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new problem REST query 10.1 - every other request fails (400 unable to complete oper)

Question asked by ceicher on Dec 13, 2012
Latest reply on Feb 12, 2016 by myESRIUName
Hi

We are upgrading to ArcGIS Server 10.1 SP1 from 10.0.

We have noticed a new problem where REST layer queries are failing every other request. It is quite strange, but you can reproduce it by simply reissuing requests in browser or Fiddler.

Here is an example request (can use &f=html also, same result).

http://serverx/arcgis/rest/services/foldery/servicez/MapServer/0/query?where=%28%28KeyInstn+in+%28103036%29%29%29&text=&objectIds=&time=&geometry=&geometryType=esriGeometryEnvelope&inSR=&spatialRel=esriSpatialRelIntersects&relationParam=&outFields=&returnGeometry=true&maxAllowableOffset=&geometryPrecision=&outSR=102100&returnIdsOnly=false&returnCountOnly=false&orderByFields=&groupByFieldsForStatistics=&outStatistics=&returnZ=false&returnM=false&gdbVersion=&returnDistinctValues=false&f=json

Every other request fails with this result (json):

{"error":{"code":400,"message":"Unable to complete operation.","details":[]}}

Clue:I started looking this while tracking down possible change to how ESRI is treating OutputFields in 10.1 compared to 10.0.

Anybody else seeing this?

Any recommendations on where to check next to narrow this one down?

Thanks,

-Cory

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