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http://jira.codehaus.org/browse/MNG-4452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=250857#action_250857
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Andrei Pozolotin commented on MNG-4452:
---------------------------------------
I guess, I must clarify:
1) yes I see in 3.0.1 that shapshots metadata does includes classifier;
2) the problem is that resolver still does not find attached artifacts form
previous deployments;
for example, this is repo metadata after 2 deployments:
note, that artifacts of interest are (build 83 and 84):
com.barchart.udt:barchart-udt4:1.0.2-20110108.023638-83:i386-Linux-g++-jni:nar
com.barchart.udt:barchart-udt4:1.0.2-20110108.023723-84:amd64-Linux-g++-jni:nar
##############################################################
<metadata modelVersion="1.1.0">
<groupId>com.barchart.udt</groupId>
<artifactId>barchart-udt4</artifactId>
<version>1.0.2-SNAPSHOT</version>
−
<versioning>
−
<snapshot>
<timestamp>20110108.023723</timestamp>
<buildNumber>84</buildNumber>
</snapshot>
<lastUpdated>20110108023723</lastUpdated>
−
<snapshotVersions>
−
<snapshotVersion>
<extension>jar</extension>
<value>1.0.2-20110108.023723-84</value>
<updated>20110108023723</updated>
</snapshotVersion>
−
<snapshotVersion>
<extension>pom</extension>
<value>1.0.2-20110108.023723-84</value>
<updated>20110108023723</updated>
</snapshotVersion>
−
<snapshotVersion>
<classifier>noarch</classifier>
<extension>nar</extension>
<value>1.0.2-20110108.023723-84</value>
<updated>20110108023723</updated>
</snapshotVersion>
−
<snapshotVersion>
<classifier>i386-Linux-g++-jni</classifier>
<extension>nar</extension>
<value>1.0.2-20110108.023638-83</value>
<updated>20110108023638</updated>
</snapshotVersion>
−
<snapshotVersion>
<classifier>amd64-Linux-g++-jni</classifier>
<extension>nar</extension>
<value>1.0.2-20110108.023723-84</value>
<updated>20110108023723</updated>
</snapshotVersion>
</snapshotVersions>
</versioning>
</metadata>
##############################################################
and this is dependency declaration, I want 1 jar and 2 nar, platform dependent:
##############################################################
<dependency>
<groupId>com.barchart.udt</groupId>
<artifactId>barchart-udt4</artifactId>
<version>${barchart.version}</version>
<type>jar</type>
</dependency>
<dependency>
<groupId>com.barchart.udt</groupId>
<artifactId>barchart-udt4</artifactId>
<version>${barchart.version}</version>
<classifier>i386-Linux-g++-jni</classifier>
<type>nar</type>
</dependency>
<dependency>
<groupId>com.barchart.udt</groupId>
<artifactId>barchart-udt4</artifactId>
<version>${barchart.version}</version>
<classifier>amd64-Linux-g++-jni</classifier>
<type>nar</type>
</dependency>
##############################################################
and this is the error:
##############################################################
[INFO] Scanning for projects...
[INFO] snapshot com.barchart.udt:barchart-udt4-parent:1.0.0-SNAPSHOT: checking
for updates from sonatype-nexus-snapshots
[INFO] ------------------------------------------------------------------------
[INFO] Building Unnamed -
com.barchart.udt:barchart-udt4-bundle:jar:1.0.0-SNAPSHOT
[INFO] task-segment: [validate]
[INFO] ------------------------------------------------------------------------
[INFO] snapshot com.barchart.udt:barchart-udt4:1.0.2-SNAPSHOT: checking for
updates from sonatype-nexus-snapshots
Downloading:
https://oss.sonatype.org/content/repositories/snapshots/com/barchart/udt/barchart-udt4/1.0.2-SNAPSHOT/barchart-udt4-1.0.2-20110108.023723-84.pom
Downloading:
https://oss.sonatype.org/content/repositories/snapshots/com/barchart/udt/barchart-udt4/1.0.2-SNAPSHOT/barchart-udt4-1.0.2-20110108.023723-84.jar
78K downloaded (barchart-udt4-1.0.2-20110108.023723-84.jar)
Downloading:
https://oss.sonatype.org/content/repositories/snapshots/com/barchart/udt/barchart-udt4/1.0.2-SNAPSHOT/barchart-udt4-1.0.2-20110108.023723-84-i386-Linux-g++-jni.nar
Downloading:
https://oss.sonatype.org/content/repositories/snapshots/com/barchart/udt/barchart-udt4/1.0.2-SNAPSHOT/barchart-udt4-1.0.2-20110108.023723-84-amd64-Linux-g++-jni.nar
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Failed to resolve artifact.
##############################################################
in other words, the resolver tries to find
barchart-udt4-1.0.2-20110108.023723-84-i386-Linux-g++-jni.nar
and
barchart-udt4-1.0.2-20110108.023723-84-amd64-Linux-g++-jni.nar
both from latest build #84, instead of looking through the versioning
in order to find the file that actually exists in build #83:
barchart-udt4-1.0.2-20110108.023638-83:i386-Linux-g++-jni.nar
> Metadata for snapshots should include classifier
> ------------------------------------------------
>
> Key: MNG-4452
> URL: http://jira.codehaus.org/browse/MNG-4452
> Project: Maven 2 & 3
> Issue Type: Improvement
> Components: Artifacts and Repositories
> Affects Versions: 2.2.1, 3.0-alpha-4
> Reporter: Paul Benedict
> Assignee: Benjamin Bentmann
> Fix For: 3.0
>
>
> Please see the whole conversation here:
> http://old.nabble.com/Multi-Platform-snapshots-td25295999.html
> Essentially, an artifact's classifier isn't included in the repository's
> metadata of a snapshot. This makes it difficult (impossible?) to deploy
> multiply snapshots with different classifiers. The primary use case is to
> continuously build an artifact for different environments.
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