You are right, I access the variable just in the same table in the next
column.
It seems to me, that I just have to get rid of all this lazy-stuff. Right now
I do not care whether this gives me some resourceproblems.
How and where can I specify, that I want a session per database request?
Regards ... Rick
<t:dataTable
id="scanJourLinksTable"
styleClass="standardTable"
columnClasses="list-column-left"
headerClass="list-header-left"
rowClasses="list-row-even, list-row-odd"
value="#{DanafileResultPage.scanJourLinks}"
var="links"
>
<h:column>
<f:facet name="header">
<h:outputText value=""/>
</f:facet>
<h:commandLink action="edit_link"
immediate="true">
<h:outputText
value="#{msg.edit}" />
<t:updateActionListener
property="#{DanafileScanJourModifyPage.idLink}"
value="#{links.id}" />
</h:commandLink>
</h:column>
<h:column>
<f:facet name="header">
<h:outputText
value="#{msg.scanJourNumberLabel}"/>
</f:facet>
<h:outputText
value="#{links.scanJourNumber}"/>
</h:column>
<h:column>
<f:facet name="header">
<h:outputText
value="#{msg.notesLabel}"/>
</f:facet>
<t:popup styleClass="popup"
closePopupOnExitingElement="true" closePopupOnExitingPopup="true"
displayAtDistanceX="10" displayAtDistanceY="10" >
<h:outputText value="#{links.notes}" />
<f:facet name="popup">
<h:panelGroup>
<h:panelGrid columns="1" >
<h:outputText value="#{links.notes}"/>
</h:panelGrid>
</h:panelGroup>
</f:facet>
</t:popup>
</h:column>
</t:dataTable>
<h:form>
<t:commandButton
id="saveBtn"
tabindex="4"
value="#{msg.buttonAdd}"
action="add_link"
forceId="true"
styleClass="button"
immediate="true">
<t:updateActionListener
property="#{DanafileScanJourModifyPage.objIdLink}"
value="#{DanafileResultPage.caseDocument.objId}" />
</t:commandButton>
</h:form>
Onsdag 31 august 2005 14:38 skrev Enrique Medina:
> I don't see it in your fragment of the JSP code, but I guess you have an EL
> accessing your lazy loaded variable inside your "links" object, haven't
> you?
>
> That is the precise moment where the error should appear, as all the list
> has been created using a different Hibernate session from the one you are
> now in this request ;-)
>
> 2005/8/31, Rick Gruber-Riemer <[EMAIL PROTECTED]>:
> > Hej Martin
> >
> > The thing is, that this object does not even exist. At least not if I
> > understand the meaning of a "request" the right way.
> >
> > What I do is:
> > # A DAO extending HibernateDaoSupport finds all records or a record with
> > a specifc id (ScanJourLinkHbmDAO)
> > # The Page-objects get records or a record by means of a (shared)
> > manager-class, which has a pointer to the DAO
> > # Then in danafileResultPage.jsf I have a table, which shows all records
> > based
> > on DanafileResultPage.java getting the records from the database via
> > manager
> > and DAO
> > # Each row in the table contains links to edit a record in a new page
> > (danafileScanJourModifyPage.jsf). The Page object for the new page
> > (DanafileScanJourModifyPage.java) has a property (idLink) which I access
> > via
> > a MyFaces <t:updateActionListener> tag. Then in setIdLink(String anId) I
> > try
> > to get the record from the database by means of the manager, which then
> > calls
> > the DAO ...
> > => I have no pointer to the object in either the Page, manager or DAO
> > class.
> > So I cannot call session.update(object) :-( And I guess that the call to
> > a new page is a new request.
> >
> > Am I doing something wrong?
