java – 无法在Maven环境中从JAXB生成类

发布时间：2020-12-14 16:39:16 所属栏目：Java 来源：网络整理

导读：我在Maven环境中使用xjc插件,并尝试从Schema生成类我可以使用xjc从命令行这样做(创建类),但不能使用maven target generate-sources做同样的事情. 获取以下异常 [ERROR] null[5,30]org.xml.sax.SAXParseException: A class/interface with the same name "cl

我在Maven环境中使用xjc插件,并尝试从Schema生成类
我可以使用xjc从命令行这样做(创建类),但不能使用maven target generate-sources做同样的事情.
获取以下异常

[ERROR] null[5,30]
org.xml.sax.SAXParseException: A class/interface with the same name "<className>" is already in use. Use a class customization
to resolve this conflict.
        at com.sun.tools.xjc.util.CodeModelClassFactory.createClass(CodeModelClassFactory.java:100)
        at com.sun.tools.xjc.util.CodeModelClassFactory.createClass(CodeModelClassFactory.java:61)
        at com.sun.tools.xjc.generator.bean.ImplStructureStrategy$1.createClasses(ImplStructureStrategy.java:42)
        at com.sun.tools.xjc.generator.bean.BeanGenerator.generateClassDef(BeanGenerator.java:371)
        at com.sun.tools.xjc.generator.bean.BeanGenerator.getClazz(BeanGenerator.java:403)
        at com.sun.tools.xjc.generator.bean.BeanGenerator$1.onBean(BeanGenerator.java:291)
        at com.sun.tools.xjc.generator.bean.BeanGenerator$1.onBean(BeanGenerator.java:299)
        at com.sun.tools.xjc.model.CClassInfo.accept(CClassInfo.java:352)
        at com.sun.tools.xjc.generator.bean.BeanGenerator.getContainer(BeanGenerator.java:281)
        at com.sun.tools.xjc.generator.bean.BeanGenerator.getUsedPackages(BeanGenerator.java:337)
        at com.sun.tools.xjc.generator.bean.BeanGenerator.<init>(BeanGenerator.java:169)
        at com.sun.tools.xjc.generator.bean.BeanGenerator.generate(BeanGenerator.java:151)
        at com.sun.tools.xjc.model.Model.generateCode(Model.java:230)
        at com.sun.tools.xjc.Driver.run(Driver.java:317)
        at org.codehaus.mojo.jaxb2.XjcMojo.execute(XjcMojo.java:301)
        at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
        at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
        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)

任何人都可以帮助我找到这里遗漏的东西.

解决方法

如JAXB网站所述,使用以下Maven插件：

<plugin>
.           <groupId>org.jvnet.jaxb2.maven2</groupId>
            <artifactId>maven-jaxb2-plugin</artifactId>
            <executions>
                <execution>
                    <goals>
                        <goal>generate</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>

http://java.net/projects/maven-jaxb2-plugin/pages/Home

http://jaxb.java.net/

看来,你正在使用一个不同的插件(org.codehaus.mojo.jaxb2.XjcMojo在你的堆栈跟踪,Google引导我到http://mojo.codehaus.org/jaxb2-maven-plugin/).

（编辑：李大同）

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