The following issue has been updated:
Updater: Brett Porter (mailto:[EMAIL PROTECTED])
Date: Fri, 7 May 2004 8:31 PM
Comment:
waiting for Wagon integration
Changes:
Fix Version changed to 1.1
Fix Version changed from 1.0-rc3
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View the issue:
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Here is an overview of the issue:
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Key: MAVEN-1188
Summary: SNAPSHOT downloading subject to race conditions
Type: Bug
Status: Open
Priority: Major
Original Estimate: Unknown
Time Spent: Unknown
Remaining: Unknown
Project: maven
Components:
core
Fix Fors:
1.1
Assignee: Brett Porter
Reporter: Ben Walding
Created: Thu, 4 Mar 2004 8:58 PM
Updated: Fri, 7 May 2004 8:31 PM
Description:
When downloading snapshots, we use the If-Modified-Since header. The rules for this
header state (from the http1.1 spec)
14.25 If-Modified-Since
...
a) If the request would normally result in anything other than a
200 (OK) status, or if the passed If-Modified-Since date is
invalid, the response is exactly the same as for a normal GET.
A date which is later than the server's current time is
invalid.
Note the last line : "A date which is later than the server's current time is invalid."
Now if you just built a snapshot in one project, then move onto another that uses it,
there is a chance
that your If-Modified-Since header is ahead of ibiblio / your upstream server.
Thus, the full SNAPSHOT is downloaded over the top of the existing one - even though
the
upstream server is in fact serving up an older copy of the snapshot.
I've tested this on hogshead vs. ibiblio and it is what is causing the problem -
hogshead time was
30 minutes faster than ibiblio, so my fresh snapshots were getting overwritten by
ibiblio's old one.
(hogshead was sending a header that was in the future to ibiblio - and thus ignored).
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