我在群集环境的 websphere 8.5 上使用 javax.faces-2.2.9.jar ，在我的web.xml中，我有<distributable />标签以及 ClientSideSecretKey ：
<env-entry>
<env-entry-name>jsf/ClientSideSecretKey</env-entry-name>
<env-entry-type>java.lang.String</env-entry-type>
<env-entry-value>somekeyhere</env-entry-value>
</env-entry>
我正在使用 jboss-el-2.0.0.GA.jar ：
<context-param>
<param-name>com.sun.faces.expressionFactory</param-name>
<param-value>org.jboss.el.ExpressionFactoryImpl</param-value>
</context-param>
1-我的会话bean：
import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;
@ManagedBean(name = "mySessionBean")
@SessionScoped
public class UserBean {
}
2-我的视图bean：
@ManagedBean(name = "myViewBean")
@ViewScoped
public class MyViewBean {
@ManagedProperty(value = "#{mySessionBean}")
private MySessionBean mySessionBean;
}
我的应用程序在大多数情况下都可以正常运行，但是有时我在日志文件中看到以下不知道其原因的异常：
Unable to set property mySessionBean for managed bean myViewBean com.sun.faces.mgbean.ManagedBeanCreationException: Unable to set property mySessionBean for managed bean myViewBean
at com.sun.faces.mgbean.ManagedBeanBuilder$BakedBeanProperty.set(Unknown Source)
at com.sun.faces.mgbean.ManagedBeanBuilder.buildBean(Unknown Source)
at com.sun.faces.mgbean.BeanBuilder.build(Unknown Source)
at com.sun.faces.mgbean.BeanManager.createAndPush(Unknown Source)
at com.sun.faces.mgbean.BeanManager.create(Unknown Source)
at com.sun.faces.el.ManagedBeanELResolver.resolveBean(Unknown Source)
at com.sun.faces.el.ManagedBeanELResolver.getValue(Unknown Source)
at com.sun.faces.el.DemuxCompositeELResolver._getValue(Unknown Source)
at com.sun.faces.el.DemuxCompositeELResolver.getValue(Unknown Source)
at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
at org.jboss.el.parser.AstValue.getTarget(AstValue.java:34)
at org.jboss.el.parser.AstValue.invoke(AstValue.java:95)
at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(Unknown Source)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(Unknown Source)
at com.sun.faces.application.ActionListenerImpl.processAction(Unknown Source)
at org.primefaces.application.DialogActionListener.processAction(DialogActionListener.java:45)
at javax.faces.component.UIViewAction.broadcast(Unknown Source)
at javax.faces.component.UIViewRoot.broadcastEvents(Unknown Source)
at javax.faces.component.UIViewRoot.processApplication(Unknown Source)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(Unknown Source)
at com.sun.faces.lifecycle.Phase.doPhase(Unknown Source)
at com.sun.faces.lifecycle.LifecycleImpl.execute(Unknown Source)
at javax.faces.webapp.FacesServlet.service(Unknown Source)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1230)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:779)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478)
at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.invokeTarget(WebAppFilterChain.java:136)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:97)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:100)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.filenet.ae.toolkit.server.servlet.filter.PostprocessorFilter.doFilter(PostprocessorFilter.java:38)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.filenet.ae.toolkit.server.servlet.filter.ContainerBasedFilter.doFilter(ContainerBasedFilter.java:218)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.filenet.ae.toolkit.server.servlet.filter.PreprocessorFilter.doFilter(PreprocessorFilter.java:91)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.filenet.ae.toolkit.server.servlet.filter.SecurityPluginFilter.doFilter(SecurityPluginFilter.java:202)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.filenet.ae.toolkit.server.servlet.filter.ThreadLocalCleanupFilter.doFilter(ThreadLocalCleanupFilter.java:50)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at gov.myapp.web.filter.CoordinatorSecurityFilter.doFilter(CoordinatorSecurityFilter.java:150)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.dataserve.common.CompatibleFilter.doFilter(CompatibleFilter.java:53)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:964)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1104)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3901)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:304)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:981)
at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1662)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:200)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:463)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:530)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:316)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:287)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)
