GitHub user jbisotti edited a comment on the discussion:
java.lang.IllegalArgumentException: The `GraalVmProcessor` annotation processor
is missing the required `log4j.graalvm.groupId` and `log4j.graalvm.artifactId`
options
To keep deprecated code out of our codebase, we enable deprecation warnings and
treat compilation warnings as errors, in order to break the build and call
attention to the deprecated code usage.
```xml
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.13.0</version>
<configuration>
<compilerArgs>
<!-- Treat Warnings as Errors -->
<arg>-Werror</arg>
<!-- Enable deprecation warnings -->
<arg>-Xlint:deprecation</arg>
</compilerArgs>
<showWarnings>true</showWarnings>
<!--
https://issues.apache.org/jira/browse/MCOMPILER-209 -->
<useIncrementalCompilation>false</useIncrementalCompilation>
</configuration>
</plugin>
```
We do not use Graal.
We do not have any custom annotation processors.
We do not have any @PluginS.
We do use Mockito.
I tried upgrading from 2.24.3 to 2.25.1 but the build fails with:
```shell
...
[INFO] --- compiler:3.13.0:testCompile (default-testCompile) @ kfs-core ---
[INFO] Compiling 954 source files with javac [debug release 21] to
target/test-classes
[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.
[INFO] GraalVmProcessor: writing GraalVM metadata for 2 Java classes to
`META-INF/native-image/log4j-generated/cb86055/reflect-config.json`.
[INFO] PluginProcessor: writing plugin descriptor for 4 Log4j Plugins to
`META-INF/org/apache/logging/log4j/core/config/plugins/Log4j2Plugins.dat`.
[INFO] -------------------------------------------------------------
[WARNING] COMPILATION WARNING :
[INFO] -------------------------------------------------------------
[WARNING] The `GraalVmProcessor` annotation processor is missing the
recommended `log4j.graalvm.groupId` and `log4j.graalvm.artifactId` options.
To follow the GraalVM recommendations, please add the following options to
your build tool:
-Alog4j.graalvm.groupId=<groupId>
-Alog4j.graalvm.artifactId=<artifactId>
[INFO] 1 warning
[INFO] -------------------------------------------------------------
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] warnings found and -Werror specified
[INFO] 1 error
...
```
Due to our steps to keep deprecated code out of the codebase, this warning, for
something we do not use and do not care about, is breaking the build. It
doesn't make sense to have to provide useless configuration in N different
builds to make this go away.
GitHub link:
https://github.com/apache/logging-log4j2/discussions/3755#discussioncomment-13765756
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