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https://issues.apache.org/jira/browse/MJAVADOC-661?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17958051#comment-17958051
 ] 

Olivier Lamy commented on MJAVADOC-661:
---------------------------------------

This project has moved from Jira to GitHub Issues. This issue was migrated to 
[apache/maven-javadoc-plugin#1040|https://github.com/apache/maven-javadoc-plugin/issues/1040].
 

> tagletArtifact fails to scan multi-release JARs (MRJARs) for Taglets
> --------------------------------------------------------------------
>
>                 Key: MJAVADOC-661
>                 URL: https://issues.apache.org/jira/browse/MJAVADOC-661
>             Project: Maven Javadoc Plugin (Moved to GitHub Issues)
>          Issue Type: Bug
>          Components: jar
>    Affects Versions: 3.2.0
>         Environment: env JAVA_HOME=$(/usr/libexec/java_home -v 1.8) mvn -B 
> -version                                                                      
>                                                                               
>                      
> Apache Maven 3.6.3 (cecedd343002696d0abb50b32b541b8a6ba2883f)                 
>                                                                               
>                                                                            
> Maven home: /usr/local/opt/maven/libexec                                      
>                                                                               
>                                                                            
> Java version: 1.8.0_265, vendor: AdoptOpenJDK, runtime: 
> /Library/Java/JavaVirtualMachines/adoptopenjdk-8.jdk/Contents/Home/jre        
>                                                                               
>                    
> Default locale: en_US, platform encoding: UTF-8                               
>                                                                               
>                                                                            
> OS name: "mac os x", version: "10.15.6", arch: "x86_64", family: "mac"
>            Reporter: Allen D. Ball
>            Assignee: Robert Scholte
>            Priority: Major
>             Fix For: 3.3.0
>
>
> Relevant stack trace from `mvn javadoc:javadoc` invoked with Java 8 on a 
> multi-release JAR tagletArtifact:
> {noformat}
>      at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
> (DefaultBuildPluginManager.java:186)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:210)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:156)
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:148)
>     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:117)
>     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:81)
>     at 
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
>  (SingleThreadedBuilder.java:56)
>     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
> (LifecycleStarter.java:128)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)
>     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)
>     at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)
>     at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957)
>     at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289)
>     at org.apache.maven.cli.MavenCli.main (MavenCli.java:193)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke (Method.java:498)
>     at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
> (Launcher.java:282)
>     at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
> (Launcher.java:225)
>     at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
> (Launcher.java:406)
>     at org.codehaus.plexus.classworlds.launcher.Launcher.main 
> (Launcher.java:347)
> Caused by: org.apache.maven.plugin.PluginContainerException: An API 
> incompatibility was encountered while executing 
> org.apache.maven.plugins:maven-javadoc-plugin:3.2.0:javadoc: 
> java.lang.UnsupportedClassVersionError: 
> META-INF/versions/9/ball/lang/reflect/DefaultInterfaceMethodInvocationHandler 
> has been compiled by a more recent version of the Java Runtime (class file 
> version 53.0), this version of the Java Runtime only recognizes class file 
> versions up to 52.0
> ---------------------
>  {noformat}



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