[MPMD-403] Standalone :pmd goal cannot be executed for 'skin cannot be null'

• Type: Wish
• Status: Closed
• Priority: Minor
• Resolution: Not A Problem
• Affects Version/s: 3.25.0
• Component/s: PMD
• Environment: Apache Maven 3.9.9 (8e8579a9e76f7d015ee5ec7bfcdc97d260186937) ; ; Java version: 21.0.4
• Assignee: Michael Osipov
• Reporter: Piotr Zygielo
• Created: 07/Sep/24 13:26
• Updated: 08/Sep/24 14:57
• Resolved: 08/Sep/24 08:41

Description

For example with project that has no m-pmd-p configured:

$ git init maven-jar-plugin
$ cd maven-jar-plugin
$ git remote add origin https://github.com/apache/maven-jar-plugin
$ git fetch origin --depth=1 be27b5f35a8ca911a459d992c9c8f106084bf525
$ git checkout be27b5f35a8ca911a459d992c9c8f106084bf525

previously (3.24.0):

$ mvn org.apache.maven.plugins:maven-pmd-plugin:3.24.0:pmd
...
[INFO] --- pmd:3.24.0:pmd (default-cli) @ maven-jar-plugin ---
[WARNING] Unable to locate Source XRef to link to - DISABLED
[INFO] PMD version: 7.3.0
[INFO] Rendering content with org.apache.maven.skins:maven-default-skin:jar:1.3 skin.
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  7.372 s
[INFO] Finished at: 2024-09-07T15:04:57+02:00
[INFO] ------------------------------------------------------------------------

while now (3.25.0):

$ mvn org.apache.maven.plugins:maven-pmd-plugin:3.25.0:pmd
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  7.802 s
[INFO] Finished at: 2024-09-07T15:08:59+02:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-pmd-plugin:3.25.0:pmd (default-cli) on project maven-jar-plugin: Execution default-cli of goal org.apache.maven.plugins:maven-pmd-plugin:3.25.0:pmd failed: skin cannot be null -> [Help 1]

 

# first bad commit: [c31b29af9835652db9ab0b9e919c8e14bc4efabf] [MPMD-389] Upgrade to Doxia 2.0.0 Milestone Stack

---

After checking site.xml there (m-jar-p), and adding <skin> it's fine to use 3.25.0.
Thus changing the type and priority.

Feel free to close as invalid. I'm sorry for the noise.

Issue Links

• links to: Doxia PR #227 to expose no-op sink/format