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From "Benjamin Bentmann (JIRA)" <j...@codehaus.org>
Subject [jira] Closed: (MANT-41) mvn ant:ant fails with NPE when maven-javadoc-plugin custom tag is specified in pom.xml
Date Thu, 05 Jun 2008 22:40:12 GMT

     [ http://jira.codehaus.org/browse/MANT-41?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benjamin Bentmann closed MANT-41.
---------------------------------

         Assignee: Benjamin Bentmann
       Resolution: Fixed
    Fix Version/s: 2.1.1

Fixed in [r663768|http://svn.apache.org/viewvc?view=rev&revision=663768], SNAPSHOT deployed.

> mvn ant:ant fails with NPE when maven-javadoc-plugin custom tag is specified in pom.xml
> ---------------------------------------------------------------------------------------
>
>                 Key: MANT-41
>                 URL: http://jira.codehaus.org/browse/MANT-41
>             Project: Maven 2.x Ant Plugin
>          Issue Type: Bug
>    Affects Versions: 2.1
>         Environment: Fedora 8 , Java SE 1.6.0_05-b13, Maven 2.0.9
>            Reporter: Earl Marwil
>            Assignee: Benjamin Bentmann
>            Priority: Minor
>             Fix For: 2.1.1
>
>
> I recently added a custom javadoc tag to cross reference requirements and implementation.
This is accommodated by the maven-javadoc-plugin as in the following snippet from my pom.xml:
> {code:xml}
>   <reporting>
>     <plugins>
>       <plugin>
>         <groupId>org.apache.maven.plugins</groupId>
>         <artifactId>maven-javadoc-plugin</artifactId>
>         <configuration>
>           <tags>
>             <tag>
>               <name>requirement</name>
>               <placement>a</placement>
>               <head>Software Requirement:</head>
>             </tag>
>           </tags>
>         </configuration>
>       </plugin>
>     </plugins>
>   </reporting>
> {code}
> When I run the maven-ant-plugin, it fails with a NullPointerException:
> {code}
> [INFO] [ant:ant]
> [INFO] ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO] ------------------------------------------------------------------------
> [INFO] null
> [INFO] ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException
>         at org.codehaus.plexus.util.xml.PrettyPrintXMLWriter.escapeXml(PrettyPrintXMLWriter.java:151)
>         at org.codehaus.plexus.util.xml.PrettyPrintXMLWriter.escapeXmlAttribute(PrettyPrintXMLWriter.java:166)
>         at org.codehaus.plexus.util.xml.PrettyPrintXMLWriter.addAttribute(PrettyPrintXMLWriter.java:190)
>         at org.apache.maven.plugin.ant.AntBuildWriterUtil.writeJavadocTask(AntBuildWriterUtil.java:539)
>         at org.apache.maven.plugin.ant.AntBuildWriter.writeJavadocTarget(AntBuildWriter.java:991)
>         at org.apache.maven.plugin.ant.AntBuildWriter.writeGeneratedBuildXml(AntBuildWriter.java:304)
>         at org.apache.maven.plugin.ant.AntBuildWriter.writeBuildXmls(AntBuildWriter.java:113)
>         at org.apache.maven.plugin.ant.AntMojo.execute(AntMojo.java:112)
>         at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:451)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:512)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:482)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:330)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:291)
>         at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142)
>         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>         at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>         at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>         at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: 1 second
> [INFO] Finished at: Thu Jun 05 13:11:49 MDT 2008
> [INFO] Final Memory: 5M/81M
> [INFO] ------------------------------------------------------------------------
> {code}
> The maven-ant-plugin works fine when the custom tag configuration is removed from the
pom.xml file.

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