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From "Robert Scholte (JIRA)" <>
Subject [jira] [Assigned] (MCOMPILER-336) Dependency that should be on modulepath sometime put on classpath
Date Thu, 12 Apr 2018 16:50:00 GMT


Robert Scholte reassigned MCOMPILER-336:

    Assignee: Robert Scholte

> Dependency that should be on modulepath sometime put on classpath
> -----------------------------------------------------------------
>                 Key: MCOMPILER-336
>                 URL:
>             Project: Maven Compiler Plugin
>          Issue Type: Task
>    Affects Versions: 3.7.0
>            Reporter: Martin Desruisseaux
>            Assignee: Robert Scholte
>            Priority: Major
>         Attachments:
> {{maven-compiler-plugin}} sometime puts modularized dependencies on the {{javac}} {{-classpath}}
option instead than {{-modulepath}}, which cause compilation failure. A test case is attached.
Step to reproduce:
> {noformat}
> cd module-vs-classpath
> cd a
> mvn install
> cd ../b
> mvn clean install
> mvn install
> {noformat}
> The last command fail with the following error message:
> {noformat}
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.7.0:compile
(default-compile) on project b: Compilation failure
> [ERROR] module not found: test.a
> {noformat}
> Execution with the {{-X}} option shows that the {{test.a}} dependency is correctly declared
in {{-modulepath}} when executing {{mvn clean install}}, but is wrongly declared in {{-classpath}} when
executing {{mvn install}}.
> A workaround is to remove the {{<useIncrementalCompilation>false</useIncrementalCompilation>}}
option in the {{pom.xml}} files, or to execute {{touch src/main/java/}} before
{{mvn install}}. However the same error message occurs when attempting to execute {{mvn site}},
for which case I have found no workaround yet (note: the {{mvn site}} problem is not reproduced
by the attached {{}} file).

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