Issue #1422 YTS-614: Avoid crash due to error during POST request transform. (cherry picked from commit fad1f6ed353d332ce505306f462e9f90be00a6ad)
Issue #1422
YTS-614: Avoid crash due to error during POST request transform.
(cherry picked from commit fad1f6ed353d332ce505306f462e9f90be00a6ad)

YTSATS-677: Improved fix, cleaner HttpSM shutdown.
(cherry picked from commit 7a94c1547afdf1243e47b32b207c30f405fbd6a4)

bryancall/trafficserver,davidbz/trafficserver,duke8253/trafficserver,reveller/trafficserver,rpufky/trafficserver,rpufky/trafficserver,chenglongwei/trafficserver,dyrock/trafficserver,vmamidi/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,chenglongwei/trafficserver,PSUdaemon/trafficserver,rahmalik/trafficserver,dyrock/trafficserver,taoyunxing/trafficserver,chitianhao/trafficserver,clearswift/trafficserver,duke8253/trafficserver,taoyunxing/trafficserver,persiaAziz/trafficserver,clearswift/trafficserver,SolidWallOfCode/trafficserver,davidbz/trafficserver,taoyunxing/trafficserver,dyrock/trafficserver,chitianhao/trafficserver,vmamidi/trafficserver,reveller/trafficserver,duke8253/trafficserver,davidbz/trafficserver,duke8253/trafficserver,rpufky/trafficserver,persiaAziz/trafficserver,chitianhao/trafficserver,vmamidi/trafficserver,PSUdaemon/trafficserver,pbchou/trafficserver,rpufky/trafficserver,davidbz/trafficserver,clearswift/trafficserver,rpufky/trafficserver,bryancall/trafficserver,persiaAziz/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,chenglongwei/trafficserver,pbchou/trafficserver,rahmalik/trafficserver,PSUdaemon/trafficserver,rahmalik/trafficserver,clearswift/trafficserver,SolidWallOfCode/trafficserver,PSUdaemon/trafficserver,PSUdaemon/trafficserver,SolidWallOfCode/trafficserver,taoyunxing/trafficserver,dyrock/trafficserver,taoyunxing/trafficserver,pbchou/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,taoyunxing/trafficserver,reveller/trafficserver,dyrock/trafficserver,chenglongwei/trafficserver,persiaAziz/trafficserver,rpufky/trafficserver,reveller/trafficserver,taoyunxing/trafficserver,duke8253/trafficserver,rpufky/trafficserver,rahmalik/trafficserver,taoyunxing/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,reveller/trafficserver,chenglongwei/trafficserver,clearswift/trafficserver,duke8253/trafficserver,clearswift/trafficserver,clearswift/trafficserver,bryancall/trafficserver,clearswift/trafficserver,persiaAziz/trafficserver,reveller/trafficserver,rahmalik/trafficserver,bryancall/trafficserver,chitianhao/trafficserver,reveller/trafficserver,PSUdaemon/trafficserver,bryancall/trafficserver,rahmalik/trafficserver,PSUdaemon/trafficserver,rahmalik/trafficserver,chenglongwei/trafficserver,persiaAziz/trafficserver,davidbz/trafficserver,vmamidi/trafficserver,pbchou/trafficserver,dyrock/trafficserver,persiaAziz/trafficserver,dyrock/trafficserver,davidbz/trafficserver,clearswift/trafficserver,chenglongwei/trafficserver,reveller/trafficserver,rpufky/trafficserver,taoyunxing/trafficserver,rahmalik/trafficserver,bryancall/trafficserver,chitianhao/trafficserver,persiaAziz/trafficserver,reveller/trafficserver,rahmalik/trafficserver,vmamidi/trafficserver,PSUdaemon/trafficserver,PSUdaemon/trafficserver,chenglongwei/trafficserver,chitianhao/trafficserver