Matthias Füssel created TRINIDAD-2563:
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Summary: Trinidad with MyFaces leads to empty ajax-response when
render="@all" is used
Key: TRINIDAD-2563
URL: https://issues.apache.org/jira/browse/TRINIDAD-2563
Project: MyFaces Trinidad
Issue Type: Bug
Affects Versions: 2.2.1-core
Reporter: Matthias Füssel
Trindidad pvovides its own XmlHttpServletResponse for ajax requests. This
response puts Tinidad's XmlOutput into its ResponseWriter chain which causes
everything written before a "<?xml version="1.0" ?>" header to be thrown away.
I have no idea why.
Trinidad's PartialViewContextImpl uses two different writer chains:
* for "real" partial renderings, it uses its own PPResponseWriter ->
XmlResponseWriter -> ... . This combination creates a "<?xml version="1.0" ?>"
header at the begin of the output, so everything works as expected.
* for "render all" requests, it uses a standard PartialResponseWriter from the
JSF API. The PartialResponseWriter from MyFaces doesn't create any xml header.
So everything "written" will be ignored and the request returns a completely
empty response which causes a javascript error on the client.
Options:
* remove XmlOutput from XmlHttpServletResponse's writer chain or
* use Trinidad's writer chain also for "render all" requests, as there is no
guarantee that PartialResponseWriter will use an xml header
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