AXIS 2 Web 服务访问中的 ClassCastException：RequestURIBasedDispatcher

Question

我正在将我的 AXIS 1 Web 服务发展为 AXIS 2。我已经成功地部署了没有处理程序的 Web 服务，它们运行很好，但是现在，我正在尝试按顺序添加处理程序处理 SOAP headers（安全原因）。在 AXIS 1 中，我在 WSDD 文件中定义了处理程序，但根据 AXIS 2 文档，现在我需要定义一个模块以便将处理程序包含到 AXIS 引擎中。但是，在我的 WildFly 服务器中部署该服务后，我向该服务发送了一个 SOAP 请求，我得到了以下响应：

<html>
<head>
...
</head>
<body>
    <div class="header">
        <div class="error-div"/>
        <div class="error-text-div">Error processing request</div>
    </div>
    <div class="label">Context Path:</div>
    <div class="value">/pao</div>
    <br/>
    <div class="label">Servlet Path:</div>
    <div class="value">/services</div>
    <br/>
    <div class="label">Path Info:</div>
    <div class="value">/PAOSynchronizationServiceSOAP</div>
    <br/>
    <div class="label">Query String:</div>
    <div class="value">null</div>
    <br/>
    <b>Stack Trace</b>
    <br/>
  javax.servlet.ServletException: javax.servlet.ServletException: org.apache.axis2.deployment.DeploymentException: org.apache.axis2.dispatchers.RequestURIBasedDispatcher cannot be cast to org.apache.axis2.engine.Handler
    <br/>
  org.apache.axis2.transport.http.AxisServlet.init(AxisServlet.java:479)
    <br/>
  io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:117)
    <br/>
  org.wildfly.extension.undertow.security.RunAsLifecycleInterceptor.init(RunAsLifecycleInterceptor.java:78)
    <br/>
  io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:103)
    <br/>
  io.undertow.servlet.core.ManagedServlet$DefaultInstanceStrategy.start(ManagedServlet.java:250)
    <br/>
  io.undertow.servlet.core.ManagedServlet.getServlet(ManagedServlet.java:171)
    <br/>
  io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:84)
    <br/>
  io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
    <br/>
  io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
    <br/>
  org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
    <br/>
  io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    <br/>
  io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
    <br/>
  io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
    <br/>
  io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    <br/>
  io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
    <br/>
  io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
    <br/>
  io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
    <br/>
  io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
    <br/>
  io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
    <br/>
  io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
    <br/>
  io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    <br/>
  org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
    <br/>
  io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    <br/>
  io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
    <br/>
  io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
    <br/>
  io.undertow.servlet.handlers.ServletInitialHandler.access0(ServletInitialHandler.java:81)
    <br/>
  io.undertow.servlet.handlers.ServletInitialHandler.call(ServletInitialHandler.java:138)
    <br/>
  io.undertow.servlet.handlers.ServletInitialHandler.call(ServletInitialHandler.java:135)
    <br/>
  io.undertow.servlet.core.ServletRequestContextThreadSetupAction.call(ServletRequestContextThreadSetupAction.java:48)
    <br/>
  io.undertow.servlet.core.ContextClassLoaderSetupAction.call(ContextClassLoaderSetupAction.java:43)
    <br/>
  io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
    <br/>
  io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
    <br/>
  io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
    <br/>
  io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
    <br/>
  io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
    <br/>
  io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
    <br/>
  io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
    <br/>
  io.undertow.servlet.handlers.ServletInitialHandler.access[=10=]0(ServletInitialHandler.java:81)
    <br/>
  io.undertow.servlet.handlers.ServletInitialHandler.handleRequest(ServletInitialHandler.java:104)
    <br/>
  io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
    <br/>
  io.undertow.server.HttpServerExchange.run(HttpServerExchange.java:805)
    <br/>
  java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    <br/>
  java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    <br/>
  java.lang.Thread.run(Thread.java:748)
    <br/>
</body>