> >
> > Regards ... Rick
> >
> > <t:dataTable
> > id="scanJourLinksTable"
> > styleClass="standardTable"
> > columnClasses="list-column-left"
> > headerClass="list-header-left"
> > rowClasses="list-row-even, list-row-odd"
> > value="#{DanafileResultPage.scanJourLinks}"
> > var="links"
> >
> > <h:column>
> > <f:facet name="header">
> > <h:outputText value=""/>
> > </f:facet>
> > <h:commandLink action="edit_link" immediate="true">
> > <h:outputText value="#{msg.edit}" />
> > <t:updateActionListener property="#{DanafileScanJourModifyPage.idLink}"
> > value="#{links.id <http://links.id>}" />
> > </h:commandLink>
> > </h:column>
> >
> > public class DanafileScanJourModifyPage extends Page {
> > public void setIdLink(String anId) {
> > if (logger.isDebugEnabled()) {
> > logger.debug("getting link with id= " + anId);
> > }
> > link = danafileManager.findScanJourLink(Long.valueOf(anId));
> > setUpdating(true);
> > } //public void setId(String)
> >
> > public class DanafileManager {
> > public ScanJourLink findScanJourLink(Long id) {
> > return scanJourLinkDAO.findScanJourLink(id);
> > } //END public ScanJourLink findScanJourLink(Long)
> >
> > public class ScanJourLinkHbmDAO extends HibernateDaoSupport implements
> > IScanJourLinkDAO {
> > //implements IScanJourLinkDAO
> > public ScanJourLink findScanJourLink(Long id) {
> > ScanJourLink link = (ScanJourLink)
> > getHibernateTemplate().load(ScanJourLink.class, id);
> > if (null == link) {
> > throw new ObjectRetrievalFailureException(ScanJourLink.class, id);
> > }
> > return link;
> > }
> >
> > Onsdag 31 august 2005 12:26 skrev Martin Marinschek:
> > > A very short hint from my side:
> > >
> > > that exception means this object is not in the session anymore. You
> > > can easily reapply it to the session by calling
> > >
> > > session.update(object)
> > >
> > > If you are sure that your object has not changed since it was last in
> > > the session, you can call:
> > >
> > > session.lock(object, LockMode.NONE);
> > >
> > > regards,
> > >
> > > Martin
> > >
> > > On 8/31/05, Werner Punz <[EMAIL PROTECTED]> wrote:
> > > > I think before giving a short answer... I will give you a detailed
> > > > explanation via a links:
> >
> > http://wiki.apache.org/myfaces/HibernateAndMyFaces?highlight=%28hibernate
> >
> > > >%29
> > > >
> > > > This small article describes exactly the problems you run into and
> > > > how to solve them...
> > > >
> > > > Werner
> > > >
> > > > Rick Gruber-Riemer wrote:
> > > > > Hej
> > > > >
> > > > > I use MyFaces (1.0.9), Hibernate (3.0.5) and Spring (1.22) in my
> > > > > webapplication. When I get a list of records from the database in a
> > > > > table or make a new record using a form everything works fine.
> >
> > However
> >
> > > > > when I try to edit a record in a form, I get a
> > > > > org.hibernate.LazyInitializationException error on opening the
> > > > > editform. I understand this has something to do with the Hibernate
> > > > > sessions. And it has nothing to do with MyFaces in particular. And
> > > > > I have found some hints by googeling like Spring's
> > > > > OpenSessionInViewFilter. However I do not have a clue what to
> > > > > change where in the configuration.
> > > > >
> > > > > => Has somebody used JSF+Spring+Hibernate successfully?
> > > > > => Downloadable sample code?
> > > > > => Do I need the jsf-spring integration library?
> > > > >
> > > > > Any hint would be much appreciated ... Rick
> > > > >
> > > > > <hibernate-mapping>
> > > > > <class
> > > > > name="
> >
> > dk.trafikstyrelsen.data.transfer.dto.railsecurity.danafile.ScanJo
> >
> > > > >urLink" table="DANAFILE.SCANJOUR_LINK">
> > > > > <id name="id" type="long" column="ROW_ID">
> > > > > <meta attribute="scope-set">protected</meta>
> > > > > <generator class="sequence">
> > > > > <param name="sequence">DANAFILE.SEQNUMBER</param>
> > > > > </generator>
> > > > > </id>
> > > > > <version column="REVISION" name="revision" />
> > > > > <property name="objId" type="string" not-null="true"/>
> > > > > <property name="scanJourNumber" type="int"
> > > > > column="SCANJOUR_NUMBER" not-null="true"/> <property name="notes"
> > > > > type="string" column="NOTES" not-null="false"/> <property
