[thredds] Proxy Error with large aggregation FMRC on Tomcat7/TDS 4.2.9

Thredds Folk,
I upgraded my server to Tomcat7/TDS4.2.9 and now I'm getting some
problems with large aggregations (specifically, and FMRC with 1500

When I restart tomcat and try to access the "best time series" dataset
for the first time, I get:

"Proxy Error: The proxy server received an invalid response from an
upstream server.
The proxy server could not handle the request GET
Reason: Error reading from remote server"

If I then try to access the best time series again, it works.

I'm curious whether others are seeing this and what the problem is.

In the featureCollectionScan.log, I see this:

[2011-11-21T09:50:32.117-0500] INFO
thredds.inventory.CollectionUpdater: Schedule startup scan for
olderThan='10 min', recheckAfter='null'
 UpdateConfig{startup=true, rescan='0 30 6 * * ? *', triggerOk=true}
 ProtoConfig{choice=Penultimate, change='null', param='null',
outerNcml='[Element: <netcdf [Namespace:
 FmrcConfig: regularize=false datasetTypes=[Best]} at Mon Nov 21
09:51:02 EST 2011

Does that look okay?

Dr. Richard P. Signell   (508) 457-2229
USGS, 384 Woods Hole Rd.
Woods Hole, MA 02543-1598

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