Flaky test: org.eclipse.jetty.client.ConnectionPoolTest

[gregw]

Fails frequently when built from the command line:

[INFO] Running org.eclipse.jetty.client.ConnectionPoolTest
2018-05-16 13:03:00.158:INFO:oejs.Server:main: jetty-9.4.11-SNAPSHOT; built: 2018-05-16T02:51:18.393Z; git: d8795350a4c102ea8ee4e9661a04d8ee3f1cdf17; jvm 9.0.1+11
2018-05-16 13:03:00.163:INFO:oejs.AbstractConnector:main: Started ServerConnector@53a645a2{HTTP/1.1,[http/1.1]}{0.0.0.0:45683}
2018-05-16 13:03:00.163:INFO:oejs.Server:main: Started @154400ms
1024 requests in 663 ms, 1544.495 req/s
1024 requests in 667 ms, 1535.232 req/s
1024 requests in 670 ms, 1528.358 req/s
1024 requests in 671 ms, 1526.080 req/s
1024 requests in 682 ms, 1501.466 req/s
1024 requests in 690 ms, 1484.058 req/s
1024 requests in 691 ms, 1481.910 req/s
1024 requests in 701 ms, 1460.770 req/s
1024 requests in 567 ms, 1805.996 req/s
1024 requests in 549 ms, 1865.209 req/s
1024 requests in 584 ms, 1753.425 req/s
1024 requests in 611 ms, 1675.941 req/s
1024 requests in 589 ms, 1738.540 req/s
1024 requests in 620 ms, 1651.613 req/s
1024 requests in 632 ms, 1620.253 req/s
1024 requests in 633 ms, 1617.694 req/s
1024 requests in 537 ms, 1906.890 req/s
1024 requests in 512 ms, 2000.000 req/s
1024 requests in 559 ms, 1831.843 req/s
1024 requests in 529 ms, 1935.728 req/s
1024 requests in 547 ms, 1872.029 req/s
1024 requests in 563 ms, 1818.828 req/s
1024 requests in 543 ms, 1885.820 req/s
1024 requests in 527 ms, 1943.074 req/s
1024 requests in 496 ms, 2064.516 req/s
1024 requests in 491 ms, 2085.540 req/s
1024 requests in 488 ms, 2098.361 req/s
1024 requests in 473 ms, 2164.905 req/s
1024 requests in 471 ms, 2174.098 req/s
1024 requests in 481 ms, 2128.898 req/s
1024 requests in 451 ms, 2270.510 req/s
1024 requests in 480 ms, 2133.333 req/s
2018-05-16 13:03:02.490:INFO:oejs.AbstractConnector:main: Stopped ServerConnector@53a645a2{HTTP/1.1,[http/1.1]}{0.0.0.0:0}
2018-05-16 13:03:02.491:INFO:oejs.Server:main: jetty-9.4.11-SNAPSHOT; built: 2018-05-16T02:51:18.393Z; git: d8795350a4c102ea8ee4e9661a04d8ee3f1cdf17; jvm 9.0.1+11
2018-05-16 13:03:02.492:INFO:oejs.AbstractConnector:main: Started ServerConnector@403f6c04{HTTP/1.1,[http/1.1]}{0.0.0.0:42065}
2018-05-16 13:03:02.492:INFO:oejs.Server:main: Started @156729ms
1024 requests in 461 ms, 2221.258 req/s
1024 requests in 471 ms, 2174.098 req/s
1024 requests in 482 ms, 2124.481 req/s
1024 requests in 496 ms, 2064.516 req/s
1024 requests in 508 ms, 2015.748 req/s
1024 requests in 520 ms, 1969.231 req/s
1024 requests in 521 ms, 1965.451 req/s
1024 requests in 534 ms, 1917.603 req/s
1024 requests in 434 ms, 2359.447 req/s
1024 requests in 437 ms, 2343.249 req/s
1024 requests in 439 ms, 2332.574 req/s
1024 requests in 425 ms, 2409.412 req/s
1024 requests in 430 ms, 2381.395 req/s
1024 requests in 430 ms, 2381.395 req/s
1024 requests in 447 ms, 2290.828 req/s
1024 requests in 447 ms, 2290.828 req/s
1024 requests in 383 ms, 2673.629 req/s
1024 requests in 389 ms, 2632.391 req/s
1024 requests in 429 ms, 2386.946 req/s
1024 requests in 430 ms, 2381.395 req/s
1024 requests in 413 ms, 2479.419 req/s
1024 requests in 410 ms, 2497.561 req/s
1024 requests in 407 ms, 2515.971 req/s
1024 requests in 404 ms, 2534.653 req/s
1024 requests in 388 ms, 2639.175 req/s
1024 requests in 391 ms, 2618.926 req/s
1024 requests in 390 ms, 2625.641 req/s
1024 requests in 380 ms, 2694.737 req/s
1024 requests in 372 ms, 2752.688 req/s
1024 requests in 353 ms, 2900.850 req/s
1024 requests in 367 ms, 2790.191 req/s
1024 requests in 346 ms, 2959.538 req/s
2018-05-16 13:03:04.227:INFO:oejs.AbstractConnector:main: Stopped ServerConnector@403f6c04{HTTP/1.1,[http/1.1]}{0.0.0.0:0}
[ERROR] Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 4.077 s <<< FAILURE! - in org.eclipse.jetty.client.ConnectionPoolTest
[ERROR] test[1](org.eclipse.jetty.client.ConnectionPoolTest)  Time elapsed: 1.741 s  <<< FAILURE!
java.lang.AssertionError: [java.util.concurrent.ExecutionException: java.nio.channels.AsynchronousCloseException, java.util.concurrent.ExecutionException: java.nio.channels.AsynchronousCloseException, java.util.concurrent.ExecutionException: java.nio.channels.AsynchronousCloseException]
	at org.eclipse.jetty.client.ConnectionPoolTest.test(ConnectionPoolTest.java:145)