SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI #115281

Closed
Closed
SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI#115281
Labels
Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
Milestone
10.0.0

Description

@stephentoub
stephentoub
opened on May 4, 2025

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
Build error leg or test failing: System.Net.Http.Functional.Tests.WorkItemExecution
Pull request: #111292

Error Message

Fill the error message using step by step known issues guidance.

{
"ErrorMessage": "[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly'",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
 System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:03:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:05:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:07:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:09:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:11:28
Killed

Known issue validation

Build: 🔎https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
Error message validated:
Result validation:
Validation performed at:

Report

Summary

24-Hour Hit Count7-Day Hit Count1-Month Count
000

Known issue validation

Build: 🔎https://dev.azure.com/dnceng-public/public/_build/results?buildId=1032909
Error message validated:[[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly']
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 5/6/2025 4:22:18 PM UTC

Report

Summary

24-Hour Hit Count7-Day Hit Count1-Month Count
000

Report

BuildDefinitionTestPull Request
1071616dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution#116429
1068851dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
1062021dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution

Summary

24-Hour Hit Count7-Day Hit Count1-Month Count
003

Metadata

Metadata

Assignees

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    Labels

    Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'

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      , 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
       blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

      Skip to content
      SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI #115281
      Closed
      Closed
      SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI#115281
      Labels
      Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
      Milestone
      10.0.0
      Description
      @stephentoub
      stephentoub
      opened on May 4, 2025
      Build Information
      Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
      
Build error leg or test failing: System.Net.Http.Functional.Tests.WorkItemExecution
      
Pull request: #111292
      Error Message
      Fill the error message using step by step known issues guidance.
      {
"ErrorMessage": "[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly'",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
       System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:03:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:05:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:07:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:09:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:11:28
Killed

      Known issue validation
      Build: 🔎https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
      Error message validated:
      Result validation:
      Validation performed at:
      Report
      Summary
      24-Hour Hit Count7-Day Hit Count1-Month Count
      000
      Known issue validation
      Build: 🔎https://dev.azure.com/dnceng-public/public/_build/results?buildId=1032909
      Error message validated:[[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly']
      Result validation: ✅ Known issue matched with the provided build.
      Validation performed at: 5/6/2025 4:22:18 PM UTC
      Report
      Summary
      24-Hour Hit Count7-Day Hit Count1-Month Count
      000
      Report
      BuildDefinitionTestPull Request
      1071616dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution#116429
      1068851dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
      1062021dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
      Summary
      24-Hour Hit Count7-Day Hit Count1-Month Count
      003
      Metadata
      Metadata
      Assignees
      No one assigned
        Labels
        Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
        Type
        No type
        Projects
        No projects
          Milestone
          Relationships
          None yet
          Development
          No branches or pull requests
          Issue actions
          
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

          Skip to content
          SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI #115281
          Closed
          Closed
          SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI#115281
          Labels
          Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
          Milestone
          10.0.0
          Description
          @stephentoub
          stephentoub
          opened on May 4, 2025
          Build Information
          Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
          
Build error leg or test failing: System.Net.Http.Functional.Tests.WorkItemExecution
          
Pull request: #111292
          Error Message
          Fill the error message using step by step known issues guidance.
          {
"ErrorMessage": "[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly'",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
           System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:03:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:05:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:07:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:09:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:11:28
Killed

          Known issue validation
          Build: 🔎https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
          Error message validated:
          Result validation:
          Validation performed at:
          Report
          Summary
          24-Hour Hit Count7-Day Hit Count1-Month Count
          000
          Known issue validation
          Build: 🔎https://dev.azure.com/dnceng-public/public/_build/results?buildId=1032909
          Error message validated:[[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly']
          Result validation: ✅ Known issue matched with the provided build.
          Validation performed at: 5/6/2025 4:22:18 PM UTC
          Report
          Summary
          24-Hour Hit Count7-Day Hit Count1-Month Count
          000
          Report
          BuildDefinitionTestPull Request
          1071616dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution#116429
          1068851dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
          1062021dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
          Summary
          24-Hour Hit Count7-Day Hit Count1-Month Count
          003
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
            Type
            No type
            Projects
            No projects
              Milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI #115281
              Closed
              Closed
              SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI#115281
              Labels
              Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
              Milestone
              10.0.0
              Description
              @stephentoub
              stephentoub
              opened on May 4, 2025
              Build Information
              Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
              
