mvn package error

[bolak92]

Hello,

When I run "mvn package" the build is failing with the following error message:
[INFO] --- maven-shade-plugin:3.2.4:shade (default) @ rdkit-index --- [ERROR] The project main artifact does not exist. This could have the following [ERROR] reasons: [ERROR] - You have invoked the goal directly from the command line. This is not [ERROR] supported. Please add the goal to the default lifecycle via an [ERROR] <execution> element in your POM and use "mvn package" to have it run. [ERROR] - You have bound the goal to a lifecycle phase before "package". Please [ERROR] remove this binding from your POM such that the goal will be run in [ERROR] the proper phase. [ERROR] - You removed the configuration of the maven-jar-plugin that produces the main artifact. [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 41.605 s [INFO] Finished at: 2022-06-03T10:34:40+02:00 [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-shade-plugin:3.2.4:shade (default) on project rdkit-index: Failed to create shaded artifact, project main artifact does not exist. -> [Help 1] [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 full debug logging. [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/MojoExecutionException

the system information are:

• OS : Windows 10
• Apache Maven : 3.8.5
• Java : 11.0.15.1

Regards.

[ghost]

+1 on this from me.

Completely clean install of maven and Java via Anaconda. I've not used maven/java before (I work in Python) so could be missing something obvious.

Cloned the repo, ran the two install commands in the readme followed by "mvn package".

Ubuntu 20.04 running under WSL on Windows 11
Apache Maven 3.8.1
Java version: 11.0.13

I think my error is exactly the same.

[INFO] --- maven-shade-plugin:3.2.4:shade (default) @ rdkit-index ---
[ERROR] The project main artifact does not exist. This could have the following
[ERROR] reasons:
[ERROR] - You have invoked the goal directly from the command line. This is not
[ERROR]   supported. Please add the goal to the default lifecycle via an
[ERROR]   <execution> element in your POM and use "mvn package" to have it run.
[ERROR] - You have bound the goal to a lifecycle phase before "package". Please
[ERROR]   remove this binding from your POM such that the goal will be run in
[ERROR]   the proper phase.
[ERROR] - You removed the configuration of the maven-jar-plugin that produces the main artifact.
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  20.440 s
[INFO] Finished at: 2022-06-09T15:34:06+01:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-shade-plugin:3.2.4:shade (default) on project rdkit-index: Failed to create shaded artifact, project main artifact does not exist. -> [Help 1]
[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 full debug logging.
[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/MojoExecutionException

[ghost]

I have found the source of the problem.

Lines 153, 154, 155 of POM.xml:

        <configuration>
          <classifier>3.5</classifier>
        </configuration> 

Which are within the maven-jar-plugin definition. Comment these out (as per https://stackoverflow.com/questions/30672460/using-the-maven-jar-plugin-with-maven-shade-plugin) and the build finished, producing "rdkit-index-1.0.0.jar".

I don't know enough (or any) Java to claim that this is an actual fix or other problems doing this might casue, but it seems to solve the problem and the rdkit commands are showing up in my neo4j database.