将 JSF 2.3 部署到 Tomcat 9 时出现异常

问题描述 投票：0回答：1

我对 JSF 开发完全陌生，在部署到 Tomcat 9.0.80 时遇到以下异常：

27-Aug-2023 22:34:59.067 SEVERE [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log Servlet.init() for servlet [Faces Servlet] threw exception
    27-Aug-2023 23:30:14.803 SEVERE [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.StandardContext.listenerStart Exception sending context initialized event to listener instance of class [com.sun.faces.config.ConfigureListener]
java.lang.RuntimeException: javax.faces.FacesException: Unable to find CDI BeanManager
    at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:315)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4462)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4914)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:171)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:683)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:658)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:662)
    at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1782)
    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.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:294)
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
    at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:460)
    at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:408)
    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.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:294)
    at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
    at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
    at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468)
    at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
    at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
    at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408)
    at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)
    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 sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357)
    at sun.rmi.transport.Transport$1.run(Transport.java:200)
    at sun.rmi.transport.Transport$1.run(Transport.java:197)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
    at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:573)
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:834)
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:688)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:687)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
Caused by: javax.faces.FacesException: Unable to find CDI BeanManager
    at com.sun.faces.el.ELUtils.tryAddCDIELResolver(ELUtils.java:312)
    at com.sun.faces.el.ELUtils.buildFacesResolver(ELUtils.java:242)
    at com.sun.faces.application.ApplicationAssociate.initializeELResolverChains(ApplicationAssociate.java:484)
    at com.sun.faces.application.ApplicationImpl.performOneTimeELInitialization(ApplicationImpl.java:1404)
    at com.sun.faces.application.ApplicationImpl.getELResolver(ApplicationImpl.java:526)
    at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:256)
    ... 47 more

我在网上（包括stackoverflow）搜索答案，但所有这些都超出了我的想象。我查看的一些链接（其解决方案显然不适合我）：

  1. javax.faces.FacesException 无法找到 CDI BeanManager
  2. Wildfly 启动时出现错误。 javax.faces.FacesException：无法找到 CDI BeanManager

这是我的 beans.xml：

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:beans="http://xmlns.jcp.org/xml/ns/javaee"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/beans_2_0.xsd"
       version="2.0" bean-discovery-mode="annotated">

</beans>

以下是我的pom.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>in.xiller.udemy.jsf</groupId>
    <artifactId>hello</artifactId>
    <version>1.0-SNAPSHOT</version>
    <name>Hello</name>
    <packaging>war</packaging>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.target>1.8</maven.compiler.target>
        <maven.compiler.source>1.8</maven.compiler.source>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.glassfish</groupId>
            <artifactId>javax.faces</artifactId>
            <version>2.3.0</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>4.0.1</version>
            <scope>provided</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-war-plugin</artifactId>
                <version>3.3.2</version>
            </plugin>
        </plugins>
    </build>
</project>

并且，以下是我的facelets-config.xml（位于

src/webapp/WEB-INF
内）：

<?xml version="1.0" encoding="UTF-8"?>
<faces-config
    xmlns="http://xmlns.jcp.org/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-facesconfig_2_3.xsd"
    version="2.3">

</faces-config>

而且，这是我的

web.xml
：

   <?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>hello</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</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-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>/faces/*</url-pattern>
  </servlet-mapping>
  <context-param>
    <description>State saving method: 'client' or 'server' (=default). See JSF Specification 2.5.2</description>
    <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
    <param-value>client</param-value>
  </context-param>
  <context-param>
    <param-name>javax.servlet.jsp.jstl.fmt.localizationContext</param-name>
    <param-value>resources.application</param-value>
  </context-param>
  <listener>
     <listener-class>com.sun.faces.config.ConfigureListener</listener-class>
  </listener>
</web-app>

有人可以用简短的语言帮我理解吗：

  1. 我做错了什么
  2. 如何解决以上问题
java tomcat jsf
1个回答
0
投票

如果您使用没有 Weld 的普通 Tomcat，那么您将收到此错误，因为 Tomcat 默认情况下不支持完整的 Java EE 功能，包括 CDI。

您可以通过以下 Maven 依赖项包含 Weld：

<!-- https://mvnrepository.com/artifact/org.jboss.weld.servlet/weld-servlet -->
<dependency>
    <groupId>org.jboss.weld.servlet</groupId>
    <artifactId>weld-servlet</artifactId>
    <version>2.4.8.Final</version>
</dependency>
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