Discussion :

[nabilsoft]

Salut,

J'ai un souci dans mon projet de mapping avec hibernate-tools-3.2.0.beta9a.jar,

Tout est bon dans le projet, par ce que ca marchait avec MySql,

mais quand j'ai voulu le lancer sur DB2 ca donne l exception :

Code :

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**********
 
Expression property.value.propertyIterator is undefined on line 56, column 30 in hbm/id.hbm.ftl.
The problematic instruction:
----------
==> foreach keyproperty in property.value.propertyIterator [on line 56, column 5 in hbm/id.hbm.ftl]
 in include "id.hbm.ftl" [on line 72, column 2 in hbm/persistentclass.hbm.ftl]
 in include "persistentclass.hbm.ftl" [on line 34, column 1 in hbm/hibernate-mapping.hbm.ftl]
----------
 
Java backtrace for programmers:
----------
freemarker.core.InvalidReferenceException: Expression property.value.propertyIterator is undefined on line 56, column 30 in hbm/id.hbm.ftl.
	at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
	at freemarker.core.IteratorBlock.accept(IteratorBlock.java:93)
	at freemarker.core.Environment.visit(Environment.java:196)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:196)
	at freemarker.core.IfBlock.accept(IfBlock.java:82)
	at freemarker.core.Environment.visit(Environment.java:196)
	at freemarker.core.Environment.include(Environment.java:1375)
	at freemarker.core.Include.accept(Include.java:155)
	at freemarker.core.Environment.visit(Environment.java:196)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:196)
	at freemarker.core.IfBlock.accept(IfBlock.java:82)
	at freemarker.core.Environment.visit(Environment.java:196)
	at freemarker.core.IfBlock.accept(IfBlock.java:82)
	at freemarker.core.Environment.visit(Environment.java:196)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:196)
	at freemarker.core.Environment.include(Environment.java:1375)
	at freemarker.core.Include.accept(Include.java:155)
	at freemarker.core.Environment.visit(Environment.java:196)
	at freemarker.core.MixedContent.accept(MixedContent.java:92)
	at freemarker.core.Environment.visit(Environment.java:196)
	at freemarker.core.Environment.process(Environment.java:176)
	at freemarker.template.Template.process(Template.java:231)
	at org.hibernate.tool.hbm2x.TemplateHelper.processTemplate(TemplateHelper.java:247)
	at org.hibernate.tool.hbm2x.TemplateProducer.produceToString(TemplateProducer.java:67)
	at org.hibernate.tool.hbm2x.TemplateProducer.produce(TemplateProducer.java:28)
	at org.hibernate.tool.hbm2x.TemplateProducer.produce(TemplateProducer.java:97)
	at org.hibernate.tool.hbm2x.GenericExporter.exportPOJO(GenericExporter.java:146)
	at org.hibernate.tool.hbm2x.GenericExporter.exportPersistentClass(GenericExporter.java:135)
	at org.hibernate.tool.hbm2x.GenericExporter$2.process(GenericExporter.java:41)
	at org.hibernate.tool.hbm2x.GenericExporter.doStart(GenericExporter.java:126)
	at org.hibernate.tool.hbm2x.HibernateMappingExporter.doStart(HibernateMappingExporter.java:34)
	at org.hibernate.tool.hbm2x.AbstractExporter.start(AbstractExporter.java:95)
	at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate$1.execute(CodeGenerationLaunchDelegate.java:257)
	at org.hibernate.console.execution.DefaultExecutionContext.execute(DefaultExecutionContext.java:65)
	at org.hibernate.console.ConsoleConfiguration.execute(ConsoleConfiguration.java:89)
	at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.runExporters(CodeGenerationLaunchDelegate.java:228)
	at org.hibernate.eclipse.launch.CodeGenerationLaunchDelegate.launch(CodeGenerationLaunchDelegate.java:130)
	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:639)
	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:565)
	at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:754)
	at org.eclipse.debug.internal.ui.DebugUIPlugin$6.run(DebugUIPlugin.java:944)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)

*************


Si quelqu'un a une solution pour ca

Merci d'avance pour votre aide

[manu99]

Suivant comment tes tables sont construite un changement de BD peux etre fatale!

Peux tu nous donner le code ou se trouve: Expression property.value.propertyIterator

[nabilsoft]

Le problème se pose dans le fichier hbm/id.hbm.ftl au niveau

du jar : hibernate-tools-3.2.0.beta9a.jar dont le contenue est le suivant :

Code :

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<#if embeddedid?exists>
<composite-id>
<#foreach keyproperty in embeddedid.propertyIterator>
<#if !c2h.isManyToOne(keyproperty)>
<key-property name="${keyproperty.name}" type="${keyproperty.value.typeName}">
<#foreach column in keyproperty.columnIterator>
<#include "pkcolumn.hbm.ftl">
</#foreach>
</key-property>
<#else>
<key-many-to-one name="${keyproperty.name}" class="${c2j.getJavaTypeName(keyproperty, false)}">
<#foreach column in keyproperty.columnIterator>
<#include "pkcolumn.hbm.ftl">
</#foreach>
</key-many-to-one>
</#if>
</#foreach>
</composite-id>
<#elseif !c2j.isComponent(property)>
<id
name="${property.name}"
type="${property.value.typeName}"
<#if c2h.isUnsavedValue(property)>
unsaved-value="${c2h.getUnsavedValue(property)}"
</#if>
<#if !property.basicPropertyAccessor>
access="${property.propertyAccessorName}"
</#if>
>
<#assign metaattributable=property>
<#include "meta.hbm.ftl">
 
<#foreach column in property.columnIterator>
<#include "pkcolumn.hbm.ftl">
</#foreach>
<#if !c2h.isIdentifierGeneratorProperties(property)>
<generator class="${property.value.identifierGeneratorStrategy}" />
<#else>
<generator class="${property.value.identifierGeneratorStrategy}">
<#assign parameters = c2h.getIdentifierGeneratorProperties(property)>
<#foreach paramkey in c2h.getFilteredIdentifierGeneratorKeySet(property)>
<param name="${paramkey}">${parameters.get(paramkey)}</param>
</#foreach>
</generator>
</#if>
</id>
<#else>
<composite-id
name="${property.name}"
class="${property.value.getComponentClassName()}"
<#if c2h.isUnsavedValue(property)>
unsaved-value="${c2h.getUnsavedValue(property)}"
</#if>
<#if !property.basicPropertyAccessor>
access="${property.propertyAccessorName}"
</#if>
>
<#foreach keyproperty in c2h.getProperties(property.value)>
<#if !c2h.isManyToOne(keyproperty)>
<key-property name="${keyproperty.name}" type="${keyproperty.value.typeName}">
<#foreach column in keyproperty.columnIterator>
<#include "pkcolumn.hbm.ftl">
</#foreach>
</key-property>
<#else>
<key-many-to-one name="${keyproperty.name}" class="${c2j.getJavaTypeName(keyproperty, false)}">
<#foreach column in keyproperty.columnIterator>
<#include "pkcolumn.hbm.ftl">
</#foreach>
</key-many-to-one>
</#if>
</#foreach>
</composite-id>
</#if>

Je sais bien que MySql et DB2 ont des structures totalement différentes,

mais je pensais que Hibernate gère ca ;


Merci pour votre aide