JavaJSF2。0@EJB注入@ViewScoped导致MyFaces成为CFNE

2 年，1 月 Questions & Answers 542

我在TomEE中运行一个JSF项目。我把它升级到MyFace 2.1.8。我使用Oracle JVM 1.7.04在OSX上运行一切

因此，我有一个可视范围的ManagedBean：

@ManagedBean
@ViewScoped
public class BlogMB implements Serializable {
    private static final long serialVersionUID = 1L;
    @EJB
    private CategoryService categoryService;
}

以下是查看代码：

<h:commandLink value="#{category.name}">
    <f:setPropertyActionListener
        target="#{blogMB.selectedCategory}"
        value="#{category}" />
    <f:ajax
        listener="#{blogMB.filterPostsByCategory()}"
        execute="@this"
        render=":blogPosts" />
</h:commandLink>

结果将显示此堆栈跟踪。到底发生了什么事？我知道它需要反序列化句柄，但为什么它在类路径上查找我的服务类时会遇到困难呢

Jul 06, 2012 8:25:51 PM org.apache.myfaces.renderkit.ServerSideStateCacheImpl deserializeView
SEVERE: Exiting deserializeView - Could not deserialize state: com.xxx.blog.service.CategoryService
java.lang.ClassNotFoundException: com.xxx.blog.service.CategoryService
    at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    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:264)
    at java.io.ObjectInputStream.resolveProxyClass(ObjectInputStream.java:694)
    at java.io.ObjectInputStream.readProxyDesc(ObjectInputStream.java:1549)
    at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1511)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
    at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
    at java.util.HashMap.readObject(HashMap.java:1043)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1004)
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
    at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1685)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1341)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
    at java.util.HashMap.readObject(HashMap.java:1043)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1004)
    at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1866)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
    at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1685)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1341)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
    at org.apache.myfaces.renderkit.ServerSideStateCacheImpl.deserializeView(ServerSideStateCacheImpl.java:497)
    at org.apache.myfaces.renderkit.ServerSideStateCacheImpl.getSerializedViewFromServletSession(ServerSideStateCacheImpl.java:289)
    at org.apache.myfaces.renderkit.ServerSideStateCacheImpl.restoreSerializedView(ServerSideStateCacheImpl.java:891)
    at org.apache.myfaces.renderkit.html.HtmlResponseStateManager.getState(HtmlResponseStateManager.java:205)
    at org.apache.myfaces.view.facelets.DefaultFaceletsStateManagementStrategy.restoreView(DefaultFaceletsStateManagementStrategy.java:207)
    at org.apache.myfaces.application.StateManagerImpl.restoreView(StateManagerImpl.java:130)
    at org.apache.myfaces.shared.view.ViewDeclarationLanguageBase.restoreView(ViewDeclarationLanguageBase.java:106)
    at org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage.restoreView(FaceletViewDeclarationLanguage.java:2109)
    at org.apache.myfaces.application.ViewHandlerImpl.restoreView(ViewHandlerImpl.java:300)
    at com.ocpsoft.pretty.faces.application.PrettyViewHandler.restoreView(PrettyViewHandler.java:109)
    at javax.faces.application.ViewHandlerWrapper.restoreView(ViewHandlerWrapper.java:83)
    at org.apache.myfaces.lifecycle.RestoreViewExecutor.execute(RestoreViewExecutor.java:127)
    at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:170)
    at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at com.ocpsoft.pretty.PrettyFilter.doFilter(PrettyFilter.java:145)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.omnifaces.filter.GzipResponseFilter.doFilter(GzipResponseFilter.java:147)
    at org.omnifaces.filter.HttpFilter.doFilter(HttpFilter.java:75)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
    at org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:44)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:999)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:565)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
    at java.lang.Thread.run(Thread.java:722)

编辑更新：

记录的票证https://issues.apache.org/jira/browse/MYFACES-3581

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JavaJSF2。0@EJB注入@ViewScoped导致MyFaces成为CFNE

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