Hi,

I don't know why you get the error. But I also use a plugin to generate java classes from xsd. Here is my plugin-config from pom.xml:

            <plugin>
                <groupId>org.codehaus.mojo</groupId>
<artifactId>jaxb2-maven-plugin</artifactId>
                <version>1.3.1</version>
                <executions>
                    <execution>
                        <id>xjc</id>
<phase>generate-sources</phase>
                        <goals>
                            <goal>xjc</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>


the xsd's have to be under src/main/xsd/

and the generated classes are under target/generated-sources/jaxb

hope that helps you as well.

regards, Marco

Am 25.07.2013 14:01, schrieb Julio Carlos Barrera Juez:
I have changed the version to 2.6.2 and I'm getting the same issue:

[ERROR] Failed to execute goal
org.apache.cxf:cxf-xjc-plugin:2.6.2:xsdtojava (generate-sources) on project
org.opennaas.extensions.juniper.servicecatalog: null:
MojoExecutionException: NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
goal org.apache.cxf:cxf-xjc-plugin:2.6.2:xsdtojava (generate-sources) on
project org.opennaas.extensions.juniper.servicecatalog: null
  at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
  at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
  at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
  at
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
  at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
  at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
  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:290)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
  at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.MojoExecutionException
at
org.apache.cxf.maven_plugin.AbstractXSDToJavaMojo.execute(AbstractXSDToJavaMojo.java:320)
  at org.apache.cxf.maven_plugin.XSDToJavaMojo.execute(XSDToJavaMojo.java:42)
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
  at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
... 19 more
Caused by: java.lang.NullPointerException
  at
org.sonatype.plexus.build.incremental.DefaultBuildContext.getMessage(DefaultBuildContext.java:88)
at
org.sonatype.plexus.build.incremental.DefaultBuildContext.addMessage(DefaultBuildContext.java:110)
  at
org.apache.cxf.maven_plugin.AbstractXSDToJavaMojo$Listener.error(AbstractXSDToJavaMojo.java:149)
at
com.sun.tools.xjc.util.ErrorReceiverFilter.error(ErrorReceiverFilter.java:77)
  at
com.sun.tools.xjc.util.ErrorReceiverFilter.error(ErrorReceiverFilter.java:77)
at
com.sun.tools.xjc.util.ErrorReceiverFilter.error(ErrorReceiverFilter.java:77)
  at
com.sun.org.apache.xerces.internal.jaxp.validation.XMLSchemaFactory.newSchema(XMLSchemaFactory.java:233)
at
com.sun.tools.xjc.reader.xmlschema.parser.SchemaConstraintChecker.check(SchemaConstraintChecker.java:101)
  at com.sun.tools.xjc.ModelLoader.loadXMLSchema(ModelLoader.java:357)
at com.sun.tools.xjc.ModelLoader.load(ModelLoader.java:167)
  at com.sun.tools.xjc.ModelLoader.load(ModelLoader.java:113)
at com.sun.tools.xjc.Driver.run(Driver.java:313)
  at
org.apache.cxf.maven_plugin.AbstractXSDToJavaMojo.execute(AbstractXSDToJavaMojo.java:307)
... 22 more



On 25 July 2013 12:53, Jason Pell <[email protected]> wrote:

Can you try this again using 2.6.2 version of the plugin


On Thu, Jul 25, 2013 at 6:45 PM, Julio Carlos Barrera Juez <
[email protected]> wrote:

I have just executed the goals with MAven debug option (-X) and this is
the
output:

at


org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
at


org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
  at


org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at


org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
  at


org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at


org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
  at


org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
  at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
  at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
  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:290)
at

org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
  at


org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.MojoExecutionException
at


org.apache.cxf.maven_plugin.AbstractXSDToJavaMojo.execute(AbstractXSDToJavaMojo.java:320)
  at
org.apache.cxf.maven_plugin.XSDToJavaMojo.execute(XSDToJavaMojo.java:42)
at


org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
  at


org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
... 19 more
Caused by: java.lang.NullPointerException
  at


org.sonatype.plexus.build.incremental.DefaultBuildContext.getMessage(DefaultBuildContext.java:88)
at


org.sonatype.plexus.build.incremental.DefaultBuildContext.addMessage(DefaultBuildContext.java:110)
  at


org.apache.cxf.maven_plugin.AbstractXSDToJavaMojo$Listener.error(AbstractXSDToJavaMojo.java:149)
at


com.sun.tools.xjc.util.ErrorReceiverFilter.error(ErrorReceiverFilter.java:77)
  at


com.sun.tools.xjc.util.ErrorReceiverFilter.error(ErrorReceiverFilter.java:77)
at


com.sun.tools.xjc.util.ErrorReceiverFilter.error(ErrorReceiverFilter.java:77)
  at


com.sun.org.apache.xerces.internal.jaxp.validation.XMLSchemaFactory.newSchema(XMLSchemaFactory.java:233)
at


com.sun.tools.xjc.reader.xmlschema.parser.SchemaConstraintChecker.check(SchemaConstraintChecker.java:101)
  at com.sun.tools.xjc.ModelLoader.loadXMLSchema(ModelLoader.java:357)
at com.sun.tools.xjc.ModelLoader.load(ModelLoader.java:167)
  at com.sun.tools.xjc.ModelLoader.load(ModelLoader.java:113)
at com.sun.tools.xjc.Driver.run(Driver.java:313)
  at


org.apache.cxf.maven_plugin.AbstractXSDToJavaMojo.execute(AbstractXSDToJavaMojo.java:307)
... 22 more

Maybe it could help.


On 25 July 2013 09:32, Julio Carlos Barrera Juez <
[email protected]> wrote:

I want to get Java classes from an XSD document. I want to use CXF XJC
Maven Plugin, but I'm experiencing some problems. I have followed the
documentation here: http://cxf.apache.org/cxf-xjc-plugin.html.

I have this POM (more or less):

...
<plugin>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-xjc-plugin</artifactId>
  <version>2.6.1</version>
<executions>
<execution>
  <id>generate-sources</id>
<phase>generate-sources</phase>
<goals>
  <goal>xsdtojava</goal>
</goals>
<configuration>
  <sourceRoot>${basedir}/target/generated/src/main/java</sourceRoot>
<xsdOptions>
  <xsdOption>
<xsd>classpath:/path/to/xsd/document.xsd</xsd>
<packagename>org.company.package.whatever</packagename>
  </xsdOption>
</xsdOptions>
</configuration>
  </execution>
</executions>
</plugin>
...

When I execute the goal I'm getting:

Failed to execute goal org.apache.cxf:cxf-xjc-plugin:2.6.1:xsdtojava
(generate-sources) on project org.company.myproject: null:
MojoExecutionException: NullPointerException -> [Help 1]

Am I Missing any parameter in the configuration?


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