Hello,
I am trying to model a 3 level complex content type of a "quiz" that
can have multiple questions and each question can have multiple
answers with one of the answers being correct. When I try editing a
document of type quiz, I get a big stack trace that says it was
caused by a NPE. Here is the trace:
org.apache.cocoon.ProcessingException: Failed to process pipeline at
<map:serialize type="html"> - file:/opt/local/hippo/hippo-cms-
v6.04.02/cocoon/../sites/hippo-cms/editing/cf2/sitemap.xmap:500:36 at
<map:transform type="i18n"> - file:/opt/local/hippo/hippo-cms-
v6.04.02/cocoon/../sites/hippo-cms/editing/cf2/sitemap.xmap:496:35 at
<map:transform> - file:/opt/local/hippo/hippo-cms-v6.04.02/cocoon/../
sites/hippo-cms/editing/cf2/sitemap.xmap:491:70 at <map:transform> -
file:/opt/local/hippo/hippo-cms-v6.04.02/cocoon/../sites/hippo-cms/
editing/cf2/sitemap.xmap:490:54 at <map:transform type="i18n"> -
file:/opt/local/hippo/hippo-cms-v6.04.02/cocoon/../sites/hippo-cms/
editing/cf2/sitemap.xmap:487:55 at <map:transform type="forms"> -
file:/opt/local/hippo/hippo-cms-v6.04.02/cocoon/../sites/hippo-cms/
editing/cf2/sitemap.xmap:484:36 at file:/opt/local/hippo/hippo-cms-
v6.04.02/cocoon/../sites/hippo-cms/editing/cf2/flow/HippoForm.js:
158:-1 at file:/opt/local/hippo/hippo-cms-v6.04.02/cocoon/../sites/
hippo-cms/editing/cf2/flow/flow.js:96:-1 at file:/opt/local/hippo/
hippo-cms-v6.04.02/cocoon/../sites/hippo-cms/editing/cf2/flow/
HippoForm.js:308:-1 at <map:call> - file:/opt/local/hippo/hippo-cms-
v6.04.02/cocoon/../sites/hippo-cms/editing/cf2/sitemap.xmap:508:41 at
<map:mount> - file:/opt/local/hippo/hippo-cms-v6.04.02/cocoon/../
sites/hippo-cms/editing/sitemap.xmap:42:62 at <map:mount> - file:/opt/
local/hippo/hippo-cms-v6.04.02/cocoon/../sites/hippo-cms/sitemap.xmap:
338:54 at <map:mount> - file:/opt/local/hippo/hippo-cms-v6.04.02/
cocoon/sitemap.xmap:127:59
Now, after tweaking some more, the edit form is blank but I can still
get the stack traces from the source.
I checked http://localhost:50000/editing/cf2/validity-test/index and
it appeared to check out OK.
What log files should I be looking in to diagnose these issues? I
have a feeling that the issue is in the nesting of groups is my
layout.xml file:
<group type="container">
<macro-call id="repeater-header">
<param name="path">/root/questions/question</param>
</macro-call>
<display id="/root/questions/question"/>
<group type="container">
<macro-call id="repeater-header">
<param name="path">/root/questions/question/answers/
answer</param>
</macro-call>
<display id="/root/questions/question/answers/answer"/>
</group>
</group>
See below for a full listing from all the files.
Thanks,
Seth
========================
quiz.xml
========================
<root>
<title/>
<alttitle> </alttitle>
<url> </url>
<body> </body>
<questions>
<question>
<questionBody/>
<questionExplanation/>
<answers>
<answer>
<answerBody/>
<correct/>
</answer>
</answers>
</question>
</questions>
</root>
========================
quiz.xsd
========================
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";>
<xs:element name="root">
<xs:complexType>
<xs:sequence>
<xs:element name="title" type="xs:string"/>
<xs:element name="alttitle" type="xs:string"/>
<xs:element name="url" type="xs:string"/>
<xs:element name="body" type="xs:string"/>
<xs:element name="keywords">
<xs:simpleType>
<xs:restriction base="xs:string">
<xs:enumeration value="Zygotes"/>
<xs:enumeration value="Babies"/>
<xs:enumeration value="Kids"/>
<xs:enumeration value="Teenagers"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
<xs:element name="picture" type="xs:string"/>
<xs:element name="questions">
<xs:complexType>
<xs:sequence>
<xs:element name="question" minOccurs="1"
maxOccurs="unbounded">
<xs:complexType>
<xs:sequence>
<xs:element name="questionBody" type="xs:string"/>
<xs:element name="questionExplanation"
type="xs:string"/>
<xs:element name="answers">
<xs:complexType>
<xs:sequence>
<xs:element name="answer" minOccurs="1"
maxOccurs="unbounded">
<xs:complexType>
<xs:sequence>
<xs:element name="answerBody"
type="xs:string"/>
<xs:element name="correct"
type="xs:boolean"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
========================
layout.xml
