嗨,我是 liferay 中 json Web 服务的新手,我收到以下错误!我在 web.xml 中添加了 JSONWebServiceServlet。我必须将任何 jar 文件添加到类路径吗?
05:51:36,250 ERROR [PortalClassLoaderServlet:76] java.lang.ClassNotFoundException: com.liferay.portal.jsonwebservice.JSONWebServiceServlet
java.lang.ClassNotFoundException: com.liferay.portal.jsonwebservice.JSONWebServiceServlet
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1645)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1491)
at com.liferay.portal.kernel.servlet.PortalClassLoaderServlet.portalInit(PortalClassLoaderServlet.java:70)
at com.liferay.portal.kernel.util.PortalLifecycleUtil.register(PortalLifecycleUtil.java:52)
at com.liferay.portal.kernel.servlet.PortalClassLoaderServlet.init(PortalClassLoaderServlet.java:44)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1173)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:993)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4350)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4659)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1244)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1342)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:303)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1337)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
at java.lang.Thread.run(Unknown Source)
在 web.xml 我这样写:
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>pdfportlet-portlet</display-name>
<jsp-config>
<taglib>
<taglib-uri>http://java.sun.com/portlet_2_0</taglib-uri>
<taglib-location>/WEB-INF/tld/liferay-portlet.tld</taglib-location>
</taglib>
</jsp-config>
<servlet>
<servlet-name>JSON Web Service Servlet</servlet-name>
<servlet-class>com.liferay.portal.kernel.servlet.PortalClassLoaderServlet</servlet-class>
<init-param>
<param-name>servlet-class</param-name>
<param-value>com.liferay.portal.jsonwebservice.JSONWebServiceServlet</param-value>
</init-param>
<load-on-startup>0</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>JSON Web Service Servlet</servlet-name>
<url-pattern>/api/jsonws/*</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>JSON Web Service Servlet</servlet-name>
<url-pattern>/api/secure/jsonws/*</url-pattern>
</servlet-mapping>
</web-app>