[Webkit-unassigned] [Bug 159166] New: LayoutTests intermittently failing to run due to issues starting Web Platform Test server

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=159166

            Bug ID: 159166
           Summary: LayoutTests intermittently failing to run due to
                    issues starting Web Platform Test server
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com

This has been happening intermittently across Mac testers for the past 2 days or so.

https://build.webkit.org/builders/Apple%20El%20Capitan%20Release%20WK2%20(Tests)/builds/7160
https://build.webkit.org/builders/Apple%20Yosemite%20Release%20WK1%20(Tests)/builds/15787/

12:52:04.076 91713 Starting Web Platform Test server ...
12:52:04.083 91713 Copying WebKit resources files
12:52:04.084 91713 Copying WebKit web platform server config.json
12:52:05.096 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:05.096 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:06.104 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:06.104 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:07.112 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:07.112 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:08.114 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:08.114 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:09.123 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:09.123 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:10.129 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:10.129 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:11.141 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:11.141 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:12.146 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:12.146 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:13.158 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:13.158 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:14.162 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:14.162 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:15.165 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:15.165 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:16.177 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:16.177 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:17.179 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:17.179 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:18.181 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:18.181 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:19.193 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:19.194 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:20.196 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:20.197 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:21.208 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:21.208 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:22.212 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:22.212 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:23.215 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:23.216 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:24.226 91713 Server NOT running on 49001: [Errno 61] Connection refused
12:52:24.226 91713 Waiting for action: <bound method WebPlatformTestServer._is_server_running_on_all_ports of <webkitpy.layout_tests.servers.web_platform_test_server.WebPlatformTestServer object at 0x111e34890>>
12:52:25.231 91713 Stopping wptwk server
12:52:25.231 91713 Cleaning WPT resources files
12:52:25.233 91713 Cleaning WPT web platform server config.json
12:52:25.234 91713 Flushing stdout
12:52:25.234 91713 Flushing stderr
12:52:25.234 91713 Stopping helper
12:52:25.234 91713 Stopping LayoutTestHelper
12:52:25.240 91713 Cleaning up port

ServerError raised: Failed to start wptwk server
Traceback (most recent call last):
  File "/Volumes/Data/slave/elcapitan-release-tests-wk2/build/Tools/Scripts/webkitpy/layout_tests/run_webkit_tests.py", line 77, in main
    run_details = run(port, options, args, stderr)
  File "/Volumes/Data/slave/elcapitan-release-tests-wk2/build/Tools/Scripts/webkitpy/layout_tests/run_webkit_tests.py", line 409, in run
    run_details = manager.run(args)
  File "/Volumes/Data/slave/elcapitan-release-tests-wk2/build/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py", line 203, in run
    int(self._options.child_processes), retrying=False)
  File "/Volumes/Data/slave/elcapitan-release-tests-wk2/build/Tools/Scripts/webkitpy/layout_tests/controllers/manager.py", line 262, in _run_tests
    return self._runner.run_tests(self._expectations, test_inputs, tests_to_skip, num_workers, needs_http, needs_websockets, needs_web_platform_test_server, retrying)
  File "/Volumes/Data/slave/elcapitan-release-tests-wk2/build/Tools/Scripts/webkitpy/layout_tests/controllers/layout_test_runner.py", line 111, in run_tests
    self.start_servers()
  File "/Volumes/Data/slave/elcapitan-release-tests-wk2/build/Tools/Scripts/webkitpy/layout_tests/controllers/layout_test_runner.py", line 199, in start_servers
    self._port.start_web_platform_test_server()
  File "/Volumes/Data/slave/elcapitan-release-tests-wk2/build/Tools/Scripts/webkitpy/port/base.py", line 952, in start_web_platform_test_server
    self._web_platform_test_server.start()
  File "/Volumes/Data/slave/elcapitan-release-tests-wk2/build/Tools/Scripts/webkitpy/layout_tests/servers/http_server_base.py", line 95, in start
    raise ServerError('Failed to start %s server' % self._name)
ServerError: Failed to start wptwk server

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