java/net/httpclient/SmokeTest.java failed with timeout intermittently

----------System.out:(26/1261)----------
HTTP server port = 35724
HTTPS server port = 24667
Proxy port = 34180
java.util.concurrent.ThreadPoolExecutor@4b951a26[Running, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
test1: http://127.0.0.1:35724/files/foo.txt OK
test1: http://127.0.0.1:35724/files/foo.txt OK
test1: https://127.0.0.1:24667/files/foo.txt OK
test1: https://127.0.0.1:24667/files/foo.txt OK
test2: http://127.0.0.1:35724/echo/foo OK
test2: https://127.0.0.1:24667/echo/foo OK
test2a: http://127.0.0.1:35724/echo/foo OK
test2a: https://127.0.0.1:24667/echo/foo OK
test3: http://127.0.0.1:35724/redirect/foo.txt (count: 2) (count: 2) OK
test3: https://127.0.0.1:24667/redirect/foo.txt (count: 2) (count: 2) OK
test4: http://127.0.0.1:35724/files/foo.txt OK
test4: https://127.0.0.1:24667/files/foo.txt OK
test5: http://127.0.0.1:35724/echo/foo OK
test5: https://127.0.0.1:24667/echo/foo OK
test5: http://127.0.0.1:35724/echo/foo OK
test5: https://127.0.0.1:24667/echo/foo OK
test6: http://127.0.0.1:35724/echo/foo OK
test6: https://127.0.0.1:24667/echo/foo OK
test6: http://127.0.0.1:35724/echo/foo OK
test6: https://127.0.0.1:24667/echo/foo OK
test7: http://127.0.0.1:35724/keepalive/fooPorts: 41399, 41404, 41405, 41406
Timeout signalled after 600 seconds