[Release/8.0] Fix handling exceptions on shutdown - #101915

Merged
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown
Jun 10, 2024
Merged

[Release/8.0] Fix handling exceptions on shutdown#101915
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown

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Another partial backport of #100293 to release/8.0

Customer Impact

A recent partial backport of a change to enable propagating exceptions on shutdown was missing two places in the code that were under a different condition than the global exception handling disabling that was removed. I must have made a mistake when testing that change (not setting watson registry settings properly or using a stale build). This change makes it work correctly.
During the runtime shutdown, we stop handling exceptions at all and we also prevent entering EE at few places. A customer has hit an issue with Watson dump being generated from a .NET app on every machine reboot due to that. That app was a networking app that was listening on a socket. Shutdown of the app resulted in a SocketException being thrown, but the exception handling was prevented and so the exception was reported as an unhandled exception which caused the dump to be taken.

Testing

CI testing, local testing of a case equivalent to what the customer had - a grpc running as a service. Without the fix the issue reported by the customer can be reproduced, with the fix it is gone.

Risk

Low - the change just enables exceptions handling during shutdown. So where previously the app would crash with an unhandled exception, it will now get proper handling of that exception upto the point the process is torn down by the OS.

A recent partial backport of a change to enable propagating exceptions
on shutdown was missing two places in the code that were under a
different condition than the global exception handling disabling that
was removed. I must have made a mistake when testing that change (not
setting watson registry settings properly or using a stale build).
This change makes it work correctly.
@janvorlijanvorli added Servicing-consider Issue for next servicing release review area-ExceptionHandling-coreclr only use for closed issues labels May 6, 2024
@janvorlijanvorli added this to the 8.0.x milestone May 6, 2024
@janvorli
janvorli requested a review from jkotasMay 6, 2024 12:38
@janvorlijanvorli self-assigned this May 6, 2024

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lgtm. we will take for consideration in 8.0.x. please get a code review

@leecowleecow added Servicing-approved Approved for servicing release and removed Servicing-consider Issue for next servicing release review labels May 21, 2024
@leecowleecow modified the milestones: 8.0.x, 8.0.7May 21, 2024
@jeffschwMSFT
jeffschwMSFT merged commit 188b412 into dotnet:release/8.0-stagingJun 10, 2024
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@janvorli@jkotas@jeffschwMSFT@AaronRobinsonMSFT@leecow
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n 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;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} 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

[Release/8.0] Fix handling exceptions on shutdown - #101915

Merged
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown
Jun 10, 2024
Merged

[Release/8.0] Fix handling exceptions on shutdown#101915
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown

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@janvorli

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Another partial backport of #100293 to release/8.0

Customer Impact

A recent partial backport of a change to enable propagating exceptions on shutdown was missing two places in the code that were under a different condition than the global exception handling disabling that was removed. I must have made a mistake when testing that change (not setting watson registry settings properly or using a stale build). This change makes it work correctly.
During the runtime shutdown, we stop handling exceptions at all and we also prevent entering EE at few places. A customer has hit an issue with Watson dump being generated from a .NET app on every machine reboot due to that. That app was a networking app that was listening on a socket. Shutdown of the app resulted in a SocketException being thrown, but the exception handling was prevented and so the exception was reported as an unhandled exception which caused the dump to be taken.

Testing

CI testing, local testing of a case equivalent to what the customer had - a grpc running as a service. Without the fix the issue reported by the customer can be reproduced, with the fix it is gone.

Risk

Low - the change just enables exceptions handling during shutdown. So where previously the app would crash with an unhandled exception, it will now get proper handling of that exception upto the point the process is torn down by the OS.

