Can't execute query on geocoding service

I'm building Flex 3 application and I have a geocoding service (http://.../GeocodeServer) on a ArcGIS server (ESRI). I'm trying to execute a query on this service in order to retrieve some

informations.

Unfortunately, when I execute the query, I get this error : [RPC Fault faultString="" faultCode="400" faultDetail="Inva开发者_JAVA百科lid URL"]

It's definitely not the URL that is invalid since my locator uses it without any problem. What could possibly the cause of this?

Thank you.

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Have you tried executing against the URL using something like CURL or even in your browser. Please make sure those work first.

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Simple answer after all.

Esri GeoCoding services aren't able to answer queries.