.3
in my local repo). So the behavior is consistent with 2.0 and 3.0...
C:\>mvn --version
Apache Maven 3.0-beta-1 (r935667; 2010-04-19 10:00:39-0700)
Java version: 1.5.0_22
Java home: C:\Program Files\Java\jdk1.5.0_22\jre
Default locale: en_US, platform encoding: Cp1252
OS name: "windows xp" version: "5.1" arch: "x86" Family: "windows"
C:\>mvn help:describe -DgroupId=org.apache.maven.plugins
-DartifactId=maven-inst
all-plugin -Dmedium=true
[INFO] Scanning for projects...
[INFO]
[INFO]
------------------------------------------------------------------------
[INFO] Building Maven Stub Project (No POM) 1
[INFO]
------------------------------------------------------------------------
[INFO]
[INFO] --- maven-help-plugin:2.0.2:describe (default-cli) @ standalone-pom
---
Downloading:
http://repo1.maven.org/maven2/doxia/doxia-sink-api/1.0-alpha-4/doxi
a-sink-api-1.0-alpha-4.jar
Downloading:
http://repo1.maven.org/maven2/org/apache/maven/wagon/wagon-file/1.0
-alpha-5/wagon-file-1.0-alpha-5.jar
Downloading:
http://repo1.maven.org/maven2/org/apache/maven/reporting/maven-repo
rting-api/2.0/maven-reporting-api-2.0.jar
Downloading:
http://repo1.maven.org/maven2/org/apache/maven/wagon/wagon-http-lig
htweight/1.0-alpha-5/wagon-http-lightweight-1.0-alpha-5.jar
Downloaded:
http://repo1.maven.org/maven2/org/apache/maven/wagon/wagon-http-ligh
tweight/1.0-alpha-5/wagon-http-lightweight-1.0-alpha-5.jar (8 KB at 26.6
KB/sec)
Downloaded:
http://repo1.maven.org/maven2/doxia/doxia-sink-api/1.0-alpha-4/doxia
-sink-api-1.0-alpha-4.jar (5 KB at 3.3 KB/sec)
Downloaded:
http://repo1.maven.org/maven2/org/apache/maven/wagon/wagon-file/1.0-
alpha-5/wagon-file-1.0-alpha-5.jar (6 KB at 2.5 KB/sec)
Downloaded:
http://repo1.maven.org/maven2/org/apache/maven/reporting/maven-repor
ting-api/2.0/maven-reporting-api-2.0.jar (7 KB at 2.0 KB/sec)
[INFO] Plugin: 'org.apache.maven.plugins:maven-install-plugin:2.2'
-----------------------------------------------
Group Id: org.apache.maven.plugins
Artifact Id: maven-install-plugin
Version: 2.2
Goal Prefix: install
Description:
Maven Plugins
Mojos:
Goal: 'install-file'
Description:
Installs a file in local repository.
Goal: 'install'
Description:
Installs project's main artifact in local repository.
[INFO]
------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 4.875s
[INFO] Finished at: Wed Jul 07 10:01:56 PDT 2010
[INFO] Final Memory: 3M/6M
[INFO]
------------------------------------------------------------------------
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Re: how does Maven determine which version to download for a plugin
when no version specified
Posted by Anders Hammar <an...@hammar.net>.
I don't know. If i recall correctly, the help:describe mojo by default works
on the latest version of the plugin being described, when I use it with
Maven-3.0-beta1. I could be wrong, but that's how I recall tings. So, I
always specify the version [1] when I use help:describe. That way I have
full control of what version of the plugin that will be described. This is
important I think, as there are differences between version of a plugin and
I want to be sure to get the info of the version I'm working with.
/Anders
[1]
http://maven.apache.org/plugins/maven-help-plugin/describe-mojo.html#version
On Wed, Jul 7, 2010 at 18:01, asookazian <as...@gmail.com> wrote:
>
>
> When you don't specify the version of a plugin, Maven should download the
> latest version. However, very often the version is defined through a
> pluginManagement section. This could be either in your pom hierarchy or in
> Maven's super-POM. In your case, the version of the antrun-plugin is
> defined
> in the super-POM of Maven 3.0-beta-1.
>
> /Anders
>
> using maven 2.0.8, when i don't specify the version, it uses 2.2 when I run
> this cmd:
>
> C:\projects\clean\com.echo.cis.gui\com.echo.cis.gui.ear>mvn help:describe
> -DgroupId=org.apache.maven.plugins -DartifactId=maven-install-plugin
> -Dmedium=true
>
> I have two versions in my local m2 repo:
>
> C:\Documents and
>
> Settings\asookazian\.m2\repo2\org\apache\maven\plugins\maven-install-plugin\2.2
> C:\Documents and
>
> Settings\asookazian\.m2\repo2\org\apache\maven\plugins\maven-install-plugin\2.3
>
> The pom-4.0.0.xml (the super POM i'm assuming) does not specify the version
> of the maven-install-plugin (there is no reference to maven-install-plugin
> at all).