A recent partial backport of a change to enable propagating exceptions
on shutdown was missing two places in the code that were under a
different condition than the global exception handling disabling that
was removed. I must have made a mistake when testing that change (not
setting watson registry settings properly or using a stale build).
This change makes it work correctly.
@janvorlijanvorli added Servicing-consider Issue for next servicing release review area-ExceptionHandling-coreclr only use for closed issues labels May 6, 2024
@janvorlijanvorli added this to the 8.0.x milestone May 6, 2024
@janvorli
janvorli requested a review from jkotasMay 6, 2024 12:38
@janvorlijanvorli self-assigned this May 6, 2024

@jeffschwMSFTjeffschwMSFT left a comment

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lgtm. we will take for consideration in 8.0.x. please get a code review

@leecowleecow added Servicing-approved Approved for servicing release and removed Servicing-consider Issue for next servicing release review labels May 21, 2024
@leecowleecow modified the milestones: 8.0.x, 8.0.7May 21, 2024
@jeffschwMSFT
jeffschwMSFT merged commit 188b412 into dotnet:release/8.0-stagingJun 10, 2024
@github-actionsgithub-actionsBot locked and limited conversation to collaborators Jul 11, 2024
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@janvorli@jkotas@jeffschwMSFT@AaronRobinsonMSFT@leecow
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

[Release/8.0] Fix handling exceptions on shutdown - #101915

Merged
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown
Jun 10, 2024
Merged

[Release/8.0] Fix handling exceptions on shutdown#101915
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown

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Another partial backport of #100293 to release/8.0

Customer Impact

A recent partial backport of a change to enable propagating exceptions on shutdown was missing two places in the code that were under a different condition than the global exception handling disabling that was removed. I must have made a mistake when testing that change (not setting watson registry settings properly or using a stale build). This change makes it work correctly.
During the runtime shutdown, we stop handling exceptions at all and we also prevent entering EE at few places. A customer has hit an issue with Watson dump being generated from a .NET app on every machine reboot due to that. That app was a networking app that was listening on a socket. Shutdown of the app resulted in a SocketException being thrown, but the exception handling was prevented and so the exception was reported as an unhandled exception which caused the dump to be taken.

Testing

CI testing, local testing of a case equivalent to what the customer had - a grpc running as a service. Without the fix the issue reported by the customer can be reproduced, with the fix it is gone.

Risk

Low - the change just enables exceptions handling during shutdown. So where previously the app would crash with an unhandled exception, it will now get proper handling of that exception upto the point the process is torn down by the OS.

A recent partial backport of a change to enable propagating exceptions
on shutdown was missing two places in the code that were under a
different condition than the global exception handling disabling that
was removed. I must have made a mistake when testing that change (not
setting watson registry settings properly or using a stale build).
This change makes it work correctly.
@janvorlijanvorli added Servicing-consider Issue for next servicing release review area-ExceptionHandling-coreclr only use for closed issues labels May 6, 2024
@janvorlijanvorli added this to the 8.0.x milestone May 6, 2024
@janvorli
janvorli requested a review from jkotasMay 6, 2024 12:38
@janvorlijanvorli self-assigned this May 6, 2024

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lgtm. we will take for consideration in 8.0.x. please get a code review

@leecowleecow added Servicing-approved Approved for servicing release and removed Servicing-consider Issue for next servicing release review labels May 21, 2024
@leecowleecow modified the milestones: 8.0.x, 8.0.7May 21, 2024
@jeffschwMSFT
jeffschwMSFT merged commit 188b412 into dotnet:release/8.0-stagingJun 10, 2024
@github-actionsgithub-actionsBot locked and limited conversation to collaborators Jul 11, 2024
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@janvorli@jkotas@jeffschwMSFT@AaronRobinsonMSFT@leecow
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

[Release/8.0] Fix handling exceptions on shutdown - #101915

Merged
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown
Jun 10, 2024
Merged

[Release/8.0] Fix handling exceptions on shutdown#101915
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown

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@janvorli

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Another partial backport of #100293 to release/8.0

Customer Impact

A recent partial backport of a change to enable propagating exceptions on shutdown was missing two places in the code that were under a different condition than the global exception handling disabling that was removed. I must have made a mistake when testing that change (not setting watson registry settings properly or using a stale build). This change makes it work correctly.
During the runtime shutdown, we stop handling exceptions at all and we also prevent entering EE at few places. A customer has hit an issue with Watson dump being generated from a .NET app on every machine reboot due to that. That app was a networking app that was listening on a socket. Shutdown of the app resulted in a SocketException being thrown, but the exception handling was prevented and so the exception was reported as an unhandled exception which caused the dump to be taken.

