Wildfly 中的 JAX-WS Metro 实现

Question

我尝试在 Wildfly 10 中使用 JAX-WS Metro 实现更改默认 (CXF) 实现。我必须执行大量步骤（遵循此 link）并适应 Wildfly 10。

• 已禁用 Web 服务子系统。
• 添加 Metro 实现 jar 作为模块
• 提供了 javax.xml.ws.spi.Provider 文件。
• 从 javax 模块中禁用 org.jboss.modules。

但是在服务器启动时，初始化时出现异常。这是堆栈跟踪。看起来仍然在实例化 jboss __XMLInputFactory 而不是 Metro 一个。

有什么想法吗？我尝试使用以下类添加文件 services/javax.xml.stream.XMLInputFactory 并且没有运气。

com.sun.xml.internal.stream.XMLInputFactoryImpl

堆栈跟踪

com.sun.xml.ws.transport.http.servlet.WSServletException: WSSERVLET11: failed to parse runtime descriptor: java.lang.ExceptionInInitializerError
    at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:85)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
    at java.util.concurrent.FutureTask.run(FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
    at org.jboss.threads.JBossThread.run(JBossThread.java:320)
Caused by: java.lang.RuntimeException: javax.servlet.ServletException: com.sun.xml.ws.transport.http.servlet.WSServletException: WSSERVLET11: failed to parse runtime descriptor: java.lang.ExceptionInInitializerError
    at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:231)
    at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:100)
    at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:82)
    ... 6 more
Caused by: javax.servlet.ServletException: com.sun.xml.ws.transport.http.servlet.WSServletException: WSSERVLET11: failed to parse runtime descriptor: java.lang.ExceptionInInitializerError
    at com.sun.xml.ws.transport.http.servlet.WSServletContainerInitializer.onStartup(WSServletContainerInitializer.java:66)
    at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:184)
    ... 8 more
Caused by: com.sun.xml.ws.transport.http.servlet.WSServletException: WSSERVLET11: failed to parse runtime descriptor: java.lang.ExceptionInInitializerError
    at com.sun.xml.ws.transport.http.servlet.WSServletContextListener.parseAdaptersAndCreateDelegate(WSServletContextListener.java:137)
    at com.sun.xml.ws.transport.http.servlet.WSServletContainerInitializer.onStartup(WSServletContainerInitializer.java:61)
    ... 9 more
Caused by: java.lang.ExceptionInInitializerError
    at com.sun.xml.ws.transport.http.DeploymentDescriptorParser.parse(DeploymentDescriptorParser.java:144)
    at com.sun.xml.ws.transport.http.servlet.WSServletContextListener.parseAdaptersAndCreateDelegate(WSServletContextListener.java:127)
    ... 10 more
Caused by: java.lang.ClassCastException: __redirected.__XMLInputFactory cannot be cast to javax.xml.stream.XMLInputFactory
    at javax.xml.stream.XMLInputFactory.newInstance(XMLInputFactory.java:136)
    at com.sun.xml.ws.api.streaming.XMLStreamReaderFactory.getXMLInputFactory(XMLStreamReaderFactory.java:109)
    at com.sun.xml.ws.api.streaming.XMLStreamReaderFactory.<clinit>(XMLStreamReaderFactory.java:78)
    ... 12 more

Answer 1

我发现这是由于classloader 问题导致XMLInputFactoryImpl 被加载到多个类加载器中。我的问题中提到的步骤在 wildfly 版本中不起作用，因为它的行为与其前身不同。

我已经设法找到自己的方法让Metro 在wildfly 10 中工作，如下所示。

• 将 Metro 实现打包在耳中。并且不需要其他模块破解。 (参考 pom.xml)
• 移除了默认的 webservice 模块（参考 jboss-deployment-structure.xml）
• 为每个 EJB 添加了 JNDI 查找，以便在 WAR 中引用它们。由于此过程，CDI 注入 @EJB 似乎不起作用，因此 必须使用 JNDI。

jboss-deployment-structure.xml

<?xml version="1.0" encoding="UTF-8"?>
<jboss-deployment-structure>
    <!-- This means that the sub deployments of the EAR will have automatic 
        dependencies on each other except for WAR sub deployments. -->
    <ear-subdeployments-isolated>false</ear-subdeployments-isolated>

    <deployment>
        <exclude-subsystems>
            <subsystem name="webservices" />
            <subsystem name="jaxrs" />
        </exclude-subsystems>
        <!-- needed for SOAPHandler otherwise not required. -->
        <dependencies>
            <module name="com.sun.xml.messaging.saaj" export="true" services="export" />
        </dependencies>
    </deployment>

</jboss-deployment-structure>

pom.xml

<dependency>
            <groupId>com.sun.xml.ws</groupId>
            <artifactId>webservices-rt</artifactId>
            <version>2.1-b16</version>
        </dependency>
        <dependency>
            <groupId>javax.xml</groupId>
            <artifactId>webservices-api</artifactId>
            <version>2.1-b16</version>
        </dependency>
        <dependency>
            <groupId>com.sun.tools.ws</groupId>
            <artifactId>webservices-tools</artifactId>
            <version>2.1-b16</version>
        </dependency>
        <dependency>
            <groupId>javax.xml</groupId>
            <artifactId>webservices-extra-api</artifactId>
            <version>2.1-b16</version>
        </dependency>
        <dependency>
            <groupId>com.sun.xml.ws</groupId>
            <artifactId>webservices-extra</artifactId>
            <version>2.1-b16</version>
        </dependency>

JNDI 查找

// get the deployed name from startup log for each EJBs deployed
deployedName = "java:global/example-ear-2.0-SNAPSHOT/logic/ExampleBean!org.example.com.ExampleBean";
T ejb = (T) initialContext.lookup(deployedName);