Build error leg or test failing: System.Net.Http.Functional.Tests.WorkItemExecution
              
Pull request: #111292
              Error Message
              Fill the error message using step by step known issues guidance.
              {
"ErrorMessage": "[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly'",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
               System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:03:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:05:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:07:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:09:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:11:28
Killed

              Known issue validation
              Build: 🔎https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
              Error message validated:
              Result validation:
              Validation performed at:
              Report
              Summary
              24-Hour Hit Count7-Day Hit Count1-Month Count
              000
              Known issue validation
              Build: 🔎https://dev.azure.com/dnceng-public/public/_build/results?buildId=1032909
              Error message validated:[[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly']
              Result validation: ✅ Known issue matched with the provided build.
              Validation performed at: 5/6/2025 4:22:18 PM UTC
              Report
              Summary
              24-Hour Hit Count7-Day Hit Count1-Month Count
              000
              Report
              BuildDefinitionTestPull Request
              1071616dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution#116429
              1068851dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
              1062021dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
              Summary
              24-Hour Hit Count7-Day Hit Count1-Month Count
              003
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
                Type
                No type
                Projects
                No projects
                  Milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions
                  
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

                  Skip to content
                  SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI #115281
                  Closed
                  Closed
                  SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI#115281
                  Labels
                  Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
                  Milestone
                  10.0.0
                  Description
                  @stephentoub
                  stephentoub
                  opened on May 4, 2025
                  Build Information
                  Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
                  
Build error leg or test failing: System.Net.Http.Functional.Tests.WorkItemExecution
                  
Pull request: #111292
                  Error Message
                  Fill the error message using step by step known issues guidance.
                  {
"ErrorMessage": "[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly'",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
                   System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:03:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:05:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:07:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:09:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:11:28
Killed

                  Known issue validation
                  Build: 🔎https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
                  Error message validated:
                  Result validation:
                  Validation performed at:
                  Report
                  Summary
                  24-Hour Hit Count7-Day Hit Count1-Month Count
                  000
                  Known issue validation
                  Build: 🔎https://dev.azure.com/dnceng-public/public/_build/results?buildId=1032909
                  Error message validated:[[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly']
                  Result validation: ✅ Known issue matched with the provided build.
                  Validation performed at: 5/6/2025 4:22:18 PM UTC
                  Report
                  Summary
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                  Report
                  BuildDefinitionTestPull Request
                  1071616dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution#116429
                  1068851dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
                  1062021dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
                  Summary
                  24-Hour Hit Count7-Day Hit Count1-Month Count
                  003
                  Metadata
                  Metadata
                  Assignees
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                    Labels
                    Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
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                    No type
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                    No projects
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                      None yet
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                      Skip to content
                      SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI #115281
                      Closed
                      Closed
                      SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI#115281
                      Labels
                      Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
                      Milestone
                      10.0.0
                      Description
                      @stephentoub
                      stephentoub
                      opened on May 4, 2025
                      Build Information
                      Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
                      
Build error leg or test failing: System.Net.Http.Functional.Tests.WorkItemExecution
                      
Pull request: #111292
                      Error Message
                      Fill the error message using step by step known issues guidance.
                      {
"ErrorMessage": "[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly'",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
                       System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:03:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:05:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:07:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:09:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:11:28
Killed