at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1865)
Caused by: java.lang.NullPointerException
at com.sun.faces.el.ELUtils.coerce(Unknown Source)
at com.sun.faces.mgbean.BeanBuilder$Expression.evaluate(Unknown Source)
... 75 more
[10/25/18 18:19:20:341 AST] 00000243 PrimeExceptio E <Null Message>
java.lang.NullPointerException
at com.sun.faces.el.ELUtils.coerce(Unknown Source)
at com.sun.faces.mgbean.BeanBuilder$Expression.evaluate(Unknown Source)
at com.sun.faces.mgbean.ManagedBeanBuilder$BakedBeanProperty.set(Unknown Source)
at com.sun.faces.mgbean.ManagedBeanBuilder.buildBean(Unknown Source)
at com.sun.faces.mgbean.BeanBuilder.build(Unknown Source)
at com.sun.faces.mgbean.BeanManager.createAndPush(Unknown Source)
at com.sun.faces.mgbean.BeanManager.create(Unknown Source)
at com.sun.faces.el.ManagedBeanELResolver.resolveBean(Unknown Source)
at com.sun.faces.el.ManagedBeanELResolver.getValue(Unknown Source)
at com.sun.faces.el.DemuxCompositeELResolver._getValue(Unknown Source)
at com.sun.faces.el.DemuxCompositeELResolver.getValue(Unknown Source)
at org.jboss.el.parser.AstIdentifier.getValue(AstIdentifier.java:44)
at org.jboss.el.parser.AstValue.getTarget(AstValue.java:34)
at org.jboss.el.parser.AstValue.invoke(AstValue.java:95)
at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(Unknown Source)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(Unknown Source)
at com.sun.faces.application.ActionListenerImpl.processAction(Unknown Source)
at org.primefaces.application.DialogActionListener.processAction(DialogActionListener.java:45)
at javax.faces.component.UIViewAction.broadcast(Unknown Source)
at javax.faces.component.UIViewRoot.broadcastEvents(Unknown Source)
at javax.faces.component.UIViewRoot.processApplication(Unknown Source)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(Unknown Source)
at com.sun.faces.lifecycle.Phase.doPhase(Unknown Source)
at com.sun.faces.lifecycle.LifecycleImpl.execute(Unknown Source)
at javax.faces.webapp.FacesServlet.service(Unknown Source)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1230)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:779)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:478)
at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.invokeTarget(WebAppFilterChain.java:136)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:97)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:100)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.filenet.ae.toolkit.server.servlet.filter.PostprocessorFilter.doFilter(PostprocessorFilter.java:38)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.filenet.ae.toolkit.server.servlet.filter.ContainerBasedFilter.doFilter(ContainerBasedFilter.java:218)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.filenet.ae.toolkit.server.servlet.filter.PreprocessorFilter.doFilter(PreprocessorFilter.java:91)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.filenet.ae.toolkit.server.servlet.filter.SecurityPluginFilter.doFilter(SecurityPluginFilter.java:202)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.filenet.ae.toolkit.server.servlet.filter.ThreadLocalCleanupFilter.doFilter(ThreadLocalCleanupFilter.java:50)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at gov.myapp.web.filter.CoordinatorSecurityFilter.doFilter(CoordinatorSecurityFilter.java:150)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.dataserve.common.CompatibleFilter.doFilter(CompatibleFilter.java:53)
at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:964)
at com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1104)
at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3901)
at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:304)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:981)
at com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1662)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:200)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:463)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:530)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:316)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:287)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214)
at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113)
at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:175)
at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1865)
我想知道这是错误还是配置错误，或者由于会话过期而正常吗？