>
> So how does Maven know to use 2.2 in this case?
> --
> View this message in context:
> http://maven.40175.n5.nabble.com/how-does-Maven-determine-which-version-to-download-for-a-plugin-when-no-version-specified-tp512519p1044765.html
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>
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>
>
Re: how does Maven determine which version to download for a plugin
when no version specified
Posted by asookazian <as...@gmail.com>.
When you don't specify the version of a plugin, Maven should download the
latest version. However, very often the version is defined through a
pluginManagement section. This could be either in your pom hierarchy or in
Maven's super-POM. In your case, the version of the antrun-plugin is defined
in the super-POM of Maven 3.0-beta-1.
/Anders
using maven 2.0.8, when i don't specify the version, it uses 2.2 when I run
this cmd:
C:\projects\clean\com.echo.cis.gui\com.echo.cis.gui.ear>mvn help:describe
-DgroupId=org.apache.maven.plugins -DartifactId=maven-install-plugin
-Dmedium=true
I have two versions in my local m2 repo:
C:\Documents and
Settings\asookazian\.m2\repo2\org\apache\maven\plugins\maven-install-plugin\2.2
C:\Documents and
Settings\asookazian\.m2\repo2\org\apache\maven\plugins\maven-install-plugin\2.3
The pom-4.0.0.xml (the super POM i'm assuming) does not specify the version
of the maven-install-plugin (there is no reference to maven-install-plugin
at all).
So how does Maven know to use 2.2 in this case?
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Re: how does Maven determine which version to download for a plugin
when no version specified
Posted by asookazian <as...@gmail.com>.
answer here:
http://www.sonatype.com/books/mvnref-book/reference/resource-filtering-sect-properties.html
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Re: how does Maven determine which version to download for a plugin
when no version specified
Posted by asookazian <as...@gmail.com>.
Where are the variables (properties?) defined?
e.g. <finalName>${project.artifactId}-${project.version}</finalName>
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Re: how does Maven determine which version to download for a plugin
when no version specified
Posted by Anders Hammar <an...@hammar.net>.
This svn path should help you figure that out:
http://svn.apache.org/viewvc/maven/maven-3/trunk/maven-model-builder/src/main/resources/org/apache/maven/model/pom-4.0.0.xml?view=markup
/Anders
On Fri, Jul 2, 2010 at 07:33, asookazian <as...@gmail.com> wrote:
>
> Thanks!
>
> I was able to locate the following relevant XML snippet in pom-4.0.0.xml
> for
> Maven 2.2.1 in the maven-2.2.1-uber.jar:
>
> <plugin>
> <artifactId>maven-antrun-plugin</artifactId>
> <version>1.3</version>
> </plugin>
>
> For Maven 3 beta 1 there is no *uber.jar (it's modularized like Seam 3 and
> Spring 3).
>
> Where is the equivalent to pom-4.0.0.xml located in Maven 3 JAR? i.e.
> which
> JAR and what path and filename? thx.
> --
> View this message in context:
> http://maven.40175.n5.nabble.com/how-does-Maven-determine-which-version-to-download-for-a-plugin-when-no-version-specified-tp512519p512527.html
> Sent from the Maven - Users mailing list archive at Nabble.com.
>
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>
>
Re: how does Maven determine which version to download for a plugin
when no version specified
Posted by asookazian <as...@gmail.com>.
Thanks!
I was able to locate the following relevant XML snippet in pom-4.0.0.xml for
Maven 2.2.1 in the maven-2.2.1-uber.jar:
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<version>1.3</version>
</plugin>
For Maven 3 beta 1 there is no *uber.jar (it's modularized like Seam 3 and
Spring 3).
Where is the equivalent to pom-4.0.0.xml located in Maven 3 JAR? i.e. which
JAR and what path and filename? thx.
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Re: how does Maven determine which version to download for a plugin
when no version specified
Posted by Anders Hammar <an...@hammar.net>.
When you don't specify the version of a plugin, Maven should download the
latest version. However, very often the version is defined through a
pluginManagement section. This could be either in your pom hierarchy or in
Maven's super-POM. In your case, the version of the antrun-plugin is defined
in the super-POM of Maven 3.0-beta-1.
/Anders
On Fri, Jul 2, 2010 at 07:03, asookazian <as...@gmail.com> wrote:
>
> Using Maven 3 beta 1...
