Hi.
So, IIUC, this is only needed for testing modifications to CP.
Thanks for the explanation,
Gilles
On Sat, 3 Feb 2018 14:23:51 +0000, sebb wrote:
On 3 February 2018 at 14:00, Gilles <gil...@harfang.homelinux.org>
wrote:
On Sat, 3 Feb 2018 13:25:25 +0000, sebb wrote:
...
Note that you have to define the snapshots repo locally if you want
to
reference a snapshot parent.
This is because the ASF snapshot repo is not known by Maven.
It's defined in the apache pom which is referenced by the CP
snapshot
which of course cannot be found until it is first downloaded...
To get round this, you can add a profile like this to your
settings.xml:
<profile>
<id>snapshotrepo</id>
<repositories>
<repository>
<id>apache.snapshots.https</id>
<name>Apache Development Snapshot Repository</name>
<url>https://repository.apache.org/content/repositories/snapshots</url>
<releases>
<enabled>false</enabled>
</releases>
<snapshots>
<enabled>true</enabled>
<updatePolicy>always</updatePolicy>
</snapshots>
</repository>
</repositories>
</profile>
and invoke it with -Psnapshotrepo
In my "settings.xml", there is only a section with the credentials
for the snapshot repository; I can't see where the URL is defined
but the functionality works (snapshots are downloaded).
It will work for ordinary shapshots, but not for parent snapshots.
Try changing the parent version of a pom to 99-SNAPSHOT and see what
happens.
(Deliberately using a non-existent version so it won't be found
locally)
For me this fails with:
$ mvn clean
[ERROR] [ERROR] Some problems were encountered while processing the
POMs:
[FATAL] Non-resolvable parent POM for
org.apache.commons:commons-compress:1.16-SNAPSHOT: Could not find
artifact org.apache.commons:commons-parent:pom:99-SNAPSHOT and
'parent.relativePath' points at wrong local POM @ line 20, column 11
Note that it does not attempt a download.
Whereas if I use -Psnapshotrepo I get
$ mvn clean -Psnapshotrepo
[INFO] Scanning for projects...
Downloading:
https://repository.apache.org/content/repositories/snapshots/org/apache/commons/commons-parent/99-SNAPSHOT/maven-metadata.xml
Downloading:
https://repository.apache.org/content/repositories/snapshots/org/apache/commons/commons-parent/99-SNAPSHOT/commons-parent-99-SNAPSHOT.pom
[ERROR] [ERROR] Some problems were encountered while processing the
POMs:
[FATAL] Non-resolvable parent POM for
org.apache.commons:commons-compress:1.16-SNAPSHOT: Could not find
artifact org.apache.commons:commons-parent:pom:99-SNAPSHOT in
apache.snapshots.https
(https://repository.apache.org/content/repositories/snapshots) and
'parent.relativePath' points at wrong local POM @ line 20, column 11
i.e. it tries to download the pom but fails. This shows that the
snapshot repo has now been defined, as expected.
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