我的JSF页面中随机出现重复ID错误,并且在所有实例中,重复的ID都是自动生成的ID(如j_id15)。自动生成的JSF组件ID中存在重复的ID
我没有在页面中指定的ID的任何重复。这个问题并不一致,我的意思是,页面视图可以抛出重复的ID错误,并且下一次我发送同一页面的请求时,它运行得很好,没有任何错误。这不是特定于单个页面,我在我的项目中有不同的页面,具有相同的问题。
问题开始从MyFaces的2.0.5升级到2.0.14的MyFaces(最新的2.0.x版本)
这是MyFaces实现中的错误后显示?或者我做错了什么?
堆栈跟踪如下所示:
Caused by: java.lang.IllegalStateException: Client-id : j_id15 is duplicated in the faces tree. Component : posSelectionFrm:posSelSubview_first:posHasAccessTable:j_id15, path: ...[Class: javax.faces.component.UINamingContainer,Id: posSelSubview_first][Class: javax.faces.component.html.HtmlDataTable,Id: posHasAccessTable][Class: javax.faces.component.UIColumn,Id: titleColumn2][Class: com.sun.facelets.compiler.UIInstructions,Id: j_id15]}
at org.apache.myfaces.application.StateManagerImpl.checkForDuplicateIds(StateManagerImpl.java:280)
at org.apache.myfaces.application.StateManagerImpl.checkForDuplicateIds(StateManagerImpl.java:302)
at org.apache.myfaces.application.StateManagerImpl.checkForDuplicateIds(StateManagerImpl.java:302)
at org.apache.myfaces.application.StateManagerImpl.checkForDuplicateIds(StateManagerImpl.java:302)
at org.apache.myfaces.application.StateManagerImpl.checkForDuplicateIds(StateManagerImpl.java:302)
at org.apache.myfaces.application.StateManagerImpl.checkForDuplicateIds(StateManagerImpl.java:302)
at org.apache.myfaces.application.StateManagerImpl.checkForDuplicateIds(StateManagerImpl.java:302)
at org.apache.myfaces.application.StateManagerImpl.checkForDuplicateIds(StateManagerImpl.java:302)
at org.apache.myfaces.application.StateManagerImpl.checkForDuplicateIds(StateManagerImpl.java:302)
at org.apache.myfaces.application.StateManagerImpl.checkForDuplicateIds(StateManagerImpl.java:302)
at org.apache.myfaces.application.StateManagerImpl.saveView(StateManagerImpl.java:220)
at javax.faces.application.StateManager.saveSerializedView(StateManager.java:113)
at javax.faces.application.StateManagerWrapper.saveSerializedView(StateManagerWrapper.java:41)
at com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:617)
at org.ajax4jsf.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:100)
at org.ajax4jsf.application.AjaxViewHandler.renderView(AjaxViewHandler.java:176)
at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:116)
at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:239)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:191)
... 71 more
而且,我实现了MyFaces的是不应该重复检查由默认的自动生成的ID。但是,为了确保,我在web.xml中定义如下设置:
<context-param>
<param-name>javax.faces.PROJECT_STAGE</param-name>
<param-value>Production</param-value>
</context-param>
<context-param>
<param-name>org.apache.myfaces.CHECK_ID_PRODUCTION_MODE</param-name>
<param-value>false</param-value>
</context-param>
但问题仍然存在。
该项目使用运行在Tomcat 6.0上的Apache MyFaces 2.0.14,Facelets 1.1.15,RichFaces 3.3.3.Final。
您最好为您在页面中使用的所有组件提供id。 – 2018-02-08 03:21:14