Hi Josh, I am actually not using Ajax for this, and the problem occurs with or without the @Cached annotation.
Peter On Wed, Apr 9, 2008 at 1:22 PM, Josh Canfield <[EMAIL PROTECTED]> wrote: > I also found that the var binding doesn't seem to work in a zone being > updated via ajax? > > Caused by: org.apache.tapestry.ioc.internal.util.TapestryException: > Failure writing parameter 'value' of component BasicAjax:loop: > Component BasicAjax is not rendering, so render variable 'string' may > not be updated. [at classpath:joshcan/test/myapp/pages/BasicAjax.tml, > line 10, column 49] > at > org.apache.tapestry.internal.structure.InternalComponentResourcesImpl.writeParameter(InternalComponentResourcesImpl.java:273) > at > org.apache.tapestry.corelib.components.Loop._$update_parameter_value(Loop.java) > > > Josh > > On Wed, Apr 9, 2008 at 10:19 AM, Josh Canfield <[EMAIL PROTECTED]> > wrote: > > You didn't mention if your list was updated using ajax? I have a > > similar problem where a list that is updated in an updated zone is not > > updated when I refresh the page. In my case it's ajax based search > > results. Refreshing the page causes the old results to be left in the > > page. > > > > It appears that cached properties are cleaned up during > > postRenderCleanup. If you update the value during an ajax call then it > > appears that the cleanup doesn't happen and the method is still cached > > for until after next full page render (all future ajax calls return > > the same value) > > > > I haven't looked to see if there is a jira issue filed already, but it > > definitely seems like a defect. > > > > I hijacked Andy Blower's BasicAjax to demonstrate. Clicking the ajax > > enabled links causes the date in the list to update the first time, > > but subsequent clicks get no update. Reloading the page gives you the > > last value, now clicking the links will update. > > > > <html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";> > > <body> > > > > <h1>Basic AJAX Tester (${count} - only updates on full page > refresh)</h1> > > > > <a t:type="actionlink" t:id="outsideZone" href="#" > > t:zone="aZone">Refresh - this is an AJAX-enabled > > ActionLink</a><br/><br/> > > > > > > <div t:type="zone" t:id="aZone"> > > <t:loop source="strings" value="string"> > > ${string}<br/> > > </t:loop> > > <p>I am a AJAX updated ZONE! count=${count}</p> > > <a t:type="actionlink" t:id="insideZone" href="#" > > t:zone="aZone">Refresh - this is an AJAX-enabled ActionLink inside the > > zone</a><br/><br/> > > </div> > > > > </body> > > </html> > > > > > > package joshcan.test.myapp.pages; > > > > import java.util.Date; > > > > import org.apache.tapestry.annotations.Cached; > > import org.apache.tapestry.annotations.Component; > > import org.apache.tapestry.annotations.Persist; > > import org.apache.tapestry.annotations.Property; > > import org.apache.tapestry.corelib.components.Zone; > > > > public class BasicAjax { > > @Property > > @Persist > > private int count = 0; > > > > @Property > > private String string; > > > > @Component > > private Zone aZone; > > > > Object onActionFromOutsideZone() { > > count++; > > return aZone; > > } > > > > Object onActionFromInsideZone() { > > count++; > > return aZone; > > } > > > > @Cached > > public String[] getStrings() { > > return new String[] { > > "Hello", new Date().toString() > > }; > > > > } > > } > > > > > > > > > > > > > > On Wed, Apr 9, 2008 at 8:45 AM, Peter Beshai <[EMAIL PROTECTED]> > wrote: > > > I have a problem where I am using a grid component to display the > contents > > > of a list retrieved from a database: sometimes after modifying the > list, the > > > page loads without refreshing the data. > > > > > > In my page: > > > > > > @Cached > > > public List<MyEntity> getMyEntities() > > > { > > > return _myEntityDAO.findAll(); > > > } > > > > > > > > > For instance, if I delete an item from the list using a control on > that > > > page, and the page refreshes, the list will still show the item. If I > click > > > refresh it will reload with the updated list. This only happens > > > occasionally, but it does happen more often than not. > > > > > > Has anybody else encountered/fixed this? > > > > > > > > > Thanks, > > > > > > Peter Beshai > > > > > > > > > > > -- > > -- > > TheDailyTube.com. Sign up and get the best new videos on the internet > > delivered fresh to your inbox. > > > > > > -- > -- > TheDailyTube.com. Sign up and get the best new videos on the internet > delivered fresh to your inbox. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
