class java.lang.ClassNotFoundException：org.omnifaces.filter.GzipResponseFilter

Question

私はprimefaces 6.0とWebSphere 8.0を使用しています。私はWebアプリケーションにGZipを実装したいと思います。研究の多くの後、私はGzip圧縮技術を使用することができますGzipResponseFilter omnifacesを使用して知って来た。ここ は私のweb.xmlです：

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

<web-app id="WebApp_ID" version="3.0" 
    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-app_3_0.xsd"> 
    <display-name>pla.web</display-name> 
    <servlet> 
     <servlet-name>FacesServlet</servlet-name> 
     <servlet-class>javax.faces.webapp.FacesServlet</servlet-class> 
     <load-on-startup>1</load-on-startup> 
    </servlet> 
    <servlet-mapping> 
     <servlet-name>FacesServlet</servlet-name> 
     <url-pattern>*.xhtml</url-pattern> 
     <url-pattern>/faces/*</url-pattern> 
    </servlet-mapping> 
    <session-config> 
     <session-timeout>30</session-timeout> 
    </session-config> 
    <filter> 
    <filter-name>gzipResponseFilter</filter-name> 
    <filter-class>org.omnifaces.filter.GzipResponseFilter</filter-class> 
    <init-param> 
     <description>The threshold size in bytes. Must be a number between 0 and 9999. Defaults to 150.</description> 
     <param-name>threshold</param-name> 
     <param-value>150</param-value> 
    </init-param> 
    <init-param> 
     <description>The mimetypes which needs to be compressed. Must be a commaseparated string. Defaults to the below values.</description> 
     <param-name>mimetypes</param-name> 
     <param-value> 
    text/plain, text/html, text/xml, text/css, text/javascript, text/csv, text/rtf, 
    application/xml, application/xhtml+xml, application/x-javascript, application/javascript, application/json, 
    image/svg+xml, image/gif, application/x-font-woff, application/font-woff2, image/png 
</param-value> 
    </init-param> 
</filter> 
<filter-mapping> 
    <filter-name>gzipResponseFilter</filter-name> 
    <url-pattern>/*</url-pattern> 
    <dispatcher>REQUEST</dispatcher> 
    <dispatcher>ERROR</dispatcher> 
</filter-mapping> 
<error-page> 
    <exception-type>java.lang.Throwable</exception-type> 
    <location>/</location> 
</error-page> 

    <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>FacesServlet</servlet-name> 
    </filter-mapping> 

    <context-param> 
     <param-name>javax.faces.DATETIMECONVERTER_DEFAULT_TIMEZONE_IS_SYSTEM_TIMEZONE</param-name> 
     <param-value>true</param-value> 
    </context-param> 
    <!-- do not render comments --> 
    <context-param> 
     <param-name>javax.faces.FACELETS_SKIP_COMMENT</param-name> 
     <param-value>true</param-value> 
    </context-param> 
    <!-- do not ignore empty input fields --> 
    <context-param> 
     <param-name>javax.faces.INTERPRET_EMPTY_STRING_SUBMITTED_VALUES_AS_NULL</param-name> 
     <param-value>true</param-value> 
    </context-param> 
    <context-param> 
     <param-name>javax.faces.PROJECT_STAGE</param-name> 
     <param-value>Production</param-value> 
    </context-param> 
    <!-- validate also empty fields --> 
    <context-param> 
     <param-name>javax.faces.VALIDATE_EMPTY_FIELDS</param-name> 
     <param-value>true</param-value> 
    </context-param> 
    <context-param> 
     <param-name>primefaces.THEME</param-name> 
     <param-value>daimler</param-value> 
    </context-param> 
    <context-param> 
     <param-name>javax.faces.STATE_SAVING_METHOD</param-name> 
     <param-value>server</param-value> 
    </context-param> 
    <context-param> 
     <param-name>org.apache.myfaces.NUMBER_OF_VIEWS_IN_SESSION</param-name> 
     <param-value>128</param-value> 
    </context-param> 
    <context-param> 
     <param-name>org.apache.myfaces.SERIALIZE_STATE_IN_SESSION</param-name> 
     <param-value>false</param-value> 
    </context-param> 

</web-app> 

Answer 1

org.omnifaces.filter.GzipResponseFilterは、ビルド・パスで発見されていません。ビルドパスを検査し、セットアップを修正します。