Maven Jaxb2 插件抛出错误“未定义的元素声明 's:schema'”

Question

我正在尝试使用 maven jaxb2 插件生成类。但是我收到以下异常：

org.xml.sax.SAXParseException; systemId: http://someIP/dummywsdl.asmx?wsdl; lineNumber: 32; columnNumber: 41; undefined element declaration 's:schema'
at com.sun.xml.xsom.impl.parser.ParserContext$1.reportError(ParserContext.java:180)
at com.sun.xml.xsom.impl.parser.NGCCRuntimeEx.reportError(NGCCRuntimeEx.java:175)
at com.sun.xml.xsom.impl.parser.DelayedRef.resolve(DelayedRef.java:110)
at com.sun.xml.xsom.impl.parser.DelayedRef.run(DelayedRef.java:85)
at com.sun.xml.xsom.impl.parser.ParserContext.getResult(ParserContext.java:135)
at com.sun.xml.xsom.parser.XSOMParser.getResult(XSOMParser.java:214)
at com.sun.tools.xjc.ModelLoader.loadWSDL(ModelLoader.java:412)
at com.sun.tools.xjc.ModelLoader.load(ModelLoader.java:170)
at com.sun.tools.xjc.ModelLoader.load(ModelLoader.java:119)
at org.jvnet.mjiip.v_2_2.XJC22Mojo.loadModel(XJC22Mojo.java:50)
at org.jvnet.mjiip.v_2_2.XJC22Mojo.doExecute(XJC22Mojo.java:40)
at org.jvnet.mjiip.v_2_2.XJC22Mojo.doExecute(XJC22Mojo.java:28)
at org.jvnet.jaxb2.maven2.RawXJC2Mojo.doExecute(RawXJC2Mojo.java:488)
at org.jvnet.jaxb2.maven2.RawXJC2Mojo.execute(RawXJC2Mojo.java:311)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
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.MojoExecutor.executeForkedExecutions(MojoExecutor.java:352)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:197)
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:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
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:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)

经过搜索，我知道是 wsdl 中的以下 2 个声明导致了问题：

<s:element ref="s:schema"/>
<s:any/>

在其中一篇文章中，我发现如果我用下面给定的行更改上面的 2 行，那么插件正在生成文件而没有任何问题：

<s:any  minOccurs="2" maxOccurs="2" />

下面是我正在使用的插件配置：

<plugin>
            <groupId>org.jvnet.jaxb2.maven2</groupId>
            <artifactId>maven-jaxb2-plugin</artifactId>
            <version>0.12.3</version>
            <executions>
                <execution>
                    <goals>
                        <goal>generate</goal>
                    </goals>
                </execution>
            </executions>
            <configuration>
                <schemaLanguage>WSDL</schemaLanguage>
                <generatePackage>com.abc</generatePackage>
                <schemas>
                    <schema>
                        <url>http://someIP/dummywsdl.asmx?wsdl</url>
                    </schema>
                </schemas>
            </configuration>
        </plugin>

是否有任何其他方法可以在不更改 WSDL 的情况下解决问题，因为这是一个客户端 WSDL ，我不想通过上述更改将其存储在我的本地。

Answer 1

您的架构似乎无效。所以不，除非您修复错误，否则 XJC 不会编译它。

作为一种解决方法，您可以创建架构的本地副本并修复此副本。您可以创建一个目录文件，该文件将“重写”全局 URL http://someIP/dummywsdl.asmx?wsdl`` into your localdummywsdl.asmx_wsdl`：

REWRITE_SYSTEM "http://someIP/dummywsdl.asmx?wsdl" "dummywsdl.asmx_wsdl"

请参阅Using catalogs 了解更多信息。