In both the the parent and child pom, there's no version 2.2. The only
version that is mentioned is 2.4.3.
However, I took a look in the repository and that gave some info.
Here's the output that I think is relevant:
> ls
2.2
2.3
2.4.2
2.4.3
maven-metadata-apache.incubating.releases.xml
maven-metadata-apache.m2.repo.xml
maven-metadata-apache.m2.repo.xml.sha1
maven-metadata-central.xml
maven-metadata-central.xml.sha1
maven-metadata-codehaus.repo.xml
maven-metadata-hello2morrow repository.xml
maven-metadata-java.net2.xml
maven-metadata-maven.liftweb.net.xml
maven-metadata-maven2-repository.dev.java.net.xml
maven-metadata-maven2.iodp.usio.xml
maven-metadata-open.iona.m2-all.xml
maven-metadata-open.iona.m2-all.xml.sha1
maven-metadata-open.iona.m2.xml
maven-metadata-scala-tools.org.xml
maven-metadata-tlc.xml
> cat maven-metadata-apache.m2.repo.xml
<?xml version="1.0" encoding="UTF-8"?><metadata>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.1.3</version>
<versioning>
<latest>2.4.2</latest>
<release>2.4.2</release>
<versions>
<version>2.0-beta-1</version>
<version>2.0</version>
<version>2.1</version>
<version>2.1.1</version>
<version>2.1.2</version>
<version>2.1.3</version>
<version>2.2</version>
<version>2.3</version>
<version>2.3.1</version>
<version>2.4</version>
<version>2.4.1</version>
<version>2.4.2</version>
</versions>
<lastUpdated>20080215231214</lastUpdated>
</versioning>
</metadata>
> cat maven-metadata-central.xml
<?xml version="1.0" encoding="UTF-8"?><metadata>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.1.3</version>
<versioning>
<latest>2.2</latest>
<release>2.2</release>
<versions>
<version>2.0-beta-1</version>
<version>2.0</version>
<version>2.1</version>
<version>2.1.1</version>
<version>2.1.2</version>
<version>2.1.3</version>
<version>2.2</version>
</versions>
<lastUpdated>20060514041238</lastUpdated>
</versioning>
</metadata>
The contents of "cat maven-metadata-central.xml" seems to be the reason why
help:describe returns 2.2. At least I can change the output of help:describe
to 2.4.3 by changing all 2.2. occurrences in this file to 2.4.3 (and I also
changed the lastUpdated, not sure whether that is actually needed).
But I still cannot find a reason why "help:describe" would return something
different than "help:effective-pom".
And while I have some intuition what is going on in the repository, I don't
understand its exact mechanics.
E.g. there is a plugin version 2.4.3 (see ls output above) but none of the
metadata files contains a 2.4.3 version. I would guess that downloading a
new version of the plugin would also give rise to one of the metadata
entries being updated.
- Rintcius
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