【发布时间】：2013-06-07 18:48:33
【问题描述】：
我尝试使用 Omnifaces 库恢复我的 xhtml jsf 中的常量，但是当我运行我的项目时，我得到：
在类路径中找不到类型“fr.epsi.utils.ConstantsPages”。
这是我的 xhtml 页面：
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:o="http://omnifaces.org/ui">
<o:importConstants type="fr.epsi.utils.ConstantsPages" />
<h:head>
<title>Acceuil</title>
<h:outputStylesheet name="css/style.css"/>
</h:head>
<h:body>
<h:panelGrid columns="3" cellpadding="10">
<h:link value="Home" outcome="#{ConstantsPages.LOGIN_PAGE}" />
</h:panelGrid>
<h:body>
</html>
还有我的 ConstantsPages 类：
package fr.epsi.utils;
public class ConstantsPages {
/* GENERAL */
public static final String LOGIN_PAGE = "/General/login";
public static final String LOGIN_CLIENT_PAGE = "/General/loginClient";
public static final String LOGIN_TECHNICIEN_PAGE = "/General/loginTechnicien";
public static final String ACCUEIL_PAGE = "/General/accueil";
}
还有堆栈跟踪：
java.lang.IllegalArgumentException: Cannot find type 'fr.epsi.utils.ConstantsPages' in classpath.
at org.omnifaces.taghandler.ImportConstants.toClass(ImportConstants.java:173)
at org.omnifaces.taghandler.ImportConstants.collectConstants(ImportConstants.java:134)
at org.omnifaces.taghandler.ImportConstants.apply(ImportConstants.java:117)
at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
at com.sun.faces.facelets.compiler.NamespaceHandler.apply(NamespaceHandler.java:93)
at javax.faces.view.facelets.CompositeFaceletHandler.apply(CompositeFaceletHandler.java:98)
at com.sun.faces.facelets.compiler.EncodingHandler.apply(EncodingHandler.java:86)
at com.sun.faces.facelets.impl.DefaultFacelet.apply(DefaultFacelet.java:152)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.buildView(FaceletViewHandlingStrategy.java:774)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:100)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.ClassNotFoundException: fr.epsi.utils.ConstantsPages
at com.sun.enterprise.loader.ASURLClassLoader.findClassData(ASURLClassLoader.java:808)
at com.sun.enterprise.loader.ASURLClassLoader.findClass(ASURLClassLoader.java:696)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:186)
at org.omnifaces.taghandler.ImportConstants.toClass(ImportConstants.java:156)
... 36 more
请帮帮我！
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