[#MJAVADOC-251] Configuration of javadoc:javadoc fails with NPE upon disadvantageous order of config injection - jira.codehaus.org

Details

Type: Bug
Status: Closed
Priority: Critical
Resolution: Fixed
Affects Version/s: 2.6
Fix Version/s: 2.6.1
Component/s: None
Labels:
None

Number of attachments :
0

Description

Compare these two logs from Maven 3.x

[DEBUG] Configuring mojo 'org.apache.maven.plugins:maven-javadoc-plugin:2.5:javadoc' with basic configurator -->
[DEBUG]   (f) nosince = false
[DEBUG]   (f) use = true
[DEBUG]   (f) bootclasspathArtifacts = []
[DEBUG]   (f) links = []
[DEBUG]   (f) encoding = UTF-8
[DEBUG]   (f) aggregate = false
[DEBUG]   (f) tags = []
[DEBUG]   (f) isOffline = false
[DEBUG]   (f) useStandardDocletOptions = true
[DEBUG]   (f) taglets = []
[DEBUG]   (f) doctitle = Maven Ant Plugin 2.3-SNAPSHOT API
[DEBUG]   (f) resourcesArtifacts = []
[DEBUG]   (s) reportOutputDirectory = M:\maven\plugins\maven-ant-plugin\target\site\apidocs
Unable to parse the created DOM for plugin configuration
org.apache.maven.plugin.PluginConfigurationException: Unable to parse the created DOM for plugin configuration
        at org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:611)
        at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:564)
        at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:336)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:281)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:208)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:181)
        at org.apache.maven.embedder.MavenEmbedder.execute(MavenEmbedder.java:467)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:163)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:56)
        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.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:408)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:351)
Caused by: org.codehaus.plexus.component.configurator.ComponentConfigurationException:
Setter
  org.apache.maven.plugin.javadoc.JavadocReport.setReportOutputDirectory( java.lang.Class )
threw exception when called with parameter 'M:\maven\plugins\maven-ant-plugin\target\site\apidocs': null
        at org.codehaus.plexus.component.configurator.converters.ComponentValueSetter.setValueUsingSetter(ComponentValueSetter.java:204)
        at org.codehaus.plexus.component.configurator.converters.ComponentValueSetter.configure(ComponentValueSetter.java:225)
        at org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.processConfiguration(ObjectWithFieldsConverter.java:140)
        at org.codehaus.plexus.component.configurator.BasicComponentConfigurator.configureComponent(BasicComponentConfigurator.java:58)
        at org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:605)
        ... 16 more
Caused by: java.lang.reflect.InvocationTargetException
        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.plexus.component.configurator.converters.ComponentValueSetter.setValueUsingSetter(ComponentValueSetter.java:191)
        ... 20 more
Caused by: java.lang.NullPointerException
        at java.lang.String.endsWith(String.java:1466)
        at org.apache.maven.plugin.javadoc.JavadocReport.setReportOutputDirectory(JavadocReport.java:184)
        ... 25 more

and from Maven 2.2.x

[DEBUG] Configuring mojo 'org.apache.maven.plugins:maven-javadoc-plugin:2.5:javadoc' -->
[DEBUG]   (f) aggregate = false
[DEBUG]   (f) author = true
[DEBUG]   (f) bootclasspathArtifacts = []
[DEBUG]   (f) bottom = Copyright &#169; {inceptionYear}-{currentYear} {organizationName}. All Rights Reserved.
[DEBUG]   (f) breakiterator = false
[DEBUG]   (f) debug = false
[DEBUG]   (f) destDir = apidocs
[DEBUG]   (f) docfilessubdirs = false
[DEBUG]   (f) docletArtifact = groupId = 'null'artifactId = 'null'version = 'null'
[DEBUG]   (f) docletArtifacts = []
[DEBUG]   (f) doctitle = Maven Ant Plugin 2.3-SNAPSHOT API
[DEBUG]   (f) encoding = UTF-8
[DEBUG]   (f) failOnError = true
[DEBUG]   (f) groups = []
[DEBUG]   (f) isOffline = false
[DEBUG]   (f) javadocDirectory = M:\maven\plugins\maven-ant-plugin\src\main\javadoc
[DEBUG]   (f) keywords = false
[DEBUG]   (f) links = []
[DEBUG]   (f) linksource = false
[DEBUG]   (f) localRepository = Repository[local|file://U:\Jeder\Maven-2]
[DEBUG]   (f) nocomment = false
[DEBUG]   (f) nodeprecated = false
[DEBUG]   (f) nodeprecatedlist = false
[DEBUG]   (f) nohelp = false
[DEBUG]   (f) noindex = false
[DEBUG]   (f) nonavbar = false
[DEBUG]   (f) nooverview = false
[DEBUG]   (f) nosince = false
[DEBUG]   (f) notimestamp = false
[DEBUG]   (f) notree = false
[DEBUG]   (f) offlineLinks = []
[DEBUG]   (f) old = false
[DEBUG]   (f) outputDirectory = M:\maven\plugins\maven-ant-plugin\target\apidocs
[DEBUG]   (f) overview = M:\maven\plugins\maven-ant-plugin\src\main\javadoc\overview.html
[DEBUG]   (f) project = MavenProject: org.apache.maven.plugins:maven-ant-plugin:2.3-SNAPSHOT @ M:\maven\plugins\maven-ant-plugin\pom.xml
[DEBUG]   (f) quiet = false
[DEBUG]   (f) reactorProjects = [MavenProject: org.apache.maven.plugins:maven-ant-plugin:2.3-SNAPSHOT @ M:\maven\plugins\maven-ant-plugin\pom.xml]
[DEBUG]   (f) remoteRepositories = [Repository[apache.snapshots|http://repository.apache.org/snapshots], Repository[central|http://repo1.maven.org/maven2]]
[DEBUG]   (s) reportOutputDirectory = M:\maven\plugins\maven-ant-plugin\target\site\apidocs
[DEBUG]   (f) resourcesArtifacts = []
[DEBUG]   (f) serialwarn = false
[DEBUG]   (f) session = org.apache.maven.execution.MavenSession@272961
[DEBUG]   (f) settings = org.apache.maven.settings.Settings@1c0b8a0
[DEBUG]   (f) show = protected
[DEBUG]   (f) skip = false
[DEBUG]   (f) splitindex = false
[DEBUG]   (f) stylesheet = java
[DEBUG]   (f) tagletArtifact = groupId = 'null'artifactId = 'null'version = 'null'
[DEBUG]   (f) tagletArtifacts = []
[DEBUG]   (f) taglets = []
[DEBUG]   (f) tags = []
[DEBUG]   (f) use = true
[DEBUG]   (f) useStandardDocletOptions = true
[DEBUG]   (f) verbose = false
[DEBUG]   (f) version = true
[DEBUG]   (f) windowtitle = Maven Ant Plugin 2.3-SNAPSHOT API
[DEBUG] -- end configuration --

Note the different order in which the parameter values are injected. When reportOutputDirectory is injected before destDir, the mojo produces the NPE.

The plugin should not rely on any particular ordering of the parameters.

Issue Links

This issue relates to:
MPLUGIN-156	Stabilize ordering of configuration and requirements in generated plugin descriptor

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Benjamin Bentmann added a comment - 03/Aug/09 6:20 PM

Fixed in r800618.

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Benjamin Bentmann added a comment - 03/Aug/09 6:20 PM Fixed in r800618.

Maven 2.x Javadoc Plugin

Configuration of javadoc:javadoc fails with NPE upon disadvantageous order of config injection

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