我正在尝试在外部服务器上运行 j2EE 项目。项目是在 NetBeans (6.7.1) 中制作的,当我从那里运行它时,一切都很顺利(我在 GlassFish v3 服务器上运行它)。但是当我从 asadmin 脚本运行 GlassFish 并向他提供我的项目的 war 文件时,它返回异常:
Exception Details: javax.el.PropertyNotFoundException
Target Unreachable, identifier 'loginBean' resolved to null
我一直在寻找答案,但没有任何帮助。我错过了 Netbeans 在 GlassFish 配置中放置的某些内容吗?
关于我发现的最常见的问题:
- LoginBean 声明于
faces-config.xml
- 我已经在我的上设置了会话范围
loginBean
- 我没有
@ManagedBean()
in LoginBean.java
,但我使用JSF1.2,而不是2.0
- 我在某个地方发现这可能是因为两者
myfaces.jar
和sun的jsf,但我先删除了,错误仍然出现。
- 我试图把
javaee.jar
in glassfish/lib
目录(他们在一本书中这样写)
编辑:也许堆栈跟踪将被处理:
com.sun.el.parser.AstValue.getTarget(AstValue.java:84)
com.sun.el.parser.AstValue.getType(AstValue.java:69)
com.sun.el.ValueExpressionImpl.getType(ValueExpressionImpl.java:194)
com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:92)
javax.faces.component.UIInput.getConvertedValue(UIInput.java:942)
javax.faces.component.UIInput.validate(UIInput.java:868)
javax.faces.component.UIInput.executeValidate(UIInput.java:1072)
javax.faces.component.UIInput.processValidators(UIInput.java:672)
javax.faces.component.UIForm.processValidators(UIForm.java:235)
javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:700)
com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:431)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:337)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:218)
DomainModels.Adds.UploadFilter.doFilter(UploadFilter.java:63)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:250)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:218)
org.apache.catalina.core.StandardWrapperValve.preInvoke(StandardWrapperValve.java:460)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:139)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:186)
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:719)
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:657)
com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:96)
com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:98)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:187)
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:719)
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:657)
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:651)
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1030)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:142)
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:719)
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:657)
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:651)
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1030)
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:242)
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:180)
com.sun.grizzly.http.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:633)
com.sun.grizzly.http.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:570)
com.sun.grizzly.http.DefaultProcessorTask.process(DefaultProcessorTask.java:827)
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:152)
com.sun.enterprise.v3.services.impl.GlassfishProtocolChain.executeProtocolFilter(GlassfishProtocolChain.java:71)
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:103)
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:89)
com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:67)
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:56)
com.sun.grizzly.util.WorkerThreadImpl.processTask(WorkerThreadImpl.java:325)
com.sun.grizzly.util.WorkerThreadImpl.run(WorkerThreadImpl.java:184)
就我而言,原因完全不同。
我复制了一个包含serialVersionUID字段的类:
private static final long serialVersionUID = 5443351151396868724L;
所以我有两个不同的类和对象具有相同的serialVersionUID,这就是问题的线索。
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