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Posted to dev@hc.apache.org by "Francois-Xavier Bonnet (Created) (JIRA)" <ji...@apache.org> on 2012/04/12 12:03:18 UTC
[jira] [Created] (HTTPCLIENT-1183) HTTP/1.0 requests not serveable
from cache
HTTP/1.0 requests not serveable from cache
------------------------------------------
Key: HTTPCLIENT-1183
URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1183
Project: HttpComponents HttpClient
Issue Type: Bug
Components: Cache
Reporter: Francois-Xavier Bonnet
Any HTTP/1.0 request is considered as not serveable from cache (only HTTP/1.1 requests are serveable from cache). This is implemented in method org.apache.http.impl.client.cache.CacheableRequestPolicy.isServableFromCache(HttpRequest)
What is the reason for this behaviour? According to the specifications, HTTP/1.0 request are supposed to be cacheable even if the mechanism is more primitive than for HTTP/1.1 requests (only based on Expires and Last-Modified headers).
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[jira] [Updated] (HTTPCLIENT-1183) HTTP/1.0 requests not serveable
from cache
Posted by "Jon Moore (Updated) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jon Moore updated HTTPCLIENT-1183:
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Attachment: 1.0-requests-cacheable.patch
@Francois-Xavier: you made me curious enough to check. Attached is a patch with a unit test that demonstrates that HTTP/1.0 requests can be served from the cache. So, I think this is not actually a bug.
> HTTP/1.0 requests not serveable from cache
> ------------------------------------------
>
> Key: HTTPCLIENT-1183
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1183
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: Cache
> Reporter: Francois-Xavier Bonnet
> Attachments: 1.0-requests-cacheable.patch
>
>
> Any HTTP/1.0 request is considered as not serveable from cache (only HTTP/1.1 requests are serveable from cache). This is implemented in method org.apache.http.impl.client.cache.CacheableRequestPolicy.isServableFromCache(HttpRequest)
> What is the reason for this behaviour? According to the specifications, HTTP/1.0 request are supposed to be cacheable even if the mechanism is more primitive than for HTTP/1.1 requests (only based on Expires and Last-Modified headers).
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[jira] [Commented] (HTTPCLIENT-1183) HTTP/1.0 requests not
serveable from cache
Posted by "Jon Moore (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13252339#comment-13252339 ]
Jon Moore commented on HTTPCLIENT-1183:
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Actually, an incoming HTTP/1.0 request gets upgraded to HTTP/1.1 by RequestProtocolCompliance, and hence is suitable for being satisfied by the cache. The check in here is to guard against non-HTTP/1.x requests being satisfied by the cache--since it doesn't understand those protocols it is not safe for the cache to cache responses.
Can you produce a unit test that shows that an HTTP/1.0 request that receives a cacheable response doesn't get served from cache?
> HTTP/1.0 requests not serveable from cache
> ------------------------------------------
>
> Key: HTTPCLIENT-1183
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1183
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: Cache
> Reporter: Francois-Xavier Bonnet
>
> Any HTTP/1.0 request is considered as not serveable from cache (only HTTP/1.1 requests are serveable from cache). This is implemented in method org.apache.http.impl.client.cache.CacheableRequestPolicy.isServableFromCache(HttpRequest)
> What is the reason for this behaviour? According to the specifications, HTTP/1.0 request are supposed to be cacheable even if the mechanism is more primitive than for HTTP/1.1 requests (only based on Expires and Last-Modified headers).
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[jira] [Resolved] (HTTPCLIENT-1183) HTTP/1.0 requests not serveable
from cache
Posted by "Jon Moore (Resolved) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jon Moore resolved HTTPCLIENT-1183.
-----------------------------------
Resolution: Invalid
Assignee: Jon Moore
> HTTP/1.0 requests not serveable from cache
> ------------------------------------------
>
> Key: HTTPCLIENT-1183
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1183
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: Cache
> Reporter: Francois-Xavier Bonnet
> Assignee: Jon Moore
> Attachments: 1.0-requests-cacheable.patch
>
>
> Any HTTP/1.0 request is considered as not serveable from cache (only HTTP/1.1 requests are serveable from cache). This is implemented in method org.apache.http.impl.client.cache.CacheableRequestPolicy.isServableFromCache(HttpRequest)
> What is the reason for this behaviour? According to the specifications, HTTP/1.0 request are supposed to be cacheable even if the mechanism is more primitive than for HTTP/1.1 requests (only based on Expires and Last-Modified headers).
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[jira] [Commented] (HTTPCLIENT-1183) HTTP/1.0 requests not
serveable from cache
Posted by "Francois-Xavier Bonnet (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13252382#comment-13252382 ]
Francois-Xavier Bonnet commented on HTTPCLIENT-1183:
----------------------------------------------------
You are right. I have just done almost the same test and had the same result.
Thanks for your help. I had just read the code, next time I will test before asking questions.
> HTTP/1.0 requests not serveable from cache
> ------------------------------------------
>
> Key: HTTPCLIENT-1183
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1183
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: Cache
> Reporter: Francois-Xavier Bonnet
> Assignee: Jon Moore
> Attachments: 1.0-requests-cacheable.patch
>
>
> Any HTTP/1.0 request is considered as not serveable from cache (only HTTP/1.1 requests are serveable from cache). This is implemented in method org.apache.http.impl.client.cache.CacheableRequestPolicy.isServableFromCache(HttpRequest)
> What is the reason for this behaviour? According to the specifications, HTTP/1.0 request are supposed to be cacheable even if the mechanism is more primitive than for HTTP/1.1 requests (only based on Expires and Last-Modified headers).
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