Maven 4 Compatibility Test Report

Oct 13, 2025 by wbrum.org 27 views

Maven 4 Compatibility Test Report

Repository Information

Repository: myfaces-extval
Status: ❌ Failed
Maven Version: 4.0.0-rc-3
Test Date: 2025-03-13T13:48:18.659Z
Chunk: 3

Maven Version Info

Apache Maven 4.0.0-rc-3 is the latest version of the popular build automation tool. It provides a wide range of features and plugins to simplify the build process. In this report, we will be testing the compatibility of myfaces-extval with Maven 4.0.0-rc-3.

Maven Version Info

Apache Maven 4.0.0-rc-3 (3952d00ce65df6753b63a51e86b1f626c55a8df2)
Maven home: /home/runner/work/maven4-testing/maven4-testing/apache-maven-4.0.0-rc-3
Java version: 17.0.14, vendor: Eclipse Adoptium, runtime: /usr/lib/jvm/temurin-17-jdk-amd64
Default locale: en, platform encoding: UTF-8
OS name: "linux", version: "6.8.0-1021-azure", arch: "amd64", family: "unix"

Build Error Details

During the testing process, we encountered an error while building the myfaces-extval project. The error message is as follows:

Build Error Details

Apache Maven 4.0.0-rc-3 (3952d00ce65df6753b63a51e86b1f626c55a8df2)
Maven home: /home/runner/work/maven4-testing/maven4-testing/apache-maven-4.0.0-rc-3
Java version: 17.0.14, vendor: Eclipse Adoptium, runtime: /usr/lib/jvm/temurin-17-jdk-amd64
Default locale: en, platform encoding: UTF-8
OS name: "linux", version: "6.8.0-1021-azure", arch: "amd64", family: "unix"
[WARNING] Unable to find the root directory. Create a .mvn directory in the root directory or add the root="true" attribute on the root project's model to identify it.
[INFO] Scanning for projects...
[ERROR] Some problems were encountered while processing the POMs
[ERROR] The build could not read 1 project -> [Help 1]
[ERROR]   
[ERROR]   The project org.apache.myfaces.extensions.validator:myfaces-extval-module:pom:1.2.7-SNAPSHOT (/home/runner/work/maven4-testing/maven4-testing/project/pom.xml) has 1 error
[ERROR]     'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-compiler-plugin @ org.apache.myfaces.extensions.validator:myfaces-extval-module:1.2.7-SNAPSHOT, file:///home/runner/work/maven4-testing/maven4-testing/project/pom.xml, line 228, column 13
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the '-e' switch
[ERROR] Re-run Maven using the '-X' switch to enable verbose output
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException

Error Analysis

The error message indicates that there is a duplicate declaration of the maven-compiler-plugin in the pom.xml file. This is causing the build process to fail. To resolve this issue, we need to remove the duplicate declaration and ensure that the plugin is declared only once in the pom.xml file.

Conclusion

In conclusion, the myfaces-extval project failed to build with Maven 4.0.0-rc-3 due to a duplicate declaration of the maven-compiler-plugin in the pom.xml file. To resolve this issue, we need to remove the duplicate declaration and ensure that the plugin is declared only once in the pom.xml file.

Recommendations

Remove the duplicate declaration of the maven-compiler-plugin in the pom.xml file.
Ensure that the plugin is declared only once in the pom.xml file.
Run the build process again to verify that the issue is resolved.

Future Work

Maven 4 Compatibility Test Report

Q&A Session

In this Q&A session, we will be addressing some of the common questions related to the Maven 4 test results for myfaces-extval (4.0.0-rc-3).

Q: What is the status of the myfaces-extval project with Maven 4.0.0-rc-3?

A: The myfaces-extval project failed to build with Maven 4.0.0-rc-3 due to a duplicate declaration of the maven-compiler-plugin in the pom.xml file.

Q: What is the error message that was encountered during the build process?

A: The error message is as follows:

[WARNING] Unable to find the root directory. Create a .mvn directory in the root directory or add the root="true" attribute on the root project's model to identify it.
[INFO] Scanning for projects...
[ERROR] Some problems were encountered while processing the POMs
[ERROR] The build could not read 1 project -> [Help 1]
[ERROR]   
[ERROR]   The project org.apache.myfaces.extensions.validator:myfaces-extval-module:pom:1.2.7-SNAPSHOT (/home/runner/work/maven4-testing/maven4-testing/project/pom.xml) has 1 error
[ERROR]     'build.plugins.plugin.(groupId:artifactId)' must be unique but found duplicate declaration of plugin org.apache.maven.plugins:maven-compiler-plugin @ org.apache.myfaces.extensions.validator:myfaces-extval-module:1.2.7-SNAPSHOT, file:///home/runner/work/maven4-testing/maven4-testing/project/pom.xml, line 228, column 13
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the '-e' switch
[ERROR] Re-run Maven using the '-X' switch to enable verbose output
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException

Q: How can I resolve the issue with the duplicate declaration of the `maven-compiler-plugin`?

A: To resolve the issue, you need to remove the duplicate declaration of the maven-compiler-plugin in the pom.xml file. You can do this by deleting the duplicate declaration and ensuring that the plugin is declared only once in the pom.xml file.

Q: What are the recommended steps to resolve the issue?

A: The recommended steps to resolve the issue are as follows:

Remove the duplicate declaration of the maven-compiler-plugin in the pom.xml file.
Ensure that the plugin is declared only once in the pom.xml file.
Run the build process again to verify that the issue is resolved.

Q: What are the future plans for testing the compatibility of myfaces-extval with Maven 4.0.0-rc-3?

A: In the future, we plan to continue testing the compatibility of myfaces-extval with Maven 4.0.0-rc-3 and resolve any issues that may arise. We also plan to provide more detailed instructions on how to resolve the issue and ensure that the build process is successful.

Q: Where can I find more information about the errors and possible solutions?

A: You can find more information about the errors and possible solutions by reading the following articles:

[Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException

Q: How can I get in touch with the development team for further assistance?

A: You can get in touch with the development team by submitting a ticket or sending an email to the development team's email address.