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https://issues.apache.org/jira/browse/COUCHDB-2978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15230283#comment-15230283
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ASF GitHub Bot commented on COUCHDB-2978:
-----------------------------------------
GitHub user garrensmith opened a pull request:
https://github.com/apache/couchdb-chttpd/pull/111
Create md5 etag for _local docs
This makes a unique ETAG for _local docs, so that they are cached
correctly, and fetched again when the document changes.
fixes COUCHDB-2978
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/apache/couchdb-chttpd local-docs-2978
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/couchdb-chttpd/pull/111.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #111
----
commit 1ca86421bafd17cc5b954d9075e3a053ea951f6a
Author: Garren Smith <[email protected]>
Date: 2016-04-07T13:47:05Z
Create md5 etag for _local docs
This makes a unique ETAG for _local docs, so that they are cached
correctly, and fetched again when the document changes.
fixes COUCHDB-2978
----
> Stale ETags are re-used for _local docs
> ---------------------------------------
>
> Key: COUCHDB-2978
> URL: https://issues.apache.org/jira/browse/COUCHDB-2978
> Project: CouchDB
> Issue Type: Bug
> Components: HTTP Interface
> Reporter: Nolan Lawson
> Priority: Blocker
> Fix For: 1.7.0
>
>
> CouchDB re-uses the same ETags for _local documents even when the content of
> the _local document has changed, meaning that clients who cache based on the
> ETag may end up with permanently stale content. To reproduce the bug, it's
> simply:
> 1. Create a _local doc
> 2. Fetch the doc, ETag is "0-1"
> 3. Delete the database (or the _local doc)
> 4. Recreate the database (or the _local doc), insert a *changed* _local doc
> 5. Fetch the doc, ETag is still "0-1" and therefore the client may end up
> with a stale version.
> Here are related issues in PouchDB and WebKit for further details:
> - [PouchDB bug|https://github.com/pouchdb/pouchdb/issues/5010]
> - [WebKit bug|https://bugs.webkit.org/show_bug.cgi?id=156048]
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