Fix build failure with jdk 23

[olamy]

Affected version

3.10.x

Bug description

build failing with jdk 23

[ERROR] Failures: 
[ERROR]   JavadocJarMojoTest.testDefaultConfig:99
[ERROR]   JavadocReportTest.testDefaultConfiguration:318 
Expecting path:
  /home/olamy/dev/sources/maven/plugins/reporting/maven-javadoc-plugin/target/test/unit/default-configuration/target/site/apidocs/stylesheet.css
to exist (symbolic links were followed).
[ERROR]   JavadocReportTest.testOptionsUmlautEncoding:605 
Expecting path:
  /home/olamy/dev/sources/maven/plugins/reporting/maven-javadoc-plugin/target/test/unit/optionsumlautencoding-test/target/site/apidocs/stylesheet.css
to exist (symbolic links were followed).
[ERROR]   JavadocReportTest.testQuotedPath:559 
Expecting path:
  /home/olamy/dev/sources/maven/plugins/reporting/maven-javadoc-plugin/target/test/unit/quotedpath'test/target/site/apidocs/stylesheet.css
to exist (symbolic links were followed).
[ERROR] Errors: 
[ERROR]   JavadocReportTest.testStylesheetfile:1158->readFile:214->readFile:228 » NoSuchFile /home/olamy/dev/sources/maven/plugins/reporting/maven-javadoc-plugin/target/test/unit/stylesheetfile-test/target/site/apidocs/stylesheet.css
[INFO] 
[ERROR] Tests run: 74, Failures: 4, Errors: 1, Skipped: 0

due to new fonts added per default with JDK 23. see #369

[olamy]

fixed with #374

[joakime]

@olamy did you notice the warning?

Warning:  Javadoc Warnings
Warning: [WARNING] warning: The -footer option is no longer supported and will be ignored.
Warning:  It may be removed in a future release.

[olamy]

@olamy did you notice the warning?

Warning:  Javadoc Warnings
Warning: [WARNING] warning: The -footer option is no longer supported and will be ignored.
Warning:  It may be removed in a future release.

this was happening for osx using jdk 23 adoptopenjdk and has generated a segfault.
I have disable this from the build matrix.

[joakime]

@olamy you missed the point of that warning, it's not architecture specific, and it has no connection on the segfault in that specific build.

The -footer option is deprecated.

That same warning is present on the green builds. - https://github.com/apache/maven-javadoc-plugin/actions/runs/15291408104/job/43011765697

https://docs.oracle.com/en/java/javase/23/docs/specs/man/javadoc.html

-footer html-code
This option is no longer supported and reports a warning.

It doesn't do anything right now, and may be removed in a future release.
To me, that means the <footer> configuration in maven-javadoc-plugin is also deprecated, or at least deprecated based on the JDK version you are using with the maven-javadoc-plugin.

[olamy]

Oh I see, good point. I was only looking at the output of javadoc -h, which doesn't mention that.