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https://issues.apache.org/jira/browse/MPH-210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Elliotte Rusty Harold updated MPH-210:
--------------------------------------
Issue Type: Bug (was: New Feature)
> Failure to evaluate on Maven 3.9 + JDK 21
> -----------------------------------------
>
> Key: MPH-210
> URL: https://issues.apache.org/jira/browse/MPH-210
> Project: Maven Help Plugin
> Issue Type: Bug
> Reporter: Guillaume Nodet
> Priority: Major
>
> Note that this only happens on JDK >= 21 and Maven 3.x.
> {code}
> ➜ maven-help-plugin git:(master) ✗ mvn -V help:evaluate
> -Dexpression=project.build.resources
> Apache Maven 3.9.5 (57804ffe001d7215b5e7bcb531cf83df38f93546)
> Maven home: /Users/gnodet/.sdkman/candidates/maven/3.9.5
> Java version: 21, vendor: Oracle Corporation, runtime:
> /Users/gnodet/.sdkman/candidates/java/21-open
> Default locale: en_FR, platform encoding: UTF-8
> OS name: "mac os x", version: "14.0", arch: "aarch64", family: "mac"
> [INFO] Scanning for projects...
> [INFO]
> [INFO] -------------< org.apache.maven.plugins:maven-help-plugin
> >-------------
> [INFO] Building Apache Maven Help Plugin 3.4.1-SNAPSHOT
> [INFO] from pom.xml
> [INFO] ----------------------------[ maven-plugin
> ]----------------------------
> [INFO]
> [INFO] --- help:3.3.0:evaluate (default-cli) @ maven-help-plugin ---
> [INFO] No artifact parameter specified, using
> 'org.apache.maven.plugins:maven-help-plugin:maven-plugin:3.4.1-SNAPSHOT' as
> project.
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 0.586 s
> [INFO] Finished at: 2023-10-19T15:28:12+02:00
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-help-plugin:3.3.0:evaluate (default-cli) on
> project maven-help-plugin: Execution default-cli of goal
> org.apache.maven.plugins:maven-help-plugin:3.3.0:evaluate failed: No
> converter available
> [ERROR] ---- Debugging information ----
> [ERROR] message : No converter available
> [ERROR] type :
> org.apache.maven.model.merge.ModelMerger$MergingList
> [ERROR] converter :
> com.thoughtworks.xstream.converters.reflection.ReflectionConverter
> [ERROR] message[1] : Unable to make field protected transient int
> java.util.AbstractList.modCount accessible: module java.base does not "opens
> java.util" to unnamed module @10c47c79
> [ERROR] -------------------------------
> [ERROR] -> [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/PluginExecutionException
> {code}
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