[OSRM-talk] Fwd: Help

Daniel Patterson daniel at mapbox.com
Thu Dec 7 17:07:55 UTC 2017


Hi Mohamed,

  The OSRM demo server sits behind a CloudFront (https://aws.amazon.com/
cloudfront/) CDN - Cloudfront has a limit of 8192 bytes for HTTP GET
requests (complete HTTP header size, including GET line).  The "Bad
Request" is coming from CloudFront, not OSRM.

  You should round down the coordinates you're passing in - your longitude
value of 2.4169650999999703
<http://router.project-osrm.org/route/v1/driving/2.378146000000015,48.8660493;2.3964144999999917,48.85112950000001;2.378146000000015,48.8660493;2.384737399999949,48.8541038;2.378146000000015,48.8660493;2.3765604000000167,48.8601135;2.378146000000015,48.8660493;2.3851995999999644,48.88287709999999;2.378146000000015,48.8660493;2.396190299999944,48.8806376;2.378146000000015,48.8660493;2.37285339999994,48.8665961;2.378146000000015,48.8660493;2.360494000000017,48.866345;2.378146000000015,48.8660493;2.360494000000017,48.866345;2.378146000000015,48.8660493;2.3466575999999577,48.87327879999999;2.378146000000015,48.8660493;2.400372100000027,48.8679642;2.378146000000015,48.8660493;2.4169650999999703,48.8660905;2.378146000000015,48.8660493;2.4144400000000132,48.8756607;2.3964144999999917,48.85112950000001;2.378146000000015,48.8660493;2.3964144999999917,48.85112950000001;2.384737399999949,48.8541038;2.3964144999999917,48.85112950000001;2.3765604000000167,48.8601135;2.3964144999999917,48.85112950000001;2.3851995999999644,48.88287709999999;2.3964144999999917,48.85112950000001;2.396190299999944,48.8806376;2.3964144999999917,48.85112950000001;2.37285339999994,48.8665961;2.3964144999999917,48.85112950000001;2.360494000000017,48.866345;2.3964144999999917,48.85112950000001;2.360494000000017,48.866345;2.3964144999999917,48.85112950000001;2.3466575999999577,48.87327879999999;2.3964144999999917,48.85112950000001;2.400372100000027,48.8679642;2.3964144999999917,48.85112950000001;2.4169650999999703,48.8660905;2.3964144999999917,48.85112950000001;2.4144400000000132,48.8756607;2.384737399999949,48.8541038;2.378146000000015,48.8660493;2.384737399999949,48.8541038;2.3964144999999917,48.85112950000001;2.384737399999949,48.8541038;2.3765604000000167,48.8601135;2.384737399999949,48.8541038;2.3851995999999644,48.88287709999999;2.384737399999949,48.8541038;2.396190299999944,48.8806376;2.384737399999949,48.8541038;2.37285339999994,48.8665961;2.384737399999949,48.8541038;2.360494000000017,48.866345;2.384737399999949,48.8541038;2.360494000000017,48.866345;2.384737399999949,48.8541038;2.3466575999999577,48.87327879999999;2.384737399999949,48.8541038;2.400372100000027,48.8679642;2.384737399999949,48.8541038;2.4169650999999703,48.8660905;2.384737399999949,48.8541038;2.4144400000000132,48.8756607;2.3765604000000167,48.8601135;2.378146000000015,48.8660493;2.3765604000000167,48.8601135;2.3964144999999917,48.85112950000001;2.3765604000000167,48.8601135;2.384737399999949,48.8541038;2.3765604000000167,48.8601135;2.3851995999999644,48.88287709999999;2.3765604000000167,48.8601135;2.396190299999944,48.8806376;2.3765604000000167,48.8601135;2.37285339999994,48.8665961;2.3765604000000167,48.8601135;2.360494000000017,48.866345;2.3765604000000167,48.8601135;2.360494000000017,48.866345;2.3765604000000167,48.8601135;2.3466575999999577,48.87327879999999;2.3765604000000167,48.8601135;2.400372100000027,48.8679642;2.3765604000000167,48.8601135;2.4169650999999703,48.8660905;2.3765604000000167,48.8601135;2.4144400000000132,48.8756607;2.3851995999999644,48.88287709999999;2.378146000000015,48.8660493;2.3851995999999644,48.88287709999999;2.3964144999999917,48.85112950000001;2.3851995999999644,48.88287709999999;2.384737399999949,48.8541038;2.3851995999999644,48.88287709999999;2.3765604000000167,48.8601135;2.3851995999999644,48.88287709999999;2.396190299999944,48.8806376;2.3851995999999644,48.88287709999999;2.37285339999994,48.8665961;2.3851995999999644,48.88287709999999;2.360494000000017,48.866345;2.3851995999999644,48.88287709999999;2.360494000000017,48.866345;2.3851995999999644,48.88287709999999;2.3466575999999577,48.87327879999999;2.3851995999999644,48.88287709999999;2.400372100000027,48.8679642;2.3851995999999644,48.88287709999999;2.4169650999999703,48.8660905;2.3851995999999644,48.88287709999999;2.4144400000000132,48.8756607;2.396190299999944,48.8806376;2.378146000000015,48.8660493;2.396190299999944,48.8806376;2.3964144999999917,48.85112950000001;2.396190299999944,48.8806376;2.384737399999949,48.8541038;2.396190299999944,48.8806376;2.3765604000000167,48.8601135;2.396190299999944,48.8806376;2.3851995999999644,48.88287709999999;2.396190299999944,48.8806376;2.37285339999994,48.8665961;2.396190299999944,48.8806376;2.360494000000017,48.866345;2.396190299999944,48.8806376;2.360494000000017,48.866345;2.396190299999944,48.8806376;2.3466575999999577,48.87327879999999;2.396190299999944,48.8806376;2.400372100000027,48.8679642;2.396190299999944,48.8806376;2.4169650999999703,48.8660905;2.396190299999944,48.8806376;2.4144400000000132,48.8756607;2.37285339999994,48.8665961;2.378146000000015,48.8660493;2.37285339999994,48.8665961;2.3964144999999917,48.85112950000001;2.37285339999994,48.8665961;2.384737399999949,48.8541038;2.37285339999994,48.8665961;2.3765604000000167,48.8601135;2.37285339999994,48.8665961;2.3851995999999644,48.88287709999999;2.37285339999994,48.8665961;2.396190299999944,48.8806376;2.37285339999994,48.8665961;2.360494000000017,48.866345;2.37285339999994,48.8665961;2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is
precise to to the picometer - I suspect you don't actually have coordinates
that acurate.  Try rounding the values to 6 decimal places (6 decimal
places is apprixmately 10cm precise, see https://en.wikipedia.org/
wiki/Decimal_degrees)

  Shortening the deicmal values will save you some bytes in the request and
get it under the 8192 byte limit.

daniel
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