0000135: Range requests may overlap, may be unordered

Mantis - Resin
Viewing Issue Advanced Details

ID:	Category:	Severity:	Reproducibility:	Date Submitted:	Last Update:
135		minor	always	05-04-05 00:00	05-10-05 00:00

Reporter:	sam	Platform:
Assigned To:		OS:
Priority:	high	OS Version:
Status:	closed	Product Version:	3.0.12
Product Build:	3.0.12	Resolution:	unable to reproduce
Projection:	none
ETA:	none	Fixed in Version:	3.0.13

Summary:	0000135: Range requests may overlap, may be unordered
Description:	RSN-126 (rep by C Braunstein) The Adobe acrobat client makes Range requests that are not ordered, and may overlap. This may result from the Distiller option of "Optimize for fast web viewing" In particular, the first request in the log below has a third range that overlaps the first two ranges, and the last request has 27 unordered ranges specified in a single request. The http spec does not require that the ranges are ordered, and specifically gives an example of an overlapping range: " Several legal but not canonical specifications of the second 500 bytes (byte offsets 500-999, inclusive): bytes=500-600,601-999 bytes=500-700,601-999 " [17:30:38.697] [7] GET /hogwarts/gryffindor/pdf/400/4A40E69B6E4A6A2753FCEB57E729F5F 6.pdf HTTP/1.1 [17:30:38.697] [7] Accept: / [17:30:38.697] [7] Range: bytes=471883-472998, 474989-475608, 36616-72859 [17:30:38.697] [7] Accept-Encoding: gzip, deflate ; SV1) [17:30:38.697] [7] User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1 ; SV1) [17:30:38.697] [7] Host: new.knovel.com [17:30:38.697] [7] Connection: Keep-Alive [17:30:38.697] [7] Cache-Control: no-cache [17:30:38.697] [7] Cookie: JSESSIONID=3Nbxsx_CNX6jVtuF [17:30:38.697] using cache: /hogwarts/gryffindor/pdf/400/4A40E69B6E4A6A2753FCEB57E7 29F5F6.pdf [17:30:38.697] [7] HTTP/1.1 206 Partial Content [17:30:38.697] [7] ETag: "EM4v8VOLS/l" [17:30:38.697] [7] Last-Modified: Mon, 07 Feb 2005 19:48:23 GMT [17:30:38.697] [7] Accept-Ranges: bytes [17:30:38.697] [7] Cache-Control: max-age=86400 [17:30:38.697] [7] Expires: Tue, 03 May 2005 21:30:38 GMT [17:30:38.697] [7] Content-Type: multipart/byteranges; boundary=--98+eNEaORBt [17:30:38.697] [7] Transfer-Encoding: chunked [17:30:38.697] [7] chunk: 93 [17:30:38.697] [7] chunk: 95 [17:30:38.697] [7] chunk: 93 [17:30:38.775] [7] chunk: 21 [17:30:38.947] [7] keepalive 6.pdf HTTP/1.1 [17:30:39.479] [7] GET /hogwarts/gryffindor/pdf/400/4A40E69B6E4A6A2753FCEB57E729F5F 6.pdf HTTP/1.1 [17:30:39.479] [7] Accept: / [17:30:39.479] [7] Range: bytes=470335-471882 [17:30:39.479] [7] Accept-Encoding: gzip, deflate ; SV1) [17:30:39.479] [7] User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1 ; SV1) [17:30:39.479] [7] Host: new.knovel.com [17:30:39.479] [7] Connection: Keep-Alive [17:30:39.479] [7] Cache-Control: no-cache [17:30:39.479] [7] Cookie: JSESSIONID=3Nbxsx_CNX6jVtuF [17:30:39.479] using cache: /hogwarts/gryffindor/pdf/400/4A40E69B6E4A6A2753FCEB57E7 