I don't think Tapestry cares, but why are you calling your .page
DirectLink? again I don't think it does matter but is kind of awkward to
call a .page "DirectLink" which is also a core tapestry component.
I wonder if the order in which tapestry looks for things it's causing
this behavior,
just some thoughts.
[EMAIL PROTECTED] wrote:
Can someone tell me how the configuration for ognl resolution differs between a
servlet environment and a portlet environment?
I am trying to come up to speed with using Tapestry for Websphere Portal 5.1
I am developing using RAD 6.
I have successfully deployed the Hello World tutorial as a portlet, but I am
having trouble with the Direct Link tutorial. Apparently, I don't have things
wired up correctly, as I am getting a BindingException. My class that extends
BasePage is not being found.
Here is the relevant excerpt of the exception:
org.apache.tapestry.BindingException
Unable to read OGNL expression '<parsed OGNL expression>' of [EMAIL PROTECTED]:
$BasePage_3.counter
binding ExpressionBinding[DirectLink counter]
location context:/DirectLink.html, line 3
1 <p>
2 The current value is:
3 <span style="font-size:xx-large"><span jwcid="@Insert" value="ognl:counter">37</span></span>
4 </p>
5
6 <p>
7 <a href="#" jwcid="@DirectLink" listener="listener:doClick">increment counter</a>
8 </p>
org.apache.hivemind.ApplicationRuntimeException
Unable to read OGNL expression '<parsed OGNL expression>' of [EMAIL PROTECTED]:
$BasePage_3.counter
component [EMAIL PROTECTED]
location context:/DirectLink.html
ognl.NoSuchPropertyException
$BasePage_3.counter
name counter
target [EMAIL PROTECTED]
ognl.ObjectPropertyAccessor.getProperty(ObjectPropertyAccessor.java:123)
My assumption is that my template, DirectLink.html, requires a corresponding
class of the same name. This is the source of DirectLink.java (Note: I've
commented out annotations, as they are unsupported in jdk 1.4, and hard-coded a
counter attribute just for initial testing. I also created copies named
Home.java and View.java with the same code, but to no effect):
package tutorial.forms.pages;
// import org.apache.tapestry.annotations.Persist;
import org.apache.tapestry.html.BasePage;
public abstract class DirectLink extends BasePage
{
// @Persist
private int counter = 17;
public abstract int getCounter();
public abstract void setCounter(int counter);
public void doClick()
{
int counter = getCounter();
counter++;
setCounter(counter);
}
}
Lastly, I have app.application in my WEB-INF folder with the following contents:
<?xml version="1.0"?>
<!DOCTYPE application PUBLIC
"-//Apache Software Foundation//Tapestry Specification 4.0//EN"
"http://jakarta.apache.org/tapestry/dtd/Tapestry_4_0.dtd";>
<application>
<meta key="org.apache.tapestry.page-class-packages" value="tutorial.forms.pages"/>
</application>
Have I overlooked something, or does portal require something different?
Regards,
Ed
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