[ 
https://issues.apache.org/jira/browse/MJAVADOC-739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17790746#comment-17790746
 ] 

Michael Osipov commented on MJAVADOC-739:
-----------------------------------------

I get this one from master:
{noformat}
[INFO] OpenRefine - Wikibase extension .................... SUCCESS [ 20.844 s]
[INFO] OpenRefine - Database extension .................... FAILURE [ 28.740 s]
[INFO] OpenRefine - Gdata extension ....................... SKIPPED
[INFO] OpenRefine - PC-axis extension ..................... SKIPPED
[INFO] OpenRefine - Phonetic clustering extension ......... SKIPPED
[INFO] OpenRefine - packaging ............................. SKIPPED
[INFO] OpenRefine Java JMH benchmarks ..................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  04:34 min
[INFO] Finished at: 2023-11-28T21:42:37+01:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-javadoc-plugin:3.6.2:fix (default-cli) on 
project database: Execution default-cli of goal 
org.apache.maven.plugins:maven-javadoc-plugin:3.6.2:fix failed: A required 
class was missing while executing 
org.apache.maven.plugins:maven-javadoc-plugin:3.6.2:fix: java/sql/Connection
[ERROR] -----------------------------------------------------
[ERROR] realm =    plugin>org.apache.maven.plugins:maven-javadoc-plugin:3.6.2
[ERROR] strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
[ERROR] urls[0] = 
file:/C:/Users/mosipov/.m2/repository/org/apache/maven/plugins/maven-javadoc-plugin/3.6.2/maven-javadoc-plugin-3.6.2.jar
[ERROR] urls[1] = 
file:/C:/Users/mosipov/.m2/repository/org/apache/maven/reporting/maven-reporting-api/3.1.1/maven-reporting-api-3.1.1.jar
[ERROR] urls[2] = 
file:/C:/Users/mosipov/.m2/repository/org/apache/maven/maven-archiver/3.6.0/maven-archiver-3.6.0.jar
[ERROR] urls[3] = 
file:/C:/Users/mosipov/.m2/repository/org/codehaus/plexus/plexus-interpolation/1.26/plexus-interpolation-1.26.jar
[ERROR] urls[4] = 
file:/C:/Users/mosipov/.m2/repository/org/apache/maven/shared/maven-invoker/3.2.0/maven-invoker-3.2.0.jar
{noformat}

It makes no sense...

> Null pointer exception when executing javadoc:fix goal
> ------------------------------------------------------
>
>                 Key: MJAVADOC-739
>                 URL: https://issues.apache.org/jira/browse/MJAVADOC-739
>             Project: Maven Javadoc Plugin
>          Issue Type: Bug
>          Components: javadoc
>    Affects Versions: 3.4.1
>            Reporter: Antonin Delpeuch
>            Priority: Major
>              Labels: starter
>
> Running `mvn -e javadoc:fix` on my project, I get the following error:
> {code:java}
> [ERROR] Failed to execute goal 
> org.apache.maven.plugins:maven-javadoc-plugin:3.4.1:fix (default-cli) on 
> project refine-model: Execution default-cli of goal 
> org.apache.maven.plugins:maven-javadoc-plugin:3.4.1:fix failed.: 
> NullPointerException -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
> goal org.apache.maven.plugins:maven-javadoc-plugin:3.4.1:fix (default-cli) on 
> project refine-model: Execution default-cli of goal 
> org.apache.maven.plugins:maven-javadoc-plugin:3.4.1:fix failed.
>     at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:215)
>     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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
>     at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:62)
>     at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke (Method.java:566)
>     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.PluginExecutionException: Execution 
> default-cli of goal org.apache.maven.plugins:maven-javadoc-plugin:3.4.1:fix 
> failed.
>     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
> (DefaultBuildPluginManager.java:148)
>     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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
>     at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:62)
>     at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke (Method.java:566)
>     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: java.lang.NullPointerException
>     at org.apache.maven.plugins.javadoc.AbstractFixJavadocMojo.writeParamTag 
> (AbstractFixJavadocMojo.java:2101)
>     at 
> org.apache.maven.plugins.javadoc.AbstractFixJavadocMojo.updateJavadocTags 
> (AbstractFixJavadocMojo.java:1993)
>     at 
> org.apache.maven.plugins.javadoc.AbstractFixJavadocMojo.updateJavadocTags 
> (AbstractFixJavadocMojo.java:1905)
>     at 
> org.apache.maven.plugins.javadoc.AbstractFixJavadocMojo.updateJavadocComment 
> (AbstractFixJavadocMojo.java:1740)
>     at 
> org.apache.maven.plugins.javadoc.AbstractFixJavadocMojo.updateEntityComment 
> (AbstractFixJavadocMojo.java:1612)
>     at 
> org.apache.maven.plugins.javadoc.AbstractFixJavadocMojo.fixMethodComment 
> (AbstractFixJavadocMojo.java:1466)
>     at org.apache.maven.plugins.javadoc.AbstractFixJavadocMojo.processFix 
> (AbstractFixJavadocMojo.java:1083)
>     at org.apache.maven.plugins.javadoc.AbstractFixJavadocMojo.execute 
> (AbstractFixJavadocMojo.java:475)
>     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
> (DefaultBuildPluginManager.java:137)
>     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 jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
>     at jdk.internal.reflect.NativeMethodAccessorImpl.invoke 
> (NativeMethodAccessorImpl.java:62)
>     at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke 
> (DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke (Method.java:566)
>     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){code}
>  
> To reproduce this, run `mvn -e javadoc:fix` on the commit 
> `9bb34347036ff7e911cdf6b3c1281f276ac5dc80` of the git repository 
> `[https://github.com/OpenRefine/OpenRefine]`.
> I am using Java 17 on Debian but I expect the issue should be reproducible in 
> other environments as well.



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