Hi Michael,
To date I’ve handled this more generally by letting the user know when the
server cannot be reached. It’s detected by Offline.js
(https://github.hubspot.com/offline/docs/welcome/), which is in in the <head>
of our layout component.
<!-- Do not move Offline items into a JavaScriptStack or a module -
they work best right here, synchronously loaded. -->
<link type="text/css" rel="stylesheet"
href="${asset:offline-0.7.13/offline-theme-default.css}"/>
<t:if test="languageEN">
<link type="text/css" rel="stylesheet"
href="${asset:offline-0.7.13/offline-language-english.css}"/>
</t:if>
<t:if test="languageFR">
<link type="text/css" rel="stylesheet"
href="${asset:offline-0.7.13/offline-language-french.css}"/>
</t:if>
<script type="text/javascript" charset="utf-8"
src="${asset:offline-0.7.13/offline.js}"/>
<script type="text/javascript" charset="utf-8"
src="${asset:offline-0.7.13/offline-options.js}"/>
Offline.js doesn’t know what buttons or links the user has pressed, but it
doesn't have to.
I’m also keen to hear other opinions.
Geoff
> On 22 Feb 2023, at 12:15 am, Volker Lamp <vl...@apache.org> wrote:
>
> Hi Michael
>
>> How i am able to recognized from the Tapestry Pages the failed
>> communication ?
>
> The (server-side) page class has no chance of knowing the communication
> failed, because the ajax request never makes it through.
>
> So the logic would have to be on the client. If the server doesn't send a
> useful respond within an acceptable time, display an error message. I don't
> think Tapestry's client-side code has such error handling built in, but in
> the light of your example, it appears to a good enhancement.
>
> Keen to hear other opinions.
>
> Volker
>
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