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* Fix problem where known missing assets would stop save oar ever completing

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* Issue was that region server was silently dropping an XmlException caused by trying to deserialize the blank asset service response
* So make asset service return http status NOT FOUND rather than OK in accordance with REST
* and interpret this correctly in the async response so that a null object is sent back
* This means that this fix won't be active until both region simulator and server reach this revision
This commit is contained in:
Justin Clarke Casey
2009-06-05 16:14:22 +00:00
parent bfea077508
commit 593942b195
3 changed files with 59 additions and 15 deletions
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62
OpenSim/Framework/Servers/HttpServer/AsynchronousRestObjectRequester.cs
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@@ -38,7 +38,7 @@ namespace OpenSim.Framework.Servers.HttpServer
{
public class AsynchronousRestObjectRequester
{
//private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
/// <summary>
/// Perform an asynchronous REST request.
@@ -56,7 +56,7 @@ namespace OpenSim.Framework.Servers.HttpServer
public static void MakeRequest<TRequest, TResponse>(string verb,
string requestUrl, TRequest obj, Action<TResponse> action)
{
//m_log.DebugFormat("[ASYNC REQUEST]: Starting {0} on {1}", verb, requestUrl);
// m_log.DebugFormat("[ASYNC REQUEST]: Starting {0} {1}", verb, requestUrl);
Type type = typeof (TRequest);
@@ -114,21 +114,61 @@ namespace OpenSim.Framework.Servers.HttpServer
request.BeginGetResponse(delegate(IAsyncResult res2)
{
response = request.EndGetResponse(res2);
try
{
// If the server returns a 404, this appears to trigger a System.Net.WebException even though that isn't
// documented in MSDN
response = request.EndGetResponse(res2);
try
{
deserial = (TResponse)deserializer.Deserialize(response.GetResponseStream());
}
catch (System.InvalidOperationException)
{
}
}
catch (WebException e)
{
if (e.Status == WebExceptionStatus.ProtocolError)
{
if (e.Response is HttpWebResponse)
{
HttpWebResponse httpResponse = (HttpWebResponse)e.Response;
if (httpResponse.StatusCode != HttpStatusCode.NotFound)
{
// We don't appear to be handling any other status codes, so log these feailures to that
// people don't spend unnecessary hours hunting phantom bugs.
m_log.DebugFormat(
"[ASYNC REQUEST]: Request {0} {1} failed with unexpected status code {2}",
verb, requestUrl, httpResponse.StatusCode);
}
}
}
else
{
m_log.ErrorFormat("[ASYNC REQUEST]: Request {0} {1} failed with exception {2}", verb, requestUrl, e);
}
}
catch (Exception e)
{
m_log.ErrorFormat("[ASYNC REQUEST]: Request {0} {1} failed with exception {2}", verb, requestUrl, e);
}
// m_log.DebugFormat("[ASYNC REQUEST]: Received {0}", deserial.ToString());
try
{
deserial = (TResponse) deserializer.Deserialize(
response.GetResponseStream());
action(deserial);
}
catch (System.InvalidOperationException)
catch (Exception e)
{
m_log.ErrorFormat(
"[ASYNC REQUEST]: Request {0} {1} callback failed with exception {2}", verb, requestUrl, e);
}
// m_log.DebugFormat("[ASYNC REQUEST]: Received {0}", deserial.ToString());
action(deserial);
}, null);
}, null);
}
}
}