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https://issues.apache.org/jira/browse/MCOMPILER-274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15425770#comment-15425770
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Trejkaz commented on MCOMPILER-274:
-----------------------------------
Maybe this is even a bug. If I read the source:
https://maven.apache.org/plugins/maven-compiler-plugin/xref/org/apache/maven/plugin/compiler/AbstractCompilerMojo.html#L976
Suspicious things:
1) It's creating an exception just because there were warnings.
2) I don't see any of these supposed warnings in the output either.
3) It's putting strings into the exception object, when it should be putting in
a Throwable indicating the actual problem.
> "Compilation failure" message should say what actually went wrong
> -----------------------------------------------------------------
>
> Key: MCOMPILER-274
> URL: https://issues.apache.org/jira/browse/MCOMPILER-274
> Project: Maven Compiler Plugin
> Issue Type: Improvement
> Affects Versions: 3.1, 3.5.1
> Reporter: Trejkaz
> Attachments: out.txt
>
>
> I tried to build jruby 9.0.5.0, which uses Maven to run the build. It fails
> to compile, but gives me a useless error message:
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile)
> on project jruby-core: Compilation failure -> [Help 1]
> When compilation fails, Maven should tell me what actually went wrong, so
> that I can fix it.
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