Testing

CI testing, local testing of a case equivalent to what the customer had - a grpc running as a service. Without the fix the issue reported by the customer can be reproduced, with the fix it is gone.

Risk

Low - the change just enables exceptions handling during shutdown. So where previously the app would crash with an unhandled exception, it will now get proper handling of that exception upto the point the process is torn down by the OS.

A recent partial backport of a change to enable propagating exceptions
on shutdown was missing two places in the code that were under a
different condition than the global exception handling disabling that
was removed. I must have made a mistake when testing that change (not
setting watson registry settings properly or using a stale build).
This change makes it work correctly.
@janvorlijanvorli added Servicing-consider Issue for next servicing release review area-ExceptionHandling-coreclr only use for closed issues labels May 6, 2024
@janvorlijanvorli added this to the 8.0.x milestone May 6, 2024
@janvorli
janvorli requested a review from jkotasMay 6, 2024 12:38
@janvorlijanvorli self-assigned this May 6, 2024

@jeffschwMSFTjeffschwMSFT left a comment

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lgtm. we will take for consideration in 8.0.x. please get a code review

@leecowleecow added Servicing-approved Approved for servicing release and removed Servicing-consider Issue for next servicing release review labels May 21, 2024
@leecowleecow modified the milestones: 8.0.x, 8.0.7May 21, 2024
@jeffschwMSFT
jeffschwMSFT merged commit 188b412 into dotnet:release/8.0-stagingJun 10, 2024
@github-actionsgithub-actionsBot locked and limited conversation to collaborators Jul 11, 2024
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5 participants

@janvorli@jkotas@jeffschwMSFT@AaronRobinsonMSFT@leecow
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } 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

[Release/8.0] Fix handling exceptions on shutdown - #101915

Merged
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown
Jun 10, 2024
Merged

[Release/8.0] Fix handling exceptions on shutdown#101915
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown

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Another partial backport of #100293 to release/8.0

Customer Impact

A recent partial backport of a change to enable propagating exceptions on shutdown was missing two places in the code that were under a different condition than the global exception handling disabling that was removed. I must have made a mistake when testing that change (not setting watson registry settings properly or using a stale build). This change makes it work correctly.
During the runtime shutdown, we stop handling exceptions at all and we also prevent entering EE at few places. A customer has hit an issue with Watson dump being generated from a .NET app on every machine reboot due to that. That app was a networking app that was listening on a socket. Shutdown of the app resulted in a SocketException being thrown, but the exception handling was prevented and so the exception was reported as an unhandled exception which caused the dump to be taken.

Testing

CI testing, local testing of a case equivalent to what the customer had - a grpc running as a service. Without the fix the issue reported by the customer can be reproduced, with the fix it is gone.

Risk

Low - the change just enables exceptions handling during shutdown. So where previously the app would crash with an unhandled exception, it will now get proper handling of that exception upto the point the process is torn down by the OS.

A recent partial backport of a change to enable propagating exceptions
on shutdown was missing two places in the code that were under a
different condition than the global exception handling disabling that
was removed. I must have made a mistake when testing that change (not
setting watson registry settings properly or using a stale build).
This change makes it work correctly.
@janvorlijanvorli added Servicing-consider Issue for next servicing release review area-ExceptionHandling-coreclr only use for closed issues labels May 6, 2024
@janvorlijanvorli added this to the 8.0.x milestone May 6, 2024
@janvorli
janvorli requested a review from jkotasMay 6, 2024 12:38
@janvorlijanvorli self-assigned this May 6, 2024

@jeffschwMSFTjeffschwMSFT left a comment

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lgtm. we will take for consideration in 8.0.x. please get a code review

@leecowleecow added Servicing-approved Approved for servicing release and removed Servicing-consider Issue for next servicing release review labels May 21, 2024
@leecowleecow modified the milestones: 8.0.x, 8.0.7May 21, 2024
@jeffschwMSFT
jeffschwMSFT merged commit 188b412 into dotnet:release/8.0-stagingJun 10, 2024
@github-actionsgithub-actionsBot locked and limited conversation to collaborators Jul 11, 2024
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@janvorli@jkotas@jeffschwMSFT@AaronRobinsonMSFT@leecow
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

