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.NET: Improve Cosmos DB Emulator startup reliability - #3932

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westey (westey-m) merged 5 commits into
microsoft:mainfrom
TheovanKraay:cosmosdb-build-fix
Aug 31, 2026
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.NET: Improve Cosmos DB Emulator startup reliability#3932
westey (westey-m) merged 5 commits into
microsoft:mainfrom
TheovanKraay:cosmosdb-build-fix

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Motivation and Context

Description

Contribution Checklist

  • The code builds clean without any errors or warnings
  • The PR follows the Contribution Guidelines
  • All unit tests pass, and I have added new tests where possible
  • Is this a breaking change? If yes, add "[BREAKING]" prefix to the title of the PR.

Copilot AI review requested due to automatic review settings February 13, 2026 19:45
@markwallace-microsoft Mark Wallace (markwallace-microsoft) added the .NET Usage: [Issues, PRs], Target: .Net label Feb 13, 2026
@github-actions github-actions Bot changed the title Improve Cosmos DB Emulator startup reliability .NET: Improve Cosmos DB Emulator startup reliability Feb 13, 2026

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Pull request overview

This PR improves the reliability of Cosmos DB Emulator startup in GitHub Actions CI/CD workflows by implementing retry logic, extended timeouts, and better diagnostics. The changes address intermittent failures when starting the emulator during automated testing.

Changes:

  • