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我想用Map<String, List<Object>>
为依托属性丰富:选择列表如下:地图为后盾,属性丰富:PICKLIST
<ui:repeat value="#{bean.selectedMap.entrySet" var="entry"} >
<rich:pickList value="#{entry.value}" var="list" >
<f:selectItems value="#{bean.getAll}" />
<f:converter converterId="myBeanConverter" />
</rich:pickList>
</ui:repeat>
支持bean:
public class MyBean {
private Map<String, List<String>> myList;
...
getters/setters for myList
}
问题是我仍然得到这个例外:
15:19:16,583 SEVERE [info.fingo.salutor.exception.CustomExceptionHandler] (http--127.0.0.1-8080-4) Critical Exception!: javax.faces.FacesException: ModelType (class java.lang.Object) must be either an Array, or a Collection
at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:84) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) [jsf-impl-2.1.7-jbossorg-2.jar:]
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
Caused by: javax.faces.FacesException: ModelType (class java.lang.Object) must be either an Array, or a Collection
at org.richfaces.renderkit.SelectManyHelper.getConvertedValue(SelectManyHelper.java:332) [richfaces-components-ui-4.2.2.Final.jar:4.2.2.Final]
at org.richfaces.renderkit.SelectManyRendererBase.getConvertedValue(SelectManyRendererBase.java:108) [richfaces-components-ui-4.2.2.Final.jar:4.2.2.Final]
at javax.faces.component.UIInput.getConvertedValue(UIInput.java:1030) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIInput.validate(UIInput.java:960) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIInput.executeValidate(UIInput.java:1233) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIInput.processValidators(UIInput.java:698) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at com.sun.faces.facelets.component.UIRepeat.process(UIRepeat.java:532) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.facelets.component.UIRepeat.processValidators(UIRepeat.java:766) [jsf-impl-2.1.7-jbossorg-2.jar:]
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIForm.processValidators(UIForm.java:253) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIComponentBase.processValidators(UIComponentBase.java:1214) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at javax.faces.component.UIViewRoot.processValidators(UIViewRoot.java:1172) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at com.sun.faces.lifecycle.ProcessValidationsPhase.execute(ProcessValidationsPhase.java:76) [jsf-impl-2.1.7-jbossorg-2.jar:]
... 39 more
任何人都知道它是怎么回事?
事实上,我有一个工厂方法: @Factory(值= “entrySetList”,范围= ScopeType.EVENT,AUTOCREATE =真) \t公开名单<条目<字符串,字符串[] >> getEntrySetAsList(){。 ..} 返回列表而不是set。在重新输入真正的代码给有问题的代码时,表达式在这里并没有被我的错误所封闭。所以你提到的两个问题都不是重点。但是,但是,感谢您的考虑! –
如果你实际上有一个'List',为什么你要求一个'Map'解决方案? – skuntsel
我不确定我是否理解你的问题。我有一个地图条目列表。建模菜单(键)和分配给该菜单的页面列表需要使用地图。 –