加载 css 时出错，找不到"primefaces-Omega"库 Primefaces 6.0 "theme.css"资源

Question

我在JSF 2.2上使用PrimeFaces 6.0，以便受益于新的内置免费社区主题Omega，但是它不适合我。在文档中说:"要启用omega，请设置primefaces。主题上下文参数为Omega，就这样"

我没有使用maven项目

here is my web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" 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-app_3_1.xsd">
<context-param>
    <param-name>javax.faces.PROJECT_STAGE</param-name>
    <param-value>Development</param-value>
</context-param>
<context-param>
    <param-name>primefaces.THEME</param-name>
    <param-value>Omega</param-value>
</context-param>
<context-param>
    <param-name>javax.faces.DATETIMECONVERTER_DEFAULT_TIMEZONE_IS_SYSTEM_TIMEZONE</param-name>
    <param-value>true</param-value>
</context-param>
<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>*.xhtml</url-pattern>
</servlet-mapping>
<session-config>
    <session-timeout>
        18000
    </session-timeout>
</session-config>
<welcome-file-list>
    <welcome-file>login.xhtml</welcome-file>
</welcome-file-list>
<context-param>
    <param-name>primefaces.UPLOADER</param-name>
    <param-value>commons</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>

Answer 1

在primefaces的官方博客中，Omega被写成大写的"O"