> >
> > name="active"
> >
> > > > > type="yes_no" column="ACTIVE" not-null="true" /> <property
> > > > > name="createdBy" type="string" column="CREATED_BY"
> > > > > not-null="true"/> <property name="lastUpdatedBy" type="string"
> > > > > column="LAST_UPD_BY" not-null="true"/> <property name="createdDate"
> > > > > type="timestamp" column="CREATED_DT" not-null="true"/> <property
> >
> > name="lastUpdatedDate"
> >
> > > > > type="timestamp" column="LAST_UPD_DT" not-null="true"/> </class>
> > > > > </hibernate-mapping>
> > > > >
> > > > > <beans>
> > > > > <bean id="danafileHbmDS"
> > > > > class="oracle.jdbc.pool.OracleDataSource"> <property
> > > > > name="driverType"><value>oracle.jdbc.OracleDriver</value></property
> > > > >> <property
> > > > > name="URL"><value>jdbc:oracle:thin:@10.0.0.3
> > :
> > :1521:dhdvl</value></proper
> > :
> > > > >ty> <property name="user"><value>danafile_web</value></property>
> > > > > <property name="password"><value>styr3ls3n</value></property>
> >
> > </bean>
> >
> > > > > <!-- Hibernate SessionFactories -->
> > > > > <bean id="danafileHbmSF"
> > > > > class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
> > > > > <property name="dataSource"><ref local="danafileHbmDS"/></property>
> > > > > <property name="mappingResources">
> > > > > <list>
> >
> > <value>dk/trafikstyrelsen/data/transfer/dto/railsecurity/danafile/ScanJ
> >
> > > > >ourLink.hbm.xml</value> </list>
> > > > > </property>
> > > > > <property name="hibernateProperties">
> > > > > <props>
> > > > > <prop
> > > > > key="hibernate.dialect">org.hibernate.dialect.Oracle9Dialect</prop>
> > > > > <prop key="hibernate.query.substitutions">yes 'Y', no 'N'</prop>
> >
> > <prop
> >
> > > > > key="hibernate.show_sql">true</prop> </props>
> > > > > </property>
> > > > > </bean>
> > > > >
> > > > > <!-- Transaction manager for a single Hibernate SessionFactory
> > > > > (alternative to JTA) --> <bean id="transactionManager"
> > > > > class="
> >
> > org.springframework.orm.hibernate3.HibernateTransactionManager">
> >
> > > > > <property name="sessionFactory"><ref
> >
> > local="danafileHbmSF"/></property>
> >
> > > > > </bean>
> > > > >
> > > > > <bean id="scanJourLinkDAO"
> > > > > class="
> >
> > dk.trafikstyrelsen.data.transfer.dao.railsecurity.danafile.ScanJ
> >
> > > > >ourLinkHbmDAO"> <property name="sessionFactory"><ref
> > > > > local="danafileHbmSF"/></property> </bean>
> > > > > </beans>
> > > > >
> > > > >
> > > > > ERROR - LazyInitializationException.<init>(19) | could not
> >
> > initialize
> >
> > > > > proxy - the owning Session was closed
> > > > > org.hibernate.LazyInitializationException: could not initialize
> >
> > proxy -
> >
> > > > > the owning Session was closed at
> > > > > org.hibernate.proxy.AbstractLazyInitializer.initialize
> >
> > (AbstractLazyInit
> >
> > > > >ializer.java:53) at
> > > > > org.hibernate.proxy.AbstractLazyInitializer.getImplementation
> >
> > (AbstractL
> >
> > > > >azyInitializer.java:84) at
> > > > > org.hibernate.proxy.CGLIBLazyInitializer.intercept
> >
> > (CGLIBLazyInitializer
> >
> > > > >.java:134) at
> >
> > dk.trafikstyrelsen.data.transfer.dto.railsecurity.danafile.ScanJourLink
> >
> > > > >$$EnhancerByCGLIB$$c24a4569.getScanJourNumber(<generated>) at
> > > > > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
> > > > > sun.reflect.NativeMethodAccessorImpl.invoke(
> >
> > NativeMethodAccessorImpl.ja
> >
> > > > >va:39) at
> > > > > sun.reflect.DelegatingMethodAccessorImpl.invoke
> >
> > (DelegatingMethodAccesso
> >
> > > > >rImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585)
> > > > > at
> > > > > org.apache.myfaces.el.PropertyResolverImpl.getProperty
> >
> > (PropertyResolver
> >
> > > > >Impl.java:419) at
> > > > > org.apache.myfaces.el.PropertyResolverImpl.getValue
> >
> > (PropertyResolverImp
> >
> > > > >l.java:104) at
> > > > > org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate
> >
> > (ELParser
> >
> > > > >Helper.java:555) at
> > > > > org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)
> >
> > at
> >
> > > > > org.apache.myfaces.el.ValueBindingImpl.getValue(
> >
> > ValueBindingImpl.java:4
> >
> > > > >41)
