[jboss-jira] [JBoss JIRA] (DROOLS-1762) kie-maven-plugin: Make use of project dependencies to avoid their declaration inside kie-maven-plugin

[Matej Čimbora (JIRA)]

Matej Čimbora created DROOLS-1762:
-------------------------------------

             Summary: kie-maven-plugin: Make use of project dependencies to avoid their declaration inside kie-maven-plugin
                 Key: DROOLS-1762
                 URL: https://issues.jboss.org/browse/DROOLS-1762
             Project: Drools
          Issue Type: Bug
          Components: build
            Reporter: Matej Čimbora
            Assignee: Massimiliano Dessi
         Attachments: dinnerparty.zip

Suppose I use a guided decision table, which contains a custom Planner RHS IAction (e.g. [ActionSimpleConstraintMatch|https://github.com/kiegroup/optaplanner/blob/master/optaplanner-integration/optaplanner-workbench-models/optaplanner-workbench-models-datamodel-api/src/main/java/org/optaplanner/workbench/models/datamodel/rule/ActionSimpleConstraintMatch.java]). The Planner IAction is located in the following module:


{code:xml}
<dependency>
      <groupId>org.optaplanner</groupId>
      <artifactId>optaplanner-workbench-models-datamodel-api</artifactId>
</dependency>
{code}

My project depends on the optaplanner-workbench-models-datamodel-api module, so does kie-maven-plugin, see the [link|https://github.com/kiegroup/droolsjbpm-integration/blob/master/kie-maven-plugin/pom.xml#L203]. If I remove the dependency from kie-maven-plugin, the build of my project fails with the following error:

{code:xml}
[ERROR] Failed to execute goal org.kie:kie-maven-plugin:8.0.0-SNAPSHOT:build (default-build) on project dinnerparty: Execution default-build of goal org.kie:kie-maven-plugin:8.0.0-SNAPSHOT:build failed:
[ERROR] ---- Debugging information ----
[ERROR] cause-exception     : com.thoughtworks.xstream.mapper.CannotResolveClassException
[ERROR] cause-message       : org.optaplanner.workbench.models.datamodel.rule.ActionSimpleConstraintMatch
[ERROR] class               : java.util.ArrayList
[ERROR] required-type       : java.util.ArrayList
[ERROR] converter-type      : com.thoughtworks.xstream.converters.collections.CollectionConverter
[ERROR] path                : /decision-table52/actionCols/org.drools.workbench.models.guided.dtable.shared.model.BRLActionColumn/definition/org.optaplanner.workbench.models.datamodel.rule.ActionSimpleConstraintMatch
[ERROR] class[1]            : org.drools.workbench.models.guided.dtable.shared.model.BRLActionColumn
[ERROR] converter-type[1]   : com.thoughtworks.xstream.converters.reflection.ReflectionConverter
[ERROR] class[2]            : org.drools.workbench.models.guided.dtable.shared.model.GuidedDecisionTable52
[ERROR] version             : 1.4.10
[ERROR] -------------------------------
{code}

I tried to load the org.optaplanner.workbench.models.datamodel.rule.ActionSimpleConstraintMatch class inside org.drools.workbench.models.guided.dtable.backend.GuidedDTXMLPersistence using getClass().getClassLoader().loadClass("org.optaplanner.workbench.models.datamodel.rule.ActionSimpleConstraintMatch"), leading to ClassNotFoundException.

Expected behavior:
Be able to use external classes in a kie project without the need to declare them directly in kie-maven-plugin. It should be enough to declare those dependencies in the project that I'm building.

Attaching a reproducer (dinnerparty.zip). Should build fine out of the box. Now try to make a local build of kie-maven-plugin with org.optaplanner:optaplanner-workbench-models-datamodel-api dependency removed. Build dinnerparty project again, the issue described above should pop up.




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