我正在从 JBoss 5.1.0.GA 迁移到 JBoss 6.0.0-Final 并在 FacesServler 初始化期间面临以下异常
2011-03-09 18:07:24,574 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[localhost].[/].[Faces Servlet]] (http-0.0.0.0-8080-4) Allocate exception for servlet Faces Servlet: java.lang.IllegalStateException: Application was not properly initialized at startup, could not find Factory: javax.faces.context.FacesContextFactory
at javax.faces.FactoryFinder$FactoryManager.getFactory(FactoryFinder.java:725) [:1.2_15-20100816-SNAPSHOT]
at javax.faces.FactoryFinder.getFactory(FactoryFinder.java:239) [:1.2_15-20100816-SNAPSHOT]
at javax.faces.webapp.FacesServlet.init(FacesServlet.java:164) [:1.2_15-20100816-SNAPSHOT]
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1208) [:6.0.0.Final]
at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:955) [:6.0.0.Final]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:188) [:6.0.0.Final]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) [:6.0.0.Final]
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181) [:6.0.0.Final]
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501) [:6.0.0.Final]
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88) [:6.0.0.Final]
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100) [:6.0.0.Final]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) [:6.0.0.Final]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [:6.0.0.Final]
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) [:6.0.0.Final]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [:6.0.0.Final]
at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53) [:6.0.0.Final]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [:6.0.0.Final]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [:6.0.0.Final]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654) [:6.0.0.Final]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) [:6.0.0.Final]
at java.lang.Thread.run(Thread.java:619) [:1.6.0_14]
我查看了代码,发现 FactoryFinder 根据当前线程类加载器查找相应的 FactoryManager。我还发现我的 FactoryFinder.FACTORIES_CACHE 包含两个类加载器的两个条目:
* BaseClassLoader which loads my EAR and
* WebCtxLoader.ENCLoader which is used during web app running and which was current context classloaded for failed thread.
我的部署结构如下:
* deploy
o myapplication.ear
+ lib
# richfaces jars (3.3.1.GA)
# seam jars (2.2.1.Final)
# openfaces jar (2.0.0)
# other jars
+ META-INF
# jboss-app.xml
# application.xml
+ myapplication.war
# WEB-INF
* web.xml
* faces-config.xml
* components.xml
* deployers
o jbossweb.deployer
o jsf.deployer
o and others
我使用 Mojarra-1.2 作为 JSF 实现
<param-name>org.jboss.jbossfaces.JSF_CONFIG_NAME</param-name>
<param-value>Mojarra-1.2</param-value>
经过一些调试,我可以总结:
1. all JSF initialization is made in BaseClassLoader thread, i.e. when javax.faces.FactoryFinder#setFactory(..) is invoked getClassLoader() returns EAR BaseClassLoader
2. A servlet thread (which cause exception) tries to look FactoryManager but his current classloader ( Thread.currentThread().getContextClassLoader()) is WebCtxLoader.ENCLoader. So nothing is returned and exception is thrown.
我检查了 JBoss 5.1.0 并确保 FactoryManager 的初始化和访问是在具有相同类加载器的线程中进行的。
我试图用谷歌搜索,但没有找到很多关于任何有同样问题的人的信息——这让我觉得我的环境有问题。
有人可以对此发表评论或提供帮助吗?