Add force recovery for balancer.
In case all balancer members were in error state 503
was returned until the recovery timeout expired.
The patch forces recovery in case all balancer members
are in error state regardless of recovery timeout
directive.
This fixes the time gap when 503 was returned and
backend was already up and running.

Submitted by: mturk
Reviewed by: jim, rpluem, jfclere


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     of the buckets read from the proxy backend. PR 45792 [Ruediger Pluem]



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     connectiontimeout and ping in milliseconds. 
     Trunk version of patch:
       http://svn.apache.org/viewvc?rev=705005&view=rev
       http://svn.apache.org/viewvc?rev=707022&view=rev
     Backport version for 2.2.x of patch:
       http://people.apache.org/~rpluem/patches/milli_seconds.diff
     +1: rpluem, pgollucci, jim



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Remove potential for memory leak... allocate on this
request which is now viable due to connection pooling.

Reviewed by: jim


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Avoid time traveling :)

Reviewed by: jim


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Holey moley. Marcus Burke noted this in Rich's Nuts/Bolts talk.
How embarassing! 

Reviewed by: jim


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Windows: Always build the odbc dbd driver on windows, 
to be consistent with the apr-util default.  
DBD_LIST is still used to build additional dbd drivers.


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AJP was dropping pre-existing cookies. Use same logic
as HTTP to tuck them away


* save_table needs to be declared first before it can be used.

Reviewed by: rpluem, jim, mturk


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Backport r696614 from truk

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ap_proxy_determine_connection modifies the url if we are retrying the result we should retry using the orginal url.

Submitted by: jfclere
Reviewed by: jim


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