                      Known issue validation
                      Build: 🔎https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
                      Error message validated:
                      Result validation:
                      Validation performed at:
                      Report
                      Summary
                      24-Hour Hit Count7-Day Hit Count1-Month Count
                      000
                      Known issue validation
                      Build: 🔎https://dev.azure.com/dnceng-public/public/_build/results?buildId=1032909
                      Error message validated:[[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly']
                      Result validation: ✅ Known issue matched with the provided build.
                      Validation performed at: 5/6/2025 4:22:18 PM UTC
                      Report
                      Summary
                      24-Hour Hit Count7-Day Hit Count1-Month Count
                      000
                      Report
                      BuildDefinitionTestPull Request
                      1071616dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution#116429
                      1068851dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
                      1062021dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
                      Summary
                      24-Hour Hit Count7-Day Hit Count1-Month Count
                      003
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
                        Type
                        No type
                        Projects
                        No projects
                          Milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                          Skip to content
                          SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI #115281
                          Closed
                          Closed
                          SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI#115281
                          Labels
                          Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
                          Milestone
                          10.0.0
                          Description
                          @stephentoub
                          stephentoub
                          opened on May 4, 2025
                          Build Information
                          Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
                          
Build error leg or test failing: System.Net.Http.Functional.Tests.WorkItemExecution
                          
Pull request: #111292
                          Error Message
                          Fill the error message using step by step known issues guidance.
                          {
"ErrorMessage": "[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly'",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
                           System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:03:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:05:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:07:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:09:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:11:28
Killed

                          Known issue validation
                          Build: 🔎https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
                          Error message validated:
                          Result validation:
                          Validation performed at:
                          Report
                          Summary
                          24-Hour Hit Count7-Day Hit Count1-Month Count
                          000
                          Known issue validation
                          Build: 🔎https://dev.azure.com/dnceng-public/public/_build/results?buildId=1032909
                          Error message validated:[[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly']
                          Result validation: ✅ Known issue matched with the provided build.
                          Validation performed at: 5/6/2025 4:22:18 PM UTC
                          Report
                          Summary
                          24-Hour Hit Count7-Day Hit Count1-Month Count
                          000
                          Report
                          BuildDefinitionTestPull Request
                          1071616dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution#116429
                          1068851dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
                          1062021dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
                          Summary
                          24-Hour Hit Count7-Day Hit Count1-Month Count
                          003
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                              Skip to content
                              SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI #115281
                              Closed
                              Closed
                              SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly hung in CI#115281
                              Labels
                              Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
                              Milestone
                              10.0.0
                              Description
                              @stephentoub
                              stephentoub
                              opened on May 4, 2025
                              Build Information
                              Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
                              
Build error leg or test failing: System.Net.Http.Functional.Tests.WorkItemExecution
                              
Pull request: #111292
                              Error Message
                              Fill the error message using step by step known issues guidance.
                              {
"ErrorMessage": "[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly'",
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
                               System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:03:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:05:27
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:07:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:09:28
System.Net.Http.Functional.Tests: [Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly', Elapsed: 00:11:28
Killed

                              Known issue validation
                              Build: 🔎https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1032909
                              Error message validated:
                              Result validation:
                              Validation performed at:
                              Report
                              Summary
                              24-Hour Hit Count7-Day Hit Count1-Month Count
                              000
                              Known issue validation
                              Build: 🔎https://dev.azure.com/dnceng-public/public/_build/results?buildId=1032909
                              Error message validated:[[Long Running Test] 'System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientHandler_Http11_Cancellation_Test.GetAsync_CancelDuringResponseHeadersReceived_TaskCanceledQuickly']
                              Result validation: ✅ Known issue matched with the provided build.
                              Validation performed at: 5/6/2025 4:22:18 PM UTC
                              Report
                              Summary
                              24-Hour Hit Count7-Day Hit Count1-Month Count
                              000
                              Report
                              BuildDefinitionTestPull Request
                              1071616dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution#116429
                              1068851dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
                              1062021dotnet/runtimeSystem.Net.Http.Functional.Tests.WorkItemExecution
                              Summary
                              24-Hour Hit Count7-Day Hit Count1-Month Count
                              003
                              Metadata
                              Metadata
                              Assignees
                              No one assigned
                                Labels
                                Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Httpblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
                                Type
                                No type
                                Projects
                                No projects
                                  Milestone
                                  Relationships
                                  None yet
                                  Development
                                  No branches or pull requests
                                  Issue actions