Bertrand Martin created MINVOKER-274:
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Summary: Use Groovy 3.x to prevent Java9+ warnings about Groovy
2.x using illegal reflection
Key: MINVOKER-274
URL: https://issues.apache.org/jira/browse/MINVOKER-274
Project: Maven Invoker Plugin
Issue Type: Improvement
Environment: JDK9+
Reporter: Bertrand Martin
h1. Problem
Running integration tests with *maven-invoker-plugin* in JDK with version >= 9
(incl. OpenJDK 11, 14, 15, etc.) will generate these un-aesthetic messages:
{noformat}
[INFO] run post-build script verify.groovy
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by
org.codehaus.groovy.reflection.CachedClass
(file:/d:/Dev2/maven/repository/org/codehaus/groovy/groovy-all/2.4.8/groovy-all-2.4.8.jar)
to method java.lang.Object.clone()
WARNING: Please consider reporting this to the maintainers of
org.codehaus.groovy.reflection.CachedClass
WARNING: Use --illegal-access=warn to enable warnings of further illegal
reflective access operations
WARNING: All illegal access operations will be denied in a future release
{noformat}
h1. Specification
Use Groovy 3.x which solved all illegal accesses that were in 2.x.
Most current version is:
{code:xml}
<groupId>org.codehaus.groovy</groupId>
<artifactId>groovy-all</artifactId>
<version>3.0.7</version>
<type>pom</type>
</dependency>
{code}
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