server RouteManager threading: MapCtx parameters cleared and replaced with
empty parameters
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Key: ABDERA-294
URL: https://issues.apache.org/jira/browse/ABDERA-294
Project: Abdera
Issue Type: Bug
Affects Versions: 1.1.2
Environment: Abdera 1.1.2
Reporter: Bob Fields
Fix For: 1.2
The hrefParams map is cleared and then subsequent requests not properly routed.
Our problem doesn't occur on load, but rather occurs sometime after when two
requests hit cleanMapCtx in the right timing to have one clear out the map as
the other is grabbing the entry set, resulting in the second thread doing a
clear but having nothing to put back in. Then all subsequent requests don't
get routed properly.
This is similar to https://issues.apache.org/jira/browse/ABDERA-95 and
https://issues.apache.org/jira/browse/ABDERA-276 but does not occur under load,
just with two threads.
In the comments for that issue, there's a mention of a fix by using the code
from an earlier version. I haven't tested the code mentioned from 0.4.0, but
from looking at it the hrefParams isn't being modified, so that would seem to
solve our problem as well. I'm attaching the diff for the fix that we used,
which was to return the new map instance with the cleaned keys instead of
altering and returning the hrefParams.
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