java.lang.AbstractMethodError：org.apache.xerces.dom.ElementImpl.getTextContent（）Ljava / lang / String

Question

我使用Omnifaces 1.3 + Primefaces 3.4.1 +
7.1.1的Jboss决赛，但我不能重定向与例外FullAjaxExceptionHandler对我的配置web.xml，当他们通过Ajax请求。什么也没发生，只是另一个例外：

19:38:05,467 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/taxMileage].[Faces Servlet]] (http--0.0.0.0-8181-4) Servlet.service() for servlet Faces Servlet threw exception: java.lang.AbstractMethodError: org.apache.xerces.dom.ElementImpl.getTextContent()Ljava/lang/String;
    at org.omnifaces.config.WebXml.parseErrorPageLocations(WebXml.java:216) [omnifaces-1.3.jar:1.3]
    at org.omnifaces.config.WebXml.<init>(WebXml.java:84) [omnifaces-1.3.jar:1.3]
    at org.omnifaces.config.WebXml.<clinit>(WebXml.java:53) [omnifaces-1.3.jar:1.3]
    at org.omnifaces.exceptionhandler.FullAjaxExceptionHandler.handleAjaxException(FullAjaxExceptionHandler.java:162) [omnifaces-1.3.jar:1.3]
    at org.omnifaces.exceptionhandler.FullAjaxExceptionHandler.handle(FullAjaxExceptionHandler.java:145) [omnifaces-1.3.jar:1.3]
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:119) [jsf-impl-2.1.7-jbossorg-2.jar:]
    at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) [jsf-impl-2.1.7-jbossorg-2.jar:]

有人可以给我小费吗？我被卡住了。如果我在没有ajax的情况下调用相同的错误，则会正确重定向异常。

我的web.xml：

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
    id="WebApp_ID" version="3.0"
>
    <display-name>taxMileage</display-name>
    <welcome-file-list>
        <welcome-file>/pages/protected/user/dashboard.xhtml</welcome-file>
    </welcome-file-list>
    <servlet>
        <servlet-name>Faces Servlet</servlet-name>
        <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet>
        <servlet-name>InitializeApplication</servlet-name>
        <servlet-class>com.taxMileage.server.util.InitializeApplication</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <context-param>
        <param-name>primefaces.THEME</param-name>
        <param-value>south-street</param-value>
    </context-param>
    <filter>
        <filter-name>PrimeFaces FileUpload Filter</filter-name>
        <filter-class>org.primefaces.webapp.filter.FileUploadFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>PrimeFaces FileUpload Filter</filter-name>
        <servlet-name>Faces Servlet</servlet-name>
    </filter-mapping>
    <filter>
        <filter-name>facesExceptionFilter</filter-name>
        <filter-class>org.omnifaces.filter.FacesExceptionFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>facesExceptionFilter</filter-name>
        <servlet-name>Faces Servlet</servlet-name>
    </filter-mapping>

    <servlet-mapping>
        <servlet-name>Faces Servlet</servlet-name>
        <url-pattern>/faces/*</url-pattern>
        <url-pattern>*.jsf</url-pattern>
        <url-pattern>*.xhtml</url-pattern>
    </servlet-mapping>

    <servlet-mapping>
        <servlet-name>javax.ws.rs.core.Application</servlet-name>
        <url-pattern>/rest/*</url-pattern>
    </servlet-mapping>

    <!-- -->

    <!-- Protected area definition -->
    <security-constraint>
        <web-resource-collection>
            <web-resource-name>Restricted Area - ADMIN Only</web-resource-name>
            <url-pattern>/pages/protected/admin/*</url-pattern>
        </web-resource-collection>
        <auth-constraint>
            <role-name>ADMIN</role-name>
        </auth-constraint>
    </security-constraint>
    <security-constraint>
        <web-resource-collection>
            <web-resource-name>Restricted Area - USER and ADMIN</web-resource-name>
            <url-pattern>/pages/protected/user/*</url-pattern>
        </web-resource-collection>
        <auth-constraint>
            <role-name>USER</role-name>
            <role-name>ADMIN</role-name>
        </auth-constraint>
    </security-constraint>
    <security-constraint>
        <web-resource-collection>
            <web-resource-name>Secured resources</web-resource-name>
            <url-pattern>/rest/*</url-pattern>
        </web-resource-collection>
        <user-data-constraint>
            <transport-guarantee>NONE</transport-guarantee>
        </user-data-constraint>
    </security-constraint>

    <!-- Login page -->
    <login-config>
        <auth-method>FORM</auth-method>
        <form-login-config>
            <form-login-page>/pages/public/login.xhtml</form-login-page>
            <form-error-page>/pages/public/loginError.xhtml</form-error-page>
        </form-login-config>
    </login-config>

    <!-- System roles -->
    <security-role>
        <role-name>ADMIN</role-name>
    </security-role>
    <security-role>
        <role-name>USER</role-name>
    </security-role>

    <error-page>
        <exception-type>java.lang.RuntimeException</exception-type>
        <location>/pages/error/error1.xhtml</location>
    </error-page>
</web-app>

我的faces-config.xml：

<?xml version="1.0" encoding="UTF-8"?>

<faces-config xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_1.xsd"
    version="2.1">

    <lifecycle>
        <phase-listener>com.taxMileage.server.util.MultiPageMessagesSupport</phase-listener>
    </lifecycle>

    <factory>
        <exception-handler-factory>org.omnifaces.exceptionhandler.FullAjaxExceptionHandlerFactory</exception-handler-factory>
    </factory>

    <application>
        <resource-bundle>
            <base-name>messages</base-name>
            <var>msgs</var>
        </resource-bundle>
    </application>
</faces-config>

谢谢！

Answer 1

java.lang.AbstractMethodError：org.apache.xerces.dom.ElementImpl.getTextContent（）Ljava
/ lang / String;

当您的WAR /WEB-INF/lib（甚至JRE /lib）中存在Xerces
JAR文件时，就会发生这种情况，该文件的版本比servlet容器内部使用的版本更旧。显然实现Java
1.4.2或更早版本的JAXP的较旧版本缺少Java
1.5的
JAXP中引入的上述方法。

有2个选项：

1. 将Xerces JAR文件升级到至少与使用servlet容器的版本匹配的较新版本。

2. 从中删除那些Xerces JAR文件/WEB-INF/lib。他们实际上不属于那里。servletcontainer带有自己的JAXP实现。您无需通过网络应用程序提供自己的内容。

建议使用选项2。使用诸如Maven之类的依赖项管理框架时要当心。即使该API已经是Java
SE的一部分，某些较差的库也会特别将JAXP实现作为传递依赖项包括在内。

请注意，具体问题与OmniFaces无关。这只是由类路径污染引起的。OmniFaces使用JAXP解析web.xml（和web- fragment.xml）并提取错误页面位置。 更新 ：自OmniFaces 2.0以来，不再存在此 特定
异常，因为它已按照问题90替换getTextContent()为getFirstChild().getNodeValue()。