ajax - Response Already Commited Error for JSF2 Apache MyFaces -

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version :

apache myfaces 2.1.14 , richfaces 4.3.5

issue:

we migrating jsf 1.2 jsf 2. facing strange issue :

when ajax operation performed , getting below error , page not refreshed (or rerended usual)

org.apache.myfaces.context.servlet.servletexternalcontextimpl setresponsecontenttype severe: cannot set content type. response committed

this question similar jsf 2.0 response commented (ajax) , seems no 1 has answered question. comes @ specific page , same code @ other places works fine , error random in nature?

is apache myfaces ? please if inputs available .

the xhtml ajax tags causing these issues : a4j:commandlink , a4j:ajax

that occurs because there error on render response phase , part of response has been send client. algorithm try render error page can't because response has been sent problem.

the solution avoid commit, increasing buffer size of response. use javax.faces.facelets_buffer_size web config parameter (by default 1024 bytes).

theoretically param has negative effect on memory, because larger buffer, more memory allocated that, jvm fast enough if there enough memory.


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