29F5F6.pdf [17:30:39.479] [7] HTTP/1.1 206 Partial Content [17:30:39.479] [7] ETag: "EM4v8VOLS/l" [17:30:39.479] [7] Last-Modified: Mon, 07 Feb 2005 19:48:23 GMT [17:30:39.479] [7] Accept-Ranges: bytes [17:30:39.479] [7] Cache-Control: max-age=86400 [17:30:39.479] [7] Expires: Tue, 03 May 2005 21:30:39 GMT [17:30:39.479] [7] Content-Range: bytes 470335-471882/475609 [17:30:39.479] [7] Content-Type: application/pdf [17:30:39.479] [7] Content-Length: 1548 [17:30:39.479] [7] keepalive [17:30:39.557] [7] GET /hogwarts/gryffindor/pdf/400/4A40E69B6E4A6A2753FCEB57E729F5F 6.pdf HTTP/1.1 [17:30:39.557] [7] Accept: / [17:30:39.557] [7] Range: bytes=473971-474988, 473969-473970, 461472-462758, 462 759-463993, 467144-468420, 465917-467143, 464192-465454, 463994-464191, 72860-73091, 73092-102629, 102630-104675, 459982-461262, 461263-461471, 104676-107445, 107446-112985, 112986-115755, 465659-465916, 465455-465658, 115756-121295, 468421-469644, 469645-469885, 121296-146955, 146956-149465, 149466-152699, 152700-155933, 469886-470334, 155934-198703 [17:30:39.557] [7] Accept-Encoding: gzip, deflate ; SV1) [17:30:39.557] [7] User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1 ; SV1) [17:30:39.557] [7] Host: new.knovel.com [17:30:39.557] [7] Connection: Keep-Alive [17:30:39.557] [7] Cache-Control: no-cache [17:30:39.557] [7] Cookie: JSESSIONID=3Nbxsx_CNX6jVtuF [17:30:39.557] using cache: /hogwarts/gryffindor/pdf/400/4A40E69B6E4A6A2753FCEB57E7 29F5F6.pdf [17:30:39.557] [7] HTTP/1.1 206 Partial Content [17:30:39.557] [7] ETag: "EM4v8VOLS/l" [17:30:39.557] [7] Last-Modified: Mon, 07 Feb 2005 19:48:23 GMT [17:30:39.557] [7] Accept-Ranges: bytes [17:30:39.557] [7] Cache-Control: max-age=86400 [17:30:39.557] [7] Expires: Tue, 03 May 2005 21:30:39 GMT [17:30:39.557] [7] Content-Type: multipart/byteranges; boundary=--4zxUUUhwupA [17:30:39.557] [7] Transfer-Encoding: chunked [17:30:39.557] [7] chunk: 93 [17:30:39.557] [7] chunk: 95 [17:30:39.557] [7] chunk: 95 [17:30:39.557] [7] chunk: 95 [17:30:39.557] [7] chunk: 95 [17:30:39.557] [7] chunk: 95 [17:30:39.557] [7] chunk: 95 [17:30:39.557] [7] chunk: 95 [17:30:39.557] [7] chunk: 93 [17:30:39.557] [7] chunk: 94 [17:30:39.619] [7] chunk: 95 [17:30:39.619] [7] chunk: 95 [17:30:39.619] [7] chunk: 95 [17:30:39.619] [7] chunk: 95 [17:30:39.619] [7] chunk: 95 [17:30:39.791] [7] chunk: 95 [17:30:39.791] [7] chunk: 95 [17:30:39.791] [7] chunk: 95 [17:30:39.791] [7] chunk: 95 [17:30:39.791] [7] chunk: 95 [17:30:39.791] [7] chunk: 95 [17:30:39.791] [7] chunk: 95 [17:30:39.947] [7] chunk: 95 [17:30:39.947] [7] chunk: 95 [17:30:39.947] [7] chunk: 95 [17:30:39.947] [7] chunk: 95 [17:30:39.947] [7] chunk: 95 [17:30:40.979] [7] chunk: 21 [17:30:41.088] [7] keepalive [17:30:50.541] closing connection TcpConnection[id=resin-tcp-connection-*:80-17, socket=JniSocketImpl$18360202[60555872],port=Port[null:80]], total=7
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