我正在使用
问题是我正面临 javax.el.PropertyNotFoundException 我已经尝试/搜索了所有我可以从forums / help-sections / etc中找到的东西，但我无法理解我在哪里错误的指导。以下是我的例外详情
javax.el.PropertyNotFoundException: section-panel.xhtml @99,91 rendered="#{sectionBean.editable}": Property 'editable' not found on type com.example.timeline.backingbeans.SectionBackingBean
at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:111)
at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:193)
at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:422)
at javax.faces.component.UIData.iterate(UIData.java:1495)
at javax.faces.component.UIData.processDecodes(UIData.java:983)
at javax.faces.component.UIForm.processDecodes(UIForm.java:216)
at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1048)
at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:926)
at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:508)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
我的网页
<h:dataTable styleClass="table table-striped" var="sectionBean"
value="#{sectionBackingBean.listSectionDTO}" rendered="#{sectionBackingBean.visible}">
<h:column>
<f:facet name="header">
<h:outputText value="Section Id" />
</f:facet>
<h:outputText value="#{sectionBean.sectionId}" />
</h:column>
<h:column>
<f:facet name="header">
<h:outputText value="Name" />
</f:facet>
<!-- <h:outputText value="#{sectionBean.name}" />
<h:inputText value="#{sectionBean.name}" /> -->
<h:outputText value="#{sectionBean.name}" rendered="#{sectionBean.editable}"/>
<h:inputText value="#{sectionBean.name}" rendered="#{sectionBean.editable}"/>
</h:column>
<h:column>
<f:facet name="header">
<h:outputText value="Modify" />
</f:facet>
<h:commandLink value="Update" />
<h:outputLabel value="  " />
<h:commandLink value="Delete" />
</h:column>
</h:dataTable>
我的支持bean是
package com.example.timeline.backingbeans;
import java.util.ArrayList;
import java.util.List;
import javax.faces.component.UICommand;
import javax.faces.component.UIInput;
import com.example.timeline.controller.ControllerMapsOperations;
import com.example.timeline.dto.SectionDTO;
import com.example.timeline.dto.StatusDTO;
import com.example.timeline.utils.GCTimlineConstants;
public class SectionBackingBean extends SectionDTO {
private final static String _FORM_ADD_SECTION = "form-add-section";
private StatusBackingBean statusBackingBean;
private UICommand commandLink;
private UIInput inputText;
private ControllerMapsOperations controllerMapsOperations = null;
private List<SectionBackingBean> listSectionDTO = null;
private boolean isVisible;
private boolean editable;
public boolean isEditable() {
return editable;
}
public void setEditable(boolean editable) {
this.editable = editable;
}
public UIInput getInputText() {
return inputText;
}
public void setInputText(UIInput inputText) {
this.inputText = inputText;
}
public SectionBackingBean() {
// super();
listSectionDTO = new ArrayList<>();
super.setStatusDTO(new StatusDTO());
statusBackingBean = new StatusBackingBean();
controllerMapsOperations = new ControllerMapsOperations();
}
public List<SectionBackingBean> getListSectionDTO() {
return listSectionDTO = controllerMapsOperations.getAllSections();
}
public void setListSectionDTO(List<SectionBackingBean> listSectionDTO) {
this.listSectionDTO = listSectionDTO;
}
public StatusBackingBean getStatusBackingBean() {
return statusBackingBean;
}
public void setStatusBackingBean(StatusBackingBean statusBackingBean) {
this.statusBackingBean = statusBackingBean;
}
public void setControllerMapsOperations(
ControllerMapsOperations controllerMapsOperations) {
this.controllerMapsOperations = controllerMapsOperations;
}
public UICommand getCommandLink() {
return commandLink;
}
public void setCommandLink(UICommand commandLink) {
this.commandLink = commandLink;
}
public boolean isVisible() {
return isVisible;
}
@SuppressWarnings("deprecation")
public String setVisible(boolean isVisible) {
this.isVisible = isVisible;
if (this.isVisible == Boolean.TRUE) {
// MethodBinding mb =
// FacesContext.getCurrentInstance().getApplication().createMethodBinding("#{sectionBackingBean.setVisible(false)}",
// new Class[0]);
// commandLink.setValue("Hide Section");
// commandLink.setAction(mb);
// commandLink.setRendered(true);
}
return null;
}
public ControllerMapsOperations getControllerMapsOperations() {
return controllerMapsOperations;
}
public List<SectionBackingBean> selectAllSectionDetails() {
return controllerMapsOperations.getAllSections();
}
public String navigate() {
return "add-section";
}
public String addSection() {
if ((getName() == null) || getName().equalsIgnoreCase("")) {
GCTimlineConstants.getErrorMessage(_FORM_ADD_SECTION,
"Can't leave fields empty!");
return "failure";
} else {
ControllerMapsOperations controllerMapsOperations = new ControllerMapsOperations();
try {
if (controllerMapsOperations.addSection(this.getName(), this
.getStatusDTO().getStatusId()) == Boolean.TRUE) {
GCTimlineConstants.getInfoMessage(_FORM_ADD_SECTION,
"Section added successfully!");
inputText.setValue("");
return "success";
} else {
GCTimlineConstants.getErrorMessage(_FORM_ADD_SECTION,
"Can't add. Try later!");
return "failure";
}
} catch (Exception ex) {
GCTimlineConstants.getErrorMessage(_FORM_ADD_SECTION,
ex.getMessage());
return "failure";
}
}
}
// public String updateAction(SectionBackingBean sectionBackingBean){
// sectionBackingBean.setEditable(Boolean.TRUE);
// return null;
// }
}
my faces-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<faces-config xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
version="2.0">
<managed-bean>
<managed-bean-name>sectionBackingBean</managed-bean-name>
<managed-bean-class>com.example.timeline.backingbeans.SectionBackingBean</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
<managed-bean>
<managed-bean-name>loginBackingBean</managed-bean-name>
<managed-bean-class>com.example.timeline.backingbeans.LoginBackingBean</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
</faces-config>