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EncryptedXml_DecryptedEncodedDtd times out (after fix) #131638
Description
Build Information
Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1532560
Build error leg or test failing: System.Security.Cryptography.Xml.Tests.EncryptedXmlTests.EncryptedXml_DecryptedEncodedDtd_WithExactTransformChainLimit
Pull request: #131567
Error Message
DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
Fill the error message using step by step known issues guidance.
{
"ErrorPattern": ["System\\.Security\\.Cryptography\\.Xml\\.Tests\\.EncryptedXmlTests.EncryptedXml_DecryptedEncodedDtd.*\\[FAIL\\]", "Microsoft\\.DotNet\\.RemoteExecutor\\.RemoteExecutionException : Half-way through waiting for remote process."],
"BuildRetry": false,
"ExcludeConsoleLog": false
}Known issue validation
Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1532560
Error message validated: [System\.Security\.Cryptography\.Xml\.Tests\.EncryptedXmlTests.EncryptedXml_DecryptedEncodedDtd.*\[FAIL\] Microsoft\.DotNet\.RemoteExecutor\.RemoteExecutionException : Half-way through waiting for remote process.]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 7/31/2026 12:04:48 PM UTC
Report
Summary
| 24-Hour Hit Count | 7-Day Hit Count | 1-Month Count |
|---|---|---|
| 9 | 37 | 39 |
Activity
mrek-msft commentedon Jul 31, 2026
We still have timeout-like failures on
release/8.0-stagingandrelease/9.0-stagingfrom DecryptedEncodedDtd tests even after backporting fix #131091 to both.dotnet-policy-service commentedon Jul 31, 2026
Tagging subscribers to this area: @bartonjs, @vcsjones, @dotnet/area-system-security
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JulieLeeMSFT commentedon Aug 6, 2026
@eiriktsarpalis, this test is failing massively every day. Can we disable the test while we wait for the fix?
Disable timing out EncryptedXml encoded-DTD tests (#131955)
jkotas commentedon Aug 7, 2026
The test is disabled with ActiveIssue.
vcsjones commentedon Aug 7, 2026
@eiriktsarpalis I suspect we are going to need to backport that ActiveIssue. Many of that failures are in
release/branches.Disable timing out EncryptedXml encoded-DTD tests (dotnet#131955)
jeffhandley commentedon Aug 16, 2026
This was backported to release/8.0-staging, release/9.0-staging, and release/10.0. Once code flows into release/8.0 and release/9.0, it should go quiet.
Moving the issue into .NET 12 for proper resolution.