KIJ000700 - Panic in Nokia S60 3rd Edition, FP1 devices if the Set-Cookie header is empty

Panic in Nokia S60 3rd Edition, FP1 devices if the Set-Cookie header is empty		KIJ000700
Overview	-
Category	Java
Subcategory	Networking
Reported against	S60 3rd Edition, FP1
Date identified	July 4, 2007
Symptoms	-
Detailed description	On Nokia S60 3rd Edition, FP1 phones and emulator, the USER 44 or USER 45 panic is thrown while connecting to a remote server. The error is based on low-level parsing of the response which is caused by an empty Set-Cookie property in the header. If the header is removed or set to a non-empty string, no panic is raised and the application works fine.
How to reproduce	Build a dummy servlet with the Set-Cookie header set to an empty string: protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String test="Testing..."; response.setContentType(content_type); int length = test.getBytes().length; response.setContentLength(length); response.setHeader("Set-Cookie", ""); PrintWriter out = response.getWriter(); out.println(test); out.close(); }
Solution	Do not leave the Set-Cookie header empty. Set-Cookie: \r\n -- crash Set-Cookie: foo\r\n -- no crash Set-Cookie: foo=bar\r\n -- no crash

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