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Question
every time if an error occurs, I get the following error message in the error page.
This is my page.xhtml :
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:ui="http://java.sun.com/jsf/facelets"
xmlns:p="http://primefaces.org/ui">
<f:view contentType="text/html">
<h:head>
<f:facet name="first">
<meta http-equiv="X-UA-Compatible" content="EmulateIE8" />
<meta content='text/html; charset=UTF-8' http-equiv="Content-Type"/>
<title>Esprit4Olap</title>
</f:facet>
<link type="text/css" rel="stylesheet" href="#{request.contextPath}/css/default.css" />
<link type="text/css" rel="stylesheet" href="#{request.contextPath}/css/syntaxhighlighter/syntaxhighlighter.css" />
<style type="text/css">
.nestedUnit {
border:0px none !important;
}
.ui-layout-center .ui-layout-resizer {
border:1px solid #A8A8A8 !important;
}
.ui-tree-item span {
float:left !important;
}
.ui-tree {
border:0px none !important;
}
.ui-tabs {
border:0px none !important;
}
</style>
</h:head>
<h:body>
<p:layoutUnit position="west" size="200" resizable="true" collapsible="true" header="TreeNode">
<h:form>
<p:tree value="#{SchemaMan.shemaBoxses}" var="SchemaMan" selectionMode="Singel" selection="#{SchemaMan.shemaBoxse}" style="width:170px">
<p:treeNode icon="ui-icon-mail-closed">
<h:outputText value="SchemaMan"/>
</p:treeNode>
<p:treeNode type="i" icon="ui-icon-mail-closed">
<h:outputText value="SchemaMan"/>
</p:treeNode>
<p:treeNode type="s" icon="ui-icon-transfer-e-w">
<h:outputText value="SchemaMan"/>
</p:treeNode>
<p:treeNode type="t" icon="ui-icon-trash">
<h:outputText value="SchemaMan"/>
</p:treeNode>
<p:treeNode type="j" icon="ui-icon-alert">
<h:outputText value="SchemaMan"/>
</p:treeNode>
</p:tree>
</h:form>
</p:layoutUnit>
<p:layoutUnit position="center">
<p:layout>
<p:layoutUnit position="north" size="50%" resizable="true" styleClass="nestedUnit">
<p:tabView>
<p:tab title="Schema">
<h:form>
<p:panelGrid columns="2">
<p:inputText id="Schemaname" required="true" label="SchemaName" size="40" value="#{SchemaMan.nameSchema}" />
<p:inputText id="DescSchema" required="true" label="DescSchema" size="40" value="#{SchemaMan.descSchema}" />
<p:inputText id="RoleSchema" required="true" label="RoleSchema" size="40" value="#{SchemaMan.roleSchema}" />
<p:inputText id="CaptionSchema" required="true" label="CaptionSchema" size="40" value="#{SchemaMan.captionSchema}" />
</p:panelGrid>
<p:commandButton value="Add" type="button" ></p:commandButton>
</h:form>
</p:tab>
</p:tabView>
</p:layoutUnit>
</p:layout>
</p:layoutUnit>
</h:body>
</f:view>
</html>
The error itself, however, is not related to javax.faces.component.UIOutput. It can be just any error in one of the managed beans. and i got this erros exception:
javax.servlet.ServletException: javax.faces.component.UIOutput cannot be cast to org.primefaces.component.layout.Layout
javax.faces.webapp.FacesServlet.service(FacesServlet.java:606)
Any help is appreciated.
Thanks,
i make it like you told me :
<h:body>
<p:layout>
<p:layoutUnit position="west" size="200" resizable="true" collapsible="true" header="TreeNode">
<h:form>
<p:tree value="#{SchemaMan.shemaBoxses}" var="SchemaMan" selectionMode="Singel" selection="#{SchemaMan.shemaBoxse}" style="width:170px">
<p:treeNode icon="ui-icon-mail-closed">
<h:outputText value="SchemaMan"/>
</p:treeNode>
<p:treeNode type="i" icon="ui-icon-mail-closed">
<h:outputText value="SchemaMan"/>
</p:treeNode>
<p:treeNode type="s" icon="ui-icon-transfer-e-w">
<h:outputText value="SchemaMan"/>
</p:treeNode>
<p:treeNode type="t" icon="ui-icon-trash">
<h:outputText value="SchemaMan"/>
</p:treeNode>
<p:treeNode type="j" icon="ui-icon-alert">
<h:outputText value="SchemaMan"/>
</p:treeNode>
</p:tree>
</h:form>
</p:layoutUnit>
</p:layout>
<p:layout>
<p:layoutUnit position="center">
<p:layoutUnit position="north" size="50%" resizable="true" styleClass="nestedUnit">
<p:tabView>
<p:tab title="Schema">
<h:form>
<p:panelGrid columns="2">
<p:inputText id="Schemaname" required="true" label="SchemaName" size="40" value="#{SchemaMan.nameSchema}" />
<p:inputText id="DescSchema" required="true" label="DescSchema" size="40" value="#{SchemaMan.descSchema}" />
<p:inputText id="RoleSchema" required="true" label="RoleSchema" size="40" value="#{SchemaMan.roleSchema}" />
<p:inputText id="CaptionSchema" required="true" label="CaptionSchema" size="40" value="#{SchemaMan.captionSchema}" />
</p:panelGrid>
<p:commandButton value="Add" type="button" ></p:commandButton>
</h:form>
</p:tab>
</p:tabView>
</p:layoutUnit>
</p:layoutUnit>
</p:layout>
</h:body>
but i get this exception now : exception
javax.servlet.ServletException: JBAS011048: Failed to construct component instance javax.faces.webapp.FacesServlet.service(FacesServlet.java:606) !!
1 answers
solution1
0 ACCPTED 2014-06-18 01:53:50
You have two p:layout ? Every p:layoutUnit should be inside a whole p:layout . Take into account that you can nest a p:layout inside a p:layoutUnit to make more complex layouts (and of course, every p:layout HAS to have a p:layoutUnit position="center" :
<p:layout>
<p:layoutUnit position="west" size="200">
...
</p:layoutUnit>
<p:layoutUnit position="center">
<p:layout>
<p:layoutUnit position="north" size="100">
...
</p:layoutUnit>
<p:layoutUnit position="center">
...
</p:layoutUnit>
</p:layout>
</p:layoutUnit>
...
</p:layout>
Remember that if you use ap:layout for your whole page, you might be better off with p:layout fullPage="true" . Cheers!
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