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        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - REGRESSION(r201679): http/tests/websocket/tests/hybi/upgrade-simple-ws.html is flaky (Requested by ap on #webkit)."
   href="https://bugs.webkit.org/show_bug.cgi?id=158480">158480</a>
          </td>
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        <tr>
          <th>Summary</th>
          <td>REGRESSION(r201679): http/tests/websocket/tests/hybi/upgrade-simple-ws.html is flaky (Requested by ap on #webkit).
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>WebKit Nightly Build
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Unspecified
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>WebCore Misc.
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned&#64;lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>bfulgham&#64;webkit.org
          </td>
        </tr></table>
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        <pre>Investigate the cause of flakiness in the WebSocket upgrade code path:

Test: http/tests/websocket/tests/hybi/upgrade-simple-ws.html

The test is a flaky failure on El Capitan and iOS simulator. It is failing and crashing on Windows.

Recent failure:
&lt;<a href="https://build.webkit.org/builders/Apple%20El%20Capitan%20Debug%20WK1%20(Tests)/builds/5721">https://build.webkit.org/builders/Apple%20El%20Capitan%20Debug%20WK1%20(Tests)/builds/5721</a>&gt;

Flakiness dashboard:
&lt;<a href="https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=http%2Ftests%2Fwebsocket%2Ftests%2Fhybi%2Fupgrade-simple-ws.html">https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=http%2Ftests%2Fwebsocket%2Ftests%2Fhybi%2Fupgrade-simple-ws.html</a>&gt;

--- /Volumes/Data/slave/ios-simulator-9-release-tests-wk2/build/layout-test-results/http/tests/websocket/tests/hybi/upgrade-simple-ws-expected.txt
+++ /Volumes/Data/slave/ios-simulator-9-release-tests-wk2/build/layout-test-results/http/tests/websocket/tests/hybi/upgrade-simple-ws-actual.txt
&#64;&#64; -4,8 +4,4 &#64;&#64;

 Created a socket to 'wss://127.0.0.1:9323/websocket/tests/hybi/simple'; readyState 0.
 The 'ws' protocol should be upgraded to 'wss'. If this happens, we will connect properly and the test will succeed.
-Connected; readyState 1
-Resolved URL: wss://127.0.0.1:9323/websocket/tests/hybi/simple
-Received: 'Hello from Simple WSH.'; readyState 1
-Closed; readyState 3.</pre>
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