Hi,
I'm getting the following error
Caused by: java.lang.NullPointerException
at
org.apache.tapestry5.corelib.components.Form._$environment_read_renderSupport(Form.java)
at
org.apache.tapestry5.corelib.components.Form.beginRender(Form.java:245)
at org.apache.tapestry5.corelib.components.Form.beginRender(Form.java)
when I re-render the main zone in my page from an ActionLink or
FormSuccess event method.
More about my page:
The page is divided into 8 blocks, and 6 of the blocks encapsulate a
form, as such:
<zone>
<delegate />
<block>
<form>
</form>
<block>
...
<block>
<form>
</form>
</block>
</zone>
When first loading the page, it delegates to the first block. You can
fill out the form and then submit the form. Upon submitting the form, it
triggers the onSuccessFromForm method, which updates the Block for the
Delegate and returns the zone component.
At this point, I get the NullPointerError which points directly to the
line in the TML file declaring the <t:form> in the Block that should now
be delegated to. I declare the t:id of the form and in the page class
each Form is declared as a private Form with the @Component annotation.
Any help or advice would be appreciated. I have used the
Zone/Block/Event-Method strategy in another Component of mine
successfully, but the Blocks in that Component never contained Form
components, which seems to be the added complication.
Also, I had the Events working when I just returned the page class
itself by String reference, but I'd prefer to update the Zone over
reload the Page each time.
Thanks,
Rich
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