javax.el.PropertyNotFoundException: Target Unreachable, identifier 'user' resolved to null
at com.sun.el.parser.AstValue.getTarget(Unknown Source)
at com.sun.el.parser.AstValue.getType(Unknown Source)
at com.sun.el.ValueExpressionImpl.getType(Unknown Source)
at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:92)
at javax.faces.component.UIInput.getConvertedValue(UIInput.java:942)
at javax.faces.component.UIInput.validate(UIInput.java:868)
at javax.faces.component.UIInput.executeValidate(UIInput.java:1072)
at javax.faces.component.UIInput.processValidators(UIInput.java:672)
at javax.faces.component.UIForm.processValidators(UIForm.java:235)
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:700)
at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at com.sun.el.parser.AstValue.getTarget(Unknown Source)
at com.sun.el.parser.AstValue.getType(Unknown Source)
at com.sun.el.ValueExpressionImpl.getType(Unknown Source)
at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getConvertedValue(HtmlBasicInputRenderer.java:92)
at javax.faces.component.UIInput.getConvertedValue(UIInput.java:942)
at javax.faces.component.UIInput.validate(UIInput.java:868)
at javax.faces.component.UIInput.executeValidate(UIInput.java:1072)
at javax.faces.component.UIInput.processValidators(UIInput.java:672)
at javax.faces.component.UIForm.processValidators(UIForm.java:235)
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1058)
at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:700)
at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
lz用的jsf吧。你的el表达式报错说,属性没找到。你检查一下你的backbean