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https://issues.apache.org/jira/browse/HADOOP-6607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13498719#comment-13498719
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Hudson commented on HADOOP-6607:
--------------------------------
Integrated in Hadoop-Yarn-trunk #38 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/38/])
HADOOP-6607. Add different variants of non caching HTTP headers. (tucu)
(Revision 1409921)
Result = SUCCESS
tucu : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1409921
Files :
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/HttpServer.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/http/NoCacheFilter.java
*
/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/http/TestHttpServer.java
> Add different variants of non caching HTTP headers
> --------------------------------------------------
>
> Key: HADOOP-6607
> URL: https://issues.apache.org/jira/browse/HADOOP-6607
> Project: Hadoop Common
> Issue Type: Bug
> Components: io
> Affects Versions: 0.22.0
> Reporter: Steve Loughran
> Assignee: Alejandro Abdelnur
> Priority: Minor
> Fix For: 2.0.3-alpha
>
> Attachments: HADOOP-6607.patch, HADOOP-6607.patch,
> NoCachingFilter.java
>
>
> I'm suffering from proxy servers that are caching some of the HttpResponses
> that Hadoop generates in servlets/JSP pages. While the web ui is up to date,
> some of my build files are failing to pull stuff down because that is going
> via proxy -it sees an error page rather than the data
> # Every servlet should set a short expires header and disable caching,
> especially in proxies.
> # JSP pages should do it to
> # It's essential that error responses do it.
> Maybe this could be done in a filter. Otherwise something like
> {code}
> /**
> * Turn off caching and say that the response expires now
> * @param response the response
> */
> protected void disableCaching(HttpServletResponse response) {
> response.addDateHeader("Expires", System.currentTimeMillis());
> response.addHeader("Cache-Control", "no-cache");
> response.addHeader("Pragma", "no-cache");
> }
> {code}
> Before anyone rushes to do this, we should consult some HTTP experts in
> Yahoo! or Facebook to get the options right. It may be best to have, say, a
> 1s lifespan on everything.
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