而且，在我的应用程序日志中，我可以看到：

2020-05-18 11:43:24,418 DEBUG [org.apache.axis2.transport.http.AxisServlet] (default task-3) OnDemandLogger initialized for class org.apache.axis2.transport.http.AxisServlet is:org.apache.commons.logging.impl.SLF4JLocationAwareLog@2500e603
    2020-05-18 11:43:24,418 INFO  [org.apache.axis2.transport.http.AxisServlet] (default task-3)
    org.apache.axis2.deployment.DeploymentException: org.apache.axis2.dispatchers.RequestURIBasedDispatcher cannot be cast to org.apache.axis2.engine.Handler
    2020-05-18 11:43:24,419 ERROR [io.undertow.request] (default task-3) UT005023: Exception handling request to /pao/services/PAOSynchronizationServiceSOAP: javax.servlet.ServletException: javax.servlet.ServletException: org.apache.axis2.deployment.DeploymentException: org.apache.axis2.dispatchers.RequestURIBasedDispatcher cannot be cast to org.apache.axis2.engine.Handler
        at org.apache.axis2.transport.http.AxisServlet.init(AxisServlet.java:479)
        at io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:117)
        at org.wildfly.extension.undertow.security.RunAsLifecycleInterceptor.init(RunAsLifecycleInterceptor.java:78)
        at io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:103)
        at io.undertow.servlet.core.ManagedServlet$DefaultInstanceStrategy.start(ManagedServlet.java:250)
        at io.undertow.servlet.core.ManagedServlet.getServlet(ManagedServlet.java:171)
        at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:84)
        at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
        at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
        at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
        at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
        at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
        at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
        at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
        at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
        at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
        at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
        at io.undertow.servlet.handlers.ServletInitialHandler.access0(ServletInitialHandler.java:81)
        at io.undertow.servlet.handlers.ServletInitialHandler.call(ServletInitialHandler.java:138)
        at io.undertow.servlet.handlers.ServletInitialHandler.call(ServletInitialHandler.java:135)
        at io.undertow.servlet.core.ServletRequestContextThreadSetupAction.call(ServletRequestContextThreadSetupAction.java:48)
        at io.undertow.servlet.core.ContextClassLoaderSetupAction.call(ContextClassLoaderSetupAction.java:43)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.api.LegacyThreadSetupActionWrapper.call(LegacyThreadSetupActionWrapper.java:44)
        at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
        at io.undertow.servlet.handlers.ServletInitialHandler.access[=11=]0(ServletInitialHandler.java:81)
        at io.undertow.servlet.handlers.ServletInitialHandler.handleRequest(ServletInitialHandler.java:104)
        at io.undertow.server.Connectors.executeRootHandler(Connectors.java:202)
        at io.undertow.server.HttpServerExchange.run(HttpServerExchange.java:805)
        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:748)
    Caused by: javax.servlet.ServletException: org.apache.axis2.deployment.DeploymentException: org.apache.axis2.dispatchers.RequestURIBasedDispatcher cannot be cast to org.apache.axis2.engine.Handler
        at org.apache.axis2.transport.http.AxisServlet.initConfigContext(AxisServlet.java:627)
        at org.apache.axis2.transport.http.AxisServlet.init(AxisServlet.java:471)
        ... 43 more
    Caused by: org.apache.axis2.deployment.DeploymentException: org.apache.axis2.dispatchers.RequestURIBasedDispatcher cannot be cast to org.apache.axis2.engine.Handler
        at org.apache.axis2.deployment.util.Utils.loadHandler(Utils.java:148)
        at org.apache.axis2.deployment.AxisConfigBuilder.processPhaseList(AxisConfigBuilder.java:575)
        at org.apache.axis2.deployment.AxisConfigBuilder.processPhaseOrders(AxisConfigBuilder.java:606)
        at org.apache.axis2.deployment.AxisConfigBuilder.populateConfig(AxisConfigBuilder.java:149)
        at org.apache.axis2.deployment.DeploymentEngine.populateAxisConfiguration(DeploymentEngine.java:629)
        at org.apache.axis2.deployment.WarBasedAxisConfigurator.<init>(WarBasedAxisConfigurator.java:157)
        at org.apache.axis2.transport.http.AxisServlet.initConfigContext(AxisServlet.java:620)
        ... 44 more
    Caused by: java.lang.ClassCastException: org.apache.axis2.dispatchers.RequestURIBasedDispatcher cannot be cast to org.apache.axis2.engine.Handler
        at org.apache.axis2.deployment.util.Utils.loadHandler(Utils.java:133)
        ... 50 more

我使用了 maven 插件 "axis2-repo-maven-plugin" 来生成 .mar 和 .list 文件。 services.xml 是这样的：

    <service name="PAOSynchronizationServiceSOAP" targetNamespace="urn:es:pao:services:messages:1.0.0">
    <description>Servicios PAO.</description>
    <module ref="AuthModule" />
    <schema schemaNamespace="urn:es:pao:services:messages:1.0.0" />
    <parameter name="ServiceClass" locked="false">es.gob.afirma.pao.impl.PAOSynchronizationServiceSOAPBindingImpl
    </parameter>
    <!-- <parameter name="disableSOAP11" locked="true">true</parameter> -->
    <parameter name="disableREST" locked="false">true</parameter>
    <messageReceivers>
        <messageReceiver mep="http://www.w3.org/ns/wsdl/in-out"
            class="es.gob.afirma.pao.utilities.PAOSynchronizationServiceMessageReceiverInOut" />
    </messageReceivers>
</service>

module.xml:

<module name="AuthModule" class="es.gob.afirma.pao.utilities.AuthModule">
<InFlow>
    <handler name="AuthHandler" class="es.gob.afirma.pao.impl.AuthHandler">
        <order phase="Security" />
    </handler>
</InFlow>

<OutFlow>
</OutFlow>

<OutFaultFlow>
</OutFaultFlow>

<InFaultFlow>
</InFaultFlow>

默认情况下模块实现（使用空方法）并且处理程序扩展到 AbstractHandler class。

我做错了什么？

Answer 1

终于找到问题所在了。我添加了 "rampart" 依赖项，它与其他 Axis 库冲突，因此，在阶段加载过程中，Axis 引擎在转换处理程序时崩溃。

我使用 "rampart" 依赖项来执行 "axis2-mar-maven-plugin" maven 插件 (following this guide) 但最后我在 axis2.xml 文件中添加了处理程序，所以，我不需要定义 Axis 模块。

AXIS 2 Web 服务访问中的 ClassCastException：RequestURIBasedDispatcher

ClassCastException in AXIS 2 web service access: RequestURIBasedDispatcher

java

axis

axis2

maven

wildfly