Eduardo Breijo created MYFACES-4125:
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Summary: Response committed too early due to flush from StateWriter
Key: MYFACES-4125
URL: https://issues.apache.org/jira/browse/MYFACES-4125
Project: MyFaces Core
Issue Type: Bug
Affects Versions: 2.2.12
Reporter: Eduardo Breijo
Attachments: StateWriter.war
We've found a problem where it seems that MyFaces is flushing output too early
in the RENDER_RESPONSE PHASE. As a result the response is committed before we
have a chance to handle an error in that phase.
This is because the renderView method from FaceletViewDeclarationLanguage calls
writer.endDocument() which ends up calling the flush() method from StateWriter.
This commit behavior is different between 2.0 and 2.2. It looks like a flush()
was empty on 2.0, and now a call was added, which causes the issue we are
seeing.
Here's a sample app:
1) Drive a request: localhost:9080/StateWriter/index.xhtml
2) You should be able to see in the logs that response was committed, so
redirect to error.xhtml cannot be performed.
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