[
https://issues.apache.org/jira/browse/MCOMPILER-548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17788912#comment-17788912
]
ASF GitHub Bot commented on MCOMPILER-548:
------------------------------------------
rmannibucau commented on code in PR #200:
URL:
https://github.com/apache/maven-compiler-plugin/pull/200#discussion_r1402749922
##########
src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java:
##########
@@ -279,8 +279,11 @@ public abstract class AbstractCompilerMojo extends
AbstractMojo {
* <ul>
* <li><code>none</code> - no annotation processing is performed.</li>
* <li><code>only</code> - only annotation processing is done, no
compilation.</li>
+ * <li><code>full</code> - annotation processing and compilation.</li>
* </ul>
*
+ * <code>full</code> is the default. Starting with JDK 21, this option
must be set explicitly.
Review Comment:
+1 to keep backward compat and annot proc working by default.
Guess fastest is once the loader (urls) are know to cbexk if there is either
the meta-inf SPI file or a module-info registering an annot proc and if so run
peoc only before the compilation. Can be done on all versions probably.
Indeed, if explicitly disabled it is ignored.
So overall overhead is negligible and it will work for everyone and keep
annlt proc goodness.
> JDK 21 throws annotations processing warning that can not be turned off
> -----------------------------------------------------------------------
>
> Key: MCOMPILER-548
> URL: https://issues.apache.org/jira/browse/MCOMPILER-548
> Project: Maven Compiler Plugin
> Issue Type: Bug
> Affects Versions: 3.11.0
> Reporter: Henning Schmiedehausen
> Priority: Major
>
> maven compiler plugin 3.11 on Java 21 reports
> {quote}
> [INFO] Annotation processing is enabled because one or more processors were
> found
> on the class path. A future release of javac may disable annotation
> processing
> unless at least one processor is specified by name (-processor), or a search
> path is specified (--processor-path, --processor-module-path), or annotation
> processing is enabled explicitly (-proc:only, -proc:full).
> Use -Xlint:-options to suppress this message.
> Use -proc:none to disable annotation processing.
> {quote}
> However, the {{<proc>}} option only supports "none" and "proc", not "full"
> (which is the implicit default).
> Adding this through a compiler option:
> {quote}
> <configuration>
> <compilerArgs>
> <arg>-proc:full</arg>
> </compilerArgs>
> </configuration>
> {quote}
> fixes this warning. Adding "full" as a value for the compiler plugin would
> fix it, too.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