========================
<layout xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:noNamespaceSchemaLocation="http://repository.hippocms.org/
schemas/cms-6.04/editor/layout.xsd">
<template name="/">
<messagewidget class="demoMessages"/>
<validationwidget class="demoValidationMessages"/>
<group type="columns">
<textfield id="/root/title"/>
<textfield id="/root/alttitle"/>
<selectgroup id="/root/keywords"/>
<textfield id="/root/url"/>
<picturepreview id="/root/picture" pic-height="50"/>
<htmlfield id="/root/body" class="myDemoHtmlArea"
initFunc="myDemoHtmlArea"/>
<group type="container">
<macro-call id="repeater-header">
<param name="path">/root/questions/question</param>
</macro-call>
<display id="/root/questions/question"/>
<group type="container">
<macro-call id="repeater-header">
<param name="path">/root/questions/question/answers/
answer</param>
</macro-call>
<display id="/root/questions/question/answers/answer"/>
</group>
</group>
</group>
</template>
<template name="/root/questions/question">
<gridrow>
<cell col="1" colspan="2">
<action action="delete" ref="/root/questions/question"/>
</cell>
</gridrow>
<htmlfield id="/root/questions/question/questionBody"
class="myDemoHtmlArea" initFunc="myDemoHtmlArea"/>
<htmlfield id="/root/questions/question/questionExplanation"
class="myDemoHtmlArea" initFunc="myDemoHtmlArea"/>
</template>
<template name="/root/questions/question/answers/answer">
<gridrow>
<cell col="1" colspan="2">
<action action="delete" ref="/root/questions/question/
answers/answer"/>
</cell>
</gridrow>
<htmlfield id="/root/questions/question/answers/answer/
answerBody" class="myDemoHtmlArea" initFunc="myDemoHtmlArea"/>
<checkbox id="/root/questions/question/answers/answer/correct"/>
</template>
<macro name="repeater-header">
<grid width="100%">
<cell row="1" col="1"> ${label} </cell>
<cell row="1" col="1">
<action action="add" ref="${path}"/>
</cell>
</grid>
</macro>
</layout>
========================
business_logic.xml
========================
<businesslogic xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:noNamespaceSchemaLocation="http://repository.hippocms.org/
schemas/cms-6.04/editor/businesslogic.xsd">
<i18n>
<field-prefix>cms.demo.fields</field-prefix>
<help-prefix>cms.demo.help</help-prefix>
</i18n>
<libs>
<!-- declare a code library
'src' is a html uri, in this case we use the default library
-->
<lib src="/editing/cf2/js/htmlarea.js"/>
</libs>
<pickers>
<picker class="ResourcePopup2" id="asset">
<arg><![CDATA['/explorer/resource-picker/binaries/?
mode=asset']]></arg>
</picker>
</pickers>
<!-- for htmlarea you need to define 2 business logic rules :
1. a binding-class; a java class which converts the results
of the 'htmlarea' form element
to valid xml
2. htmlcleaner convertor; filters out invalid HTML elements.
-->
<rule for="/root/body">
<binding-class>nl.hippo.cocoon.forms.binding.HTMLAreaBinding</
binding-class>
<convertor type="htmlcleaner" config="cocoon://editing/cf2/
HtmlCleanerConfiguration.xml"
use="datamodel"/>
</rule>
<rule for="/root/title">
<validation>
<validator name="length" min="1" max="100"/>
</validation>
</rule>
<rule for="/root/alttitle">
<validation>
<validator name="length" min="0" max="50"/>
</validation>
</rule>
<rule for="/root/questions/question">
<binding>
<insert-node>
<questionBody/>
</insert-node>
</binding>
</rule>
<rule for="/root/questions/question/answers/answer">
<binding>
<insert-node>
<answerBody/>
</insert-node>
</binding>
</rule>
<rule for="/root/sections/question/questionBody">
<binding-class>nl.hippo.cocoon.forms.binding.HTMLAreaBinding</
binding-class>
<convertor type="htmlcleaner" config="cocoon://editing/cf2/
HtmlCleanerConfiguration.xml"
use="datamodel"/>
</rule>
<rule for="/root/sections/question/answerBody">
<binding-class>nl.hippo.cocoon.forms.binding.HTMLAreaBinding</
binding-class>
<convertor type="htmlcleaner" config="cocoon://editing/cf2/
HtmlCleanerConfiguration.xml"
use="datamodel"/>
</rule>
<rule for="/root/picture">
<picker id="asset"/>
</rule>
</businesslogic>
===============================
Seth Gottlieb
Content Here
P.O. Box 60062
Florence, MA 01062
http://www.contenthere.net
office: 857.488.4386
===============================
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