[Release/8.0] Fix handling exceptions on shutdown - #101915

Merged
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown
Jun 10, 2024
Merged

[Release/8.0] Fix handling exceptions on shutdown#101915
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown

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Another partial backport of #100293 to release/8.0

Customer Impact

A recent partial backport of a change to enable propagating exceptions on shutdown was missing two places in the code that were under a different condition than the global exception handling disabling that was removed. I must have made a mistake when testing that change (not setting watson registry settings properly or using a stale build). This change makes it work correctly.
During the runtime shutdown, we stop handling exceptions at all and we also prevent entering EE at few places. A customer has hit an issue with Watson dump being generated from a .NET app on every machine reboot due to that. That app was a networking app that was listening on a socket. Shutdown of the app resulted in a SocketException being thrown, but the exception handling was prevented and so the exception was reported as an unhandled exception which caused the dump to be taken.

Testing

CI testing, local testing of a case equivalent to what the customer had - a grpc running as a service. Without the fix the issue reported by the customer can be reproduced, with the fix it is gone.

Risk

Low - the change just enables exceptions handling during shutdown. So where previously the app would crash with an unhandled exception, it will now get proper handling of that exception upto the point the process is torn down by the OS.

A recent partial backport of a change to enable propagating exceptions
on shutdown was missing two places in the code that were under a
different condition than the global exception handling disabling that
was removed. I must have made a mistake when testing that change (not
setting watson registry settings properly or using a stale build).
This change makes it work correctly.
@janvorlijanvorli added Servicing-consider Issue for next servicing release review area-ExceptionHandling-coreclr only use for closed issues labels May 6, 2024
@janvorlijanvorli added this to the 8.0.x milestone May 6, 2024
@janvorli
janvorli requested a review from jkotasMay 6, 2024 12:38
@janvorlijanvorli self-assigned this May 6, 2024

@jeffschwMSFTjeffschwMSFT left a comment

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lgtm. we will take for consideration in 8.0.x. please get a code review

@leecowleecow added Servicing-approved Approved for servicing release and removed Servicing-consider Issue for next servicing release review labels May 21, 2024
@leecowleecow modified the milestones: 8.0.x, 8.0.7May 21, 2024
@jeffschwMSFT
jeffschwMSFT merged commit 188b412 into dotnet:release/8.0-stagingJun 10, 2024
@github-actionsgithub-actionsBot locked and limited conversation to collaborators Jul 11, 2024
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@janvorli@jkotas@jeffschwMSFT@AaronRobinsonMSFT@leecow
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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[Release/8.0] Fix handling exceptions on shutdown - #101915

Merged
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown
Jun 10, 2024
Merged

[Release/8.0] Fix handling exceptions on shutdown#101915
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown

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Another partial backport of #100293 to release/8.0

Customer Impact

A recent partial backport of a change to enable propagating exceptions on shutdown was missing two places in the code that were under a different condition than the global exception handling disabling that was removed. I must have made a mistake when testing that change (not setting watson registry settings properly or using a stale build). This change makes it work correctly.
During the runtime shutdown, we stop handling exceptions at all and we also prevent entering EE at few places. A customer has hit an issue with Watson dump being generated from a .NET app on every machine reboot due to that. That app was a networking app that was listening on a socket. Shutdown of the app resulted in a SocketException being thrown, but the exception handling was prevented and so the exception was reported as an unhandled exception which caused the dump to be taken.

Testing

CI testing, local testing of a case equivalent to what the customer had - a grpc running as a service. Without the fix the issue reported by the customer can be reproduced, with the fix it is gone.

Risk

Low - the change just enables exceptions handling during shutdown. So where previously the app would crash with an unhandled exception, it will now get proper handling of that exception upto the point the process is torn down by the OS.

