Hi All,
I'm seeing the same behaviour, I have a page that displays a list of items
which link off to a viewitem page with a pagelink with an item id for the
context (a string). When I hit the viewitem page I'm seeing the onActivate
event handler being called twice, the first time I can see that the item id
is there, then the second time its "asset"
ViewItem.java:
public void onActivate(String theID) {
log.debug(theId);
}
The tml is very light, no images/assets being used, the only asset that gets
rendered out in the final html is the <link
href="assets/tapestry/default.css" rel="stylesheet" type="text/css"> that
Tapestry auto renders.
ViewItem.tml:
<html xmlns:t="http://tapestry.apache.org/schema/tapestry_5_0_0.xsd";>
Hello
</html>
Log output:
DEBUG - uk.co.app.pages. ViewItem.onActivate(36) | A4S4
DEBUG - uk.co.app.pages. ViewItem.onActivate(36) | assets
Is there any reason why I should see two invocations, this is a render
request so only one cycle should be seen right?
Any ideas?
Thanks, Adam.
Josh Penza wrote:
>
> Can someone explain the following exception?
>
> I click on a productdetail url like ('..../productdetail/9)
> The system.out in ProductDetail. java prints nicely 9 to the screen.
> **
> *void* onActivate(Long productId) {
> *this*.productId = productId;
> System.*out*.println("ProductDetail.onActivate :" +
> *this*.productId);
> }
>
> But where does the "assets" String come from??
>
> Exception in method
> org.example.web.tapestry.pages.ProductDetail.onActivate(
> java.lang.Long) (at ProductDetail.java:49), parameter #1: Coercion of
> assets
> to type java.lang.Long (via String --> Long) failed: For input string:
> "assets"
>
> Caused by: *java.lang.RuntimeException*: Coercion of assets to type
> java.lang.Long (via String --> Long) failed: For input string: "assets"
>
> at org.apache.tapestry.ioc.internal.services.TypeCoercerImpl.coerce(*
> TypeCoercerImpl.java:154*)
>
> at $TypeCoercer_1158a09422d.coerce($TypeCoercer_1158a09422d.java)
>
> at
> org.apache.tapestry.internal.services.ComponentEventImpl.coerceContext(*
> ComponentEventImpl.java:90*)
>
> ... 43 more
>
> Caused by: *java.lang.NumberFormatException*: For input string: "assets"
>
> at java.lang.NumberFormatException.forInputString(*
> NumberFormatException.java:48*)
>
> at java.lang.Long.parseLong(*Long.java:403*)
>
> at java.lang.Long.<init>(*Long.java:671*)
>
> at org.apache.tapestry.ioc.services.TapestryIOCModule$9.coerce(*
> TapestryIOCModule.java:232*)
>
> at org.apache.tapestry.ioc.services.TapestryIOCModule$9.coerce(*
> TapestryIOCModule.java:230*)
>
> at org.apache.tapestry.ioc.services.CoercionTuple$CoercionWrapper.coerce(*
> CoercionTuple.java:53*)
>
> at org.apache.tapestry.ioc.internal.services.TypeCoercerImpl.coerce(*
> TypeCoercerImpl.java:150*)
>
>
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