>
> I have the following XML snippet in my pom.xml:
>
> <profiles>
> <profile>
> <id>env-dev</id>
> <activation>
> <activeByDefault>true</activeByDefault>
> </activation>
> <build>
> <pluginManagement>
> <plugins>
> <plugin>
> <artifactId>maven-antrun-plugin</artifactId>
> <!-- <version>1.4</version> -->
> <executions>
> <execution>
> <id>echodir</id>
> <goals>
> <goal>run</goal>
> </goals>
> <phase>verify</phase>
> <inherited>false</inherited>
> <configuration>
> <tasks>
> <echo>Build Dir:
> ${project.build.directory}</echo>
> </tasks>
> </configuration>
> </execution>
> </executions>
>
> </plugin>
> ....
> </profiles>
>
> Note that the version tag is commented out. The version that was
> downloaded
> by Maven was from this URL:
>
> https://repository.jboss.org/nexus/content/groups/public/org/apache/maven/plugins/maven-antrun-plugin/
>
> and specifically it used version 1.3:
>
> Downloading:
>
> https://repository.jboss.org/nexus/content/groups/public/org/apache/maven/plugins/maven-antrun-plugin/1.3/maven-antrun-plugin-1.3.jar
>
> How does Maven know which version to download when the version is not
> specified? thx.
>
> BTW, I have the following in my settings.xml:
>
> <profiles>
>
> <profile>
> <id>jboss-public-repository</id>
> <repositories>
> <repository>
> <id>jboss-public-repository-group</id>
> <name>JBoss Public Maven Repository Group</name>
>
> <url>https://repository.jboss.org/nexus/content/groups/public/</url>
> <layout>default</layout>
> <releases>
> <enabled>true</enabled>
> <updatePolicy>never</updatePolicy>
> </releases>
> <snapshots>
> <enabled>true</enabled>
> <updatePolicy>never</updatePolicy>
> </snapshots>
> </repository>
> </repositories>
> <pluginRepositories>
> <pluginRepository>
> <id>jboss-public-repository-group</id>
> <name>JBoss Public Maven Repository Group</name>
>
> <url>https://repository.jboss.org/nexus/content/groups/public/</url>
> <layout>default</layout>
> <releases>
> <enabled>true</enabled>
> <updatePolicy>never</updatePolicy>
> </releases>
> <snapshots>
> <enabled>true</enabled>
> <updatePolicy>never</updatePolicy>
> </snapshots>
> </pluginRepository>
> </pluginRepositories>
> </profile>
> </profiles>
>
> <activeProfiles>
> <activeProfile>jboss-public-repository</activeProfile>
> </activeProfiles>
> --
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>
Re: how does Maven determine which version to download for a plugin
when no version specified
Posted by asookazian <as...@gmail.com>.
Using Maven 3 beta 1...
I have the following XML snippet in my pom.xml:
<profiles>
<profile>
<id>env-dev</id>
<activation>
<activeByDefault>true</activeByDefault>
</activation>
<build>
<pluginManagement>
<plugins>
<plugin>
<artifactId>maven-antrun-plugin</artifactId>
<!-- <version>1.4</version> -->
<executions>
<execution>
<id>echodir</id>
<goals>
<goal>run</goal>
</goals>
<phase>verify</phase>
<inherited>false</inherited>
<configuration>
<tasks>
<echo>Build Dir: ${project.build.directory}</echo>
</tasks>
</configuration>
</execution>
</executions>
</plugin>
....
</profiles>
Note that the version tag is commented out. The version that was downloaded
by Maven was from this URL:
https://repository.jboss.org/nexus/content/groups/public/org/apache/maven/plugins/maven-antrun-plugin/
and specifically it used version 1.3:
Downloading:
https://repository.jboss.org/nexus/content/groups/public/org/apache/maven/plugins/maven-antrun-plugin/1.3/maven-antrun-plugin-1.3.jar
How does Maven know which version to download when the version is not
specified? thx.
BTW, I have the following in my settings.xml:
<profiles>
<profile>
<id>jboss-public-repository</id>
<repositories>
<repository>
<id>jboss-public-repository-group</id>
<name>JBoss Public Maven Repository Group</name>
<url>https://repository.jboss.org/nexus/content/groups/public/</url>
<layout>default</layout>
<releases>
<enabled>true</enabled>
<updatePolicy>never</updatePolicy>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>never</updatePolicy>
</snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>jboss-public-repository-group</id>
<name>JBoss Public Maven Repository Group</name>
<url>https://repository.jboss.org/nexus/content/groups/public/</url>
<layout>default</layout>
<releases>
<enabled>true</enabled>
<updatePolicy>never</updatePolicy>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>never</updatePolicy>
</snapshots>
</pluginRepository>
</pluginRepositories>
</profile>
</profiles>
<activeProfiles>
<activeProfile>jboss-public-repository</activeProfile>
</activeProfiles>
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