diff -r a2a70ce3d4e8 -r 5f1cd966e0d9 applayerpluginsandutils/httpprotocolplugins/httpclient/chttprequestbatcher.cpp
--- a/applayerpluginsandutils/httpprotocolplugins/httpclient/chttprequestbatcher.cpp	Thu Jul 15 19:14:59 2010 +0300
+++ b/applayerpluginsandutils/httpprotocolplugins/httpclient/chttprequestbatcher.cpp	Thu Aug 19 10:27:19 2010 +0300
@@ -68,12 +68,25 @@
 #if defined (_DEBUG) && defined (_LOGGING)
 		__FLOG_0(_T8("!! Send the first request i.e. not batching"));
 #endif
-
+	
+	// This function will be called when the request is sent first time on a newly
+	// opened connection. So no need to mark it as sending...
 	iOutputStream->SendDataReqL(aBuffer);
 	}
 
 void CHttpRequestBatcher::SendRequestsBatchedL(const TDesC8& aBuffer)
 	{
+	if(iSendingRequest) 
+		{
+		// The batcher is not having enough data [batching buffer size] size
+		// available. It would have been requested the supplier to provide more data.
+		// By the time the timer would have been expired and the batcher would have been sent the data.
+		// Before the notificaiton of the confirmation of data is sent the supplier can give more data
+		// to the batcher which will make the batcher to send the data again and double RSocket :: Send
+		// will cause the panic.. At this point the excess data will be empty
+		iExcessData.Set(aBuffer);
+		return; // Dont send the data here. Send once the confirmation of previous send has received
+		}
 	StartTimer();
 
 	BatchRequestsL(aBuffer);
@@ -106,6 +119,7 @@
 #endif
 
 		// Send the request with a filled-up buffer
+		iSendingRequest = ETrue;
 		iOutputStream->SendDataReqL(iDataToSend);
 
 		// Save the excess data from this request
@@ -188,6 +202,7 @@
 
 void CHttpRequestBatcher::SendDataCnfL()
 	{
+	iSendingRequest = EFalse; // Confirmation of data send has received. reset the flag
 	// If this is the first request send a confirmation to the observer that the data
 	// has been sent and then set the function pointer to the SendRequestBatched() method.
 	if (iFuncPtr == &CHttpRequestBatcher::SendRequestImmediatelyL)
@@ -235,6 +250,7 @@
 		// It's possible that the excess data is larger than the maximum allowable size of the buffer in
 		// which case this excess data is used to fill up another buffer and a request made.
 		iDataToSend.Append(iExcessData.Left(iMaxBufferSize));
+		iSendingRequest = ETrue;
 		iOutputStream->SendDataReqL(iDataToSend);
 		iExcessData.Set(iExcessData.Mid(iMaxBufferSize));
 		}
@@ -290,6 +306,7 @@
 #endif
 
 		// Timer has completed before the buffer has been filled, therefore send the request now.
+		iSendingRequest = ETrue;
 		iOutputStream->SendDataReqL(iDataToSend);
 		}
 	iTimerCompleted = ETrue;