Red Hat Bugzilla – Bug 454098
Apache httpd does not proxy properly backend response with Transfer-Encoding: chunked
Last modified: 2009-01-30 09:03:47 EST
Description of problem:
Apache httpd does not write to client immediately if backend use "server push"
mechanism. (example: http://engrm.com/blogometer/2005/11/17/pushlets-in-java/)
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Set up Apache + mod_proxy in front of backend with "server push"
2. Try to send some small data pieces from server to client
Data arrive to client with large delay, or does not arrive.
Data chunks arrive in time.
Attached patch (applied by upstream in 2.2.8) tested on live setup.
Created attachment 311047 [details]
Patch from upstream
Thanks for requesting this.
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release. Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products. This request is not yet committed for inclusion in an Update
This bug fix should be available in the RHEL5.3 Public Beta release this week, which can be downloaded from RHN. (httpd-2.2.3-19.el5)
Please test that the fix applied works as expected. If you encounter any issues, please report them as quickly as possible so that they can been addressed before RHEL5.3 GA.
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.