Maven Jaxb package-info syntax error

From Foochal

[INFO] Applying extractor for language: java
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] syntax error @[8,7] in file:xmlbindings/package-info.java
[INFO] ------------------------------------------------------------------------
[INFO] Trace
com.thoughtworks.qdox.parser.ParseException: syntax error @[8,7] in file:xmlbindings/package-info.java
        at com.thoughtworks.qdox.parser.impl.Parser.yyerror(Parser.java:638)
        at com.thoughtworks.qdox.parser.impl.Parser.yyparse(Parser.java:747)
        at com.thoughtworks.qdox.parser.impl.Parser.parse(Parser.java:619)
        at com.thoughtworks.qdox.JavaDocBuilder.addSource(JavaDocBuilder.java:300)
        at com.thoughtworks.qdox.JavaDocBuilder.addSource(JavaDocBuilder.java:316)
        at com.thoughtworks.qdox.JavaDocBuilder.addSource(JavaDocBuilder.java:312)
        at com.thoughtworks.qdox.JavaDocBuilder$1.visitFile(JavaDocBuilder.java:369)
        at com.thoughtworks.qdox.directorywalker.DirectoryScanner.walk(DirectoryScanner.java:43)
        at com.thoughtworks.qdox.directorywalker.DirectoryScanner.walk(DirectoryScanner.java:34)
        at com.thoughtworks.qdox.directorywalker.DirectoryScanner.walk(DirectoryScanner.java:34)
        at com.thoughtworks.qdox.directorywalker.DirectoryScanner.walk(DirectoryScanner.java:34)
        at com.thoughtworks.qdox.directorywalker.DirectoryScanner.walk(DirectoryScanner.java:34)
        at com.thoughtworks.qdox.directorywalker.DirectoryScanner.walk(DirectoryScanner.java:34)
        at com.thoughtworks.qdox.directorywalker.DirectoryScanner.walk(DirectoryScanner.java:34)
        at com.thoughtworks.qdox.directorywalker.DirectoryScanner.walk(DirectoryScanner.java:34)
        at com.thoughtworks.qdox.directorywalker.DirectoryScanner.scan(DirectoryScanner.java:52)
        at com.thoughtworks.qdox.JavaDocBuilder.addSourceTree(JavaDocBuilder.java:366)
        at org.apache.maven.tools.plugin.extractor.java.JavaMojoDescriptorExtractor.discoverClasses(JavaMojoDescriptorExtractor.java:614)
        at org.apache.maven.tools.plugin.extractor.java.JavaMojoDescriptorExtractor.execute(JavaMojoDescriptorExtractor.java:581)
        at org.apache.maven.tools.plugin.scanner.DefaultMojoScanner.populatePluginDescriptor(DefaultMojoScanner.java:87)
        at org.apache.maven.plugin.plugin.AbstractGeneratorMojo.execute(AbstractGeneratorMojo.java:137)
        at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:447)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:311)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:333)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:126)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:282)
        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:585)
        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] ------------------------------------------------------------------------

Analysis

A file called package-info.java gets generated in the output package. Here's the content of the file.

//
// This file was generated by the JavaTM Architecture for XML Binding(JAXB) Reference Implementation, v2.0.2-b01-fcs 
// See <a href="http://java.sun.com/xml/jaxb">http://java.sun.com/xml/jaxb</a> 
// Any modifications to this file will be lost upon recompilation of the source schema. 
// Generated on: 2008.06.11 at 01:20:24 PM EDT 
//

@javax.xml.bind.annotation.XmlSchema(namespace = "http://www.foochal.org", elementFormDefault = javax.xml.bind.annotation.XmlNsForm.QUALIFIED)
package xmlbindings;

The error is on the period immediately following javax (@javax.)

Workaround

Add the no package info generation flag to xjc

      <plugin>
        <!-- new maven jaxb -->
        <groupId>org.jvnet.jaxb2.maven2</groupId>
        <artifactId>maven-jaxb2-plugin</artifactId>

        <executions>
          <execution>
            <goals>
              <goal>generate</goal>
            </goals>
            <configuration>
              <args>
                <param>-npa</param>
              </args>