EIPSocketError Invalid Length

Hello, I’m using D2007, DA 6.0.47.841 and TROIPHTTPServer

In addition to this exception:

I catched this exception in production system two times:

exception class : EIPSocketError
exception message : Invalid length.

thread $130 (TIPSocketWorkerThread):
0087e8e3 +05b server.exe uIPAsyncSocket 326 +9 TIPBaseAsyncSocket.BeginReceive
00880963 +21b server.exe uIPAsyncHttpServer 240 +32 TIPAsyncContext.cbHeaderLine
0087e79e +0ba server.exe uIPAsyncSocket 300 +13 TIPBaseAsyncSocket.BeginReadLine
0088085d +115 server.exe uIPAsyncHttpServer 226 +18 TIPAsyncContext.cbHeaderLine
0087e79e +0ba server.exe uIPAsyncSocket 300 +13 TIPBaseAsyncSocket.BeginReadLine
008806f2 +12e server.exe uIPAsyncHttpServer 200 +24 TIPAsyncContext.cbFirstLine
0087eda3 +0bb server.exe uIPAsyncSocket 515 +18 TIPBaseAsyncSocket.ReadLineCallback
00880028 +320 server.exe uIPAsyncSocket 930 +65 TIPSocketWorkerThread.IntExecute
0053bc1a +02a server.exe uROClasses 2614 +5 TROInitializedThread.Execute
0046323b +02b server.exe madExcept HookedTThreadExecute
0048d8dc +034 server.exe Classes ThreadProc
00405cb8 +028 server.exe System 1044 +0 ThreadWrapper
0046311d +00d server.exe madExcept CallThreadProcSafe
00463187 +037 server.exe madExcept ThreadExceptFrame

Thanks in advance.

I also need a testcase for this issue.
you have wanted to try your project with the latest DA version. was it successful?