[jboss-jira] [JBoss JIRA] (DROOLS-5495) Drools Builder error "org/apache/commons/math3/util/ArithmeticUtils" by eclipse plugin

[Toshiya Kobayashi (Jira)]

Toshiya Kobayashi created DROOLS-5495:
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             Summary: Drools Builder error "org/apache/commons/math3/util/ArithmeticUtils" by eclipse plugin
                 Key: DROOLS-5495
                 URL: https://issues.redhat.com/browse/DROOLS-5495
             Project: Drools
          Issue Type: Bug
          Components: eclipse plugin
    Affects Versions: 7.39.0.Final
            Reporter: Toshiya Kobayashi
            Assignee: Kris Verlaenen
         Attachments: DroolsBuilderError.png

1. Install eclipse (tested with eclipse-java-2020-03)
2. "Install New Software" to install "Drools and jBPM" plugin via https://download.jboss.org/drools/release/7.39.0.Final/org.drools.updatesite/
3. Create a project -> Other -> Drools -> Drools Project
  ->  Choose second icon (= a project with sample assets), Press Next
  -> For "Build the project using:"
     A) Java and Drools runtime classes 
        -> Use "Manage Runtime Definision" to create a runtime which points to drools-distribution-7.39.0.Final/binaries
      B) Maven
  => The issue reproduced in both approaches
4. When you edit DRL or build a project in Eclipse, an error pop-up is raised. See attached DroolsBuilderError.png
{noformat}
Errors occurred during the build.
Errors running builder 'Drools Builder' on project 'Drools_2'.
org/apache/commons/math3/util/ArithmeticUtils
{noformat}




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