Hello Anton!
Thank you for your help! That explain some things, i was a bit confused,
because i just opened one of the locations in my browser
(namely
https://repository.mulesoft.org/nexus/content/repositories/public/javax/script/jruby-engine/1.1/)
and there, oh wonder, i find the following listing:
Index of /nexus/content/repositories/public/javax/script/jruby-engine/1.1/
Name Last Modified Size Description
Parent Directory
jruby-engine-1.1-jdk14.jar Fri May 23 18:44:23 UTC 2014 11276
jruby-engine-1.1-jdk14.jar.md5 Mon May 26 20:32:39 UTC 2014 32
jruby-engine-1.1-jdk14.jar.sha1 Mon May 26 20:32:39 UTC 2014 40
jruby-engine-1.1-jdk14.pom Fri May 23 18:44:28 UTC 2014 190
jruby-engine-1.1-jdk14.pom.sha1 Mon May 26 20:32:39 UTC 2014 40
But if i understand you correctly, the pom file placed there should be
named jruby-engine-1.1.pom, is that correct?
So, i would have to talk to mulesoft to clean their repository... Sorry
for disturbing the mailing list
Am 24.06.2015 um 15:30 schrieb Anton Tanasenko:
Hi,
If you remove all traces of jruby-engine from your local repo, you will see
that in second case maven will try to download both pom (which is missing,
more on that below) and the classified jar.
It does not try to download the jar in the first case because it is
referred to from a dependency that is marked as provided (your snippet).
Please consult [1] and note where it says that provided scope is not
transitive.
As for classifiers, those are only used on artifacts themselves, not on
pom. So the pom at [2] is completely wrong and will never be picked up by
maven.
Typical use case is a single project pom and several artifacts with
different classifiers.
[1]
https://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#Dependency_Scope
[2]
https://repository.mulesoft.org/nexus/content/repositories/public/javax/script/jruby-engine/1.1/jruby-engine-1.1-jdk14.pom
2015-06-24 13:55 GMT+03:00 Sören Daniel Krum <soren.k...@uninett.no>:
Hi!
I found a strange behaviour when having a referring to a dependency
dependency with classifier in my pom:
Let us say, my pom holds the following snippet:
<dependencies>
<dependency>
<groupId>org.mule.modules</groupId>
<artifactId>mule-module-scripting</artifactId>
<version>3.6.0</version>
<scope>provided</scope>
</dependency>
This strange mule thingy has a pom of its own, and in there is a
classified reference to javax.script:jruby-engine.
Then when calling
# mvn dependency:resolve -U | grep jruby-engine
i see the following log lines:
Downloading:
https://repository.mulesoft.org/nexus-ee/content/repositories/releases-ee/javax/script/jruby-engine/1.1/jruby-engine-1.1.pom
Downloading:
https://repository.mulesoft.org/releases/javax/script/jruby-engine/1.1/jruby-engine-1.1.pom
Downloading:
https://repository.mulesoft.org/nexus/content/repositories/public/javax/script/jruby-engine/1.1/jruby-engine-1.1.pom
Downloading:
https://repo.maven.apache.org/maven2/javax/script/jruby-engine/1.1/jruby-engine-1.1.pom
Downloading:
https://repository.mulesoft.org/nexus/content/repositories/public/javax/script/jruby-engine/1.1/jruby-engine-1.1.pom
[WARNING] The POM for javax.script:jruby-engine:jar:jdk14:1.1 is missing,
no dependency information available
So, even if the warning says that they searched for the classified (jdk14)
version, the debugging says they tried a download without classifier.
But when i add a direct dependency in my pom file like that:
<dependency>
<groupId>javax.script</groupId>
<artifactId>jruby-engine</artifactId>
<version>1.1</version>
<classifier>jdk14</classifier>
</dependency>
The log looks like that:
Downloading:
https://repository.mulesoft.org/nexus-ee/content/repositories/releases-ee/javax/script/jruby-engine/1.1/jruby-engine-1.1-jdk14.jar
Downloading:
https://repository.mulesoft.org/releases/javax/script/jruby-engine/1.1/jruby-engine-1.1-jdk14.jar
Downloading:
https://repository.mulesoft.org/nexus/content/repositories/public/javax/script/jruby-engine/1.1/jruby-engine-1.1-jdk14.jar
Downloaded:
https://repository.mulesoft.org/nexus/content/repositories/public/javax/script/jruby-engine/1.1/jruby-engine-1.1-jdk14.jar
(0 B at 0.0 KB/sec)
[INFO] javax.script:jruby-engine:jar:jdk14:1.1:compile
Then they are really resolving the classifier and they really search for
the classified version. I attach a stripped down pom file, if someone wants
to give it a try...
Am i missing something? Or is that considered to work like that?
--
Med vennlig hilsen / Mit freundlichem Gruß / Kind regards
Sören Krum
System Ingeniør - System
UNINETT AS
www.uninett.no
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UNINETT AS
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