A recent partial backport of a change to enable propagating exceptions
on shutdown was missing two places in the code that were under a
different condition than the global exception handling disabling that
was removed. I must have made a mistake when testing that change (not
setting watson registry settings properly or using a stale build).
This change makes it work correctly.
@janvorlijanvorli added Servicing-consider Issue for next servicing release review area-ExceptionHandling-coreclr only use for closed issues labels May 6, 2024
@janvorlijanvorli added this to the 8.0.x milestone May 6, 2024
@janvorli
janvorli requested a review from jkotasMay 6, 2024 12:38
@janvorlijanvorli self-assigned this May 6, 2024

@jeffschwMSFTjeffschwMSFT left a comment

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lgtm. we will take for consideration in 8.0.x. please get a code review

@leecowleecow added Servicing-approved Approved for servicing release and removed Servicing-consider Issue for next servicing release review labels May 21, 2024
@leecowleecow modified the milestones: 8.0.x, 8.0.7May 21, 2024
@jeffschwMSFT
jeffschwMSFT merged commit 188b412 into dotnet:release/8.0-stagingJun 10, 2024
@github-actionsgithub-actionsBot locked and limited conversation to collaborators Jul 11, 2024
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5 participants

@janvorli@jkotas@jeffschwMSFT@AaronRobinsonMSFT@leecow
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
Skip to content

[Release/8.0] Fix handling exceptions on shutdown - #101915

Merged
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown
Jun 10, 2024
Merged

[Release/8.0] Fix handling exceptions on shutdown#101915
jeffschwMSFT merged 1 commit into
dotnet:release/8.0-stagingfrom
janvorli:fix-8.0-exception-on-shutdown

Conversation

@janvorli

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Another partial backport of #100293 to release/8.0

Customer Impact

A recent partial backport of a change to enable propagating exceptions on shutdown was missing two places in the code that were under a different condition than the global exception handling disabling that was removed. I must have made a mistake when testing that change (not setting watson registry settings properly or using a stale build). This change makes it work correctly.
During the runtime shutdown, we stop handling exceptions at all and we also prevent entering EE at few places. A customer has hit an issue with Watson dump being generated from a .NET app on every machine reboot due to that. That app was a networking app that was listening on a socket. Shutdown of the app resulted in a SocketException being thrown, but the exception handling was prevented and so the exception was reported as an unhandled exception which caused the dump to be taken.

Testing

CI testing, local testing of a case equivalent to what the customer had - a grpc running as a service. Without the fix the issue reported by the customer can be reproduced, with the fix it is gone.

Risk

Low - the change just enables exceptions handling during shutdown. So where previously the app would crash with an unhandled exception, it will now get proper handling of that exception upto the point the process is torn down by the OS.

A recent partial backport of a change to enable propagating exceptions
on shutdown was missing two places in the code that were under a
different condition than the global exception handling disabling that
was removed. I must have made a mistake when testing that change (not
setting watson registry settings properly or using a stale build).
This change makes it work correctly.
@janvorlijanvorli added Servicing-consider Issue for next servicing release review area-ExceptionHandling-coreclr only use for closed issues labels May 6, 2024
@janvorlijanvorli added this to the 8.0.x milestone May 6, 2024
@janvorli
janvorli requested a review from jkotasMay 6, 2024 12:38
@janvorlijanvorli self-assigned this May 6, 2024

@jeffschwMSFTjeffschwMSFT left a comment

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lgtm. we will take for consideration in 8.0.x. please get a code review

@leecowleecow added Servicing-approved Approved for servicing release and removed Servicing-consider Issue for next servicing release review labels May 21, 2024
@leecowleecow modified the milestones: 8.0.x, 8.0.7May 21, 2024
@jeffschwMSFT
jeffschwMSFT merged commit 188b412 into dotnet:release/8.0-stagingJun 10, 2024
@github-actionsgithub-actionsBot locked and limited conversation to collaborators Jul 11, 2024
Sign up for freeto subscribe to this conversation on GitHub. Already have an account? Sign in.

Labels

area-ExceptionHandling-coreclronly use for closed issuesServicing-approvedApproved for servicing release

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Development

Successfully merging this pull request may close these issues.

5 participants

@janvorli@jkotas@jeffschwMSFT@AaronRobinsonMSFT@leecow