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https://issues.apache.org/jira/browse/MJAVADOC-764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17782869#comment-17782869
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Elliotte Rusty Harold commented on MJAVADOC-764:
------------------------------------------------
should this be closed as WAI or is there something we should do about this?
> javadoc:aggregate fails after Java 11 upgrade
> ----------------------------------------------
>
> Key: MJAVADOC-764
> URL: https://issues.apache.org/jira/browse/MJAVADOC-764
> Project: Maven Javadoc Plugin
> Issue Type: Bug
> Components: javadoc
> Affects Versions: 3.5.0
> Reporter: Sirisha Pratha
> Priority: Critical
> Labels: jpms
>
> We have a multi-module project that is failing for javadoc:aggregate goal
> after upgrading to Java 11 for maven-javadoc-plugin versions 3.4.1 and 3.5.0.
> It worked fine without any issues for Java 1.8.
> This is our maven-javadoc plugin configuration for Java 8 -
> {color:#00875a}*SUCCESS*{color}
>
> {noformat}
> <maven.compiler.source>8</maven.compiler.source>
> <plugin>
> <artifactId>maven-javadoc-plugin</artifactId>
> <configuration>
> <source>${maven.compiler.source}</source>
> <doctitle>Eclipse Collections -
> ${project.version}</doctitle>
> <windowtitle>Eclipse Collections -
> ${project.version}</windowtitle>
> <show>public</show>
> <detectJavaApiLink>true</detectJavaApiLink>
> <links>
> <link>https://junit.org/junit4/javadoc/latest</link>
>
> <link>https://docs.oracle.com/javase/8/docs/api/</link>
> </links>
> <destDir>${project.version}</destDir>
> <doclint>html,syntax,accessibility</doclint>
> <excludePackageNames>
>
> org.openjdk,org.eclipse.collections.impl.jmh,org.eclipse.collections.codegenerator,org.eclipse.collections.codegenerator.maven
> </excludePackageNames>
> </configuration>
> <executions>
> <execution>
> <id>aggregate</id>
> <inherited>false</inherited>
> <goals>
> <goal>aggregate</goal>
> </goals>
> </execution>
> </executions>
> </plugin>
> {noformat}
> This is our maven-javadoc plugin configuration for Java 11 - (the only
> difference is values in source and links tags) -
> *{color:#ff0000}FAILS{color}* {color:#ff0000}(See error below){color}
>
> {noformat}
> <maven.compiler.source>11</maven.compiler.source>
> <plugin>
> <artifactId>maven-javadoc-plugin</artifactId>
> <configuration>
> <source>${maven.compiler.source}</source>
> <doctitle>Eclipse Collections -
> ${project.version}</doctitle>
> <windowtitle>Eclipse Collections -
> ${project.version}</windowtitle>
> <show>public</show>
> <detectJavaApiLink>true</detectJavaApiLink>
> <links>
> <link>https://junit.org/junit4/javadoc/latest</link>
>
> <link>https://docs.oracle.com/en/java/javase/11/docs/api</link>
> </links>
> <destDir>${project.version}</destDir>
> <doclint>html,syntax,accessibility</doclint>
> <excludePackageNames>
>
> org.openjdk,org.eclipse.collections.impl.jmh,org.eclipse.collections.codegenerator,org.eclipse.collections.codegenerator.maven
> </excludePackageNames>
> </configuration>
> <executions>
> <execution>
> <id>aggregate</id>
> <inherited>false</inherited>
> <goals>
> <goal>aggregate</goal>
> </goals>
> </execution>
> </executions>
> </plugin>{noformat}
>
> _javadoc:aggregate_ fails with the following error on our GitHub workflow
> (nothing changed in the way we run this job - we have always used Java 17 to
> run this)
>
> {noformat}
> Error: 6:236 [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-javadoc-plugin:3.4.1:aggregate (default-cli)
> on project eclipse-collections-parent: An error has occurred in Javadoc
> report generation:
> 515Error: 6:236 [ERROR] Exit code: 2 - Loading source files for package
> org.eclipse.collections.codegenerator.model...
> 516Error: 02:14:46:236 [ERROR] error: No source files for package
> org.eclipse.collections.codegenerator.model
> 517Error: 02:14:46:237 [ERROR] 1 error
> 518Error: 6:237 [ERROR]
> 519Error: 6:238 [ERROR] Command line was:
> /opt/hostedtoolcache/Java_Zulu_jdk/17.0.7-7/x64/bin/javadoc @options @packages
> 520Error: 6:238 [ERROR]
> 521Error: 6:238 [ERROR] Refer to the generated Javadoc files in
> '/home/runner/work/eclipse-collections/eclipse-collections/target/site/apidocs/12.0.0-SNAPSHOT'
> dir.
> 522Error: 6:239 [ERROR]
> 523Error: 6:240 [ERROR] -> [Help 1]{noformat}
>
>
> Solutions we tried -
> # Configuring sourcePath (see below) - in this case, *no Javadoc was
> created* in target/site/apidocs.
> {noformat}
> <sourcepath>${project.build.sourceDirectory}</sourcepath>{noformat}
> # Tried both plugin versions 3.4.1 and 3.5.0 - *fails* with both versions.
> # Tried to add source = 1.8 but maven.compiler.source = 11, which seems to
> be the only combination that {*}works{*}. Like so -
> {noformat}
> <maven.compiler.source>11</maven.compiler.source>
> <plugin>
> <artifactId>maven-javadoc-plugin</artifactId>
> <configuration>
> <source>1.8</source>
> <doctitle>Eclipse Collections - ${project.version}</doctitle>
> <windowtitle>Eclipse Collections - ${project.version}</windowtitle>
> <show>public</show>
> <detectJavaApiLink>true</detectJavaApiLink>
> <links>
> <link>https://junit.org/junit4/javadoc/latest</link>
> <link>https://docs.oracle.com/en/java/javase/11/docs/api</link>
> </links>
> <destDir>${project.version}</destDir>
> <doclint>html,syntax,accessibility</doclint>
> <excludePackageNames>
>
> org.openjdk,org.eclipse.collections.impl.jmh,org.eclipse.collections.codegenerator,org.eclipse.collections.codegenerator.maven
> </excludePackageNames>
> <additionalOptions>-html5</additionalOptions>
> </configuration>
> <reportSets>
> <reportSet>
> <id>aggregate</id>
> <inherited>false</inherited>
> <reports>
> <report>aggregate</report>
> </reports>
> </reportSet>
> </reportSets>
> </plugin>
> {noformat}
> What are we missing as we ideally would like to have both source and maven.
> compiler.source as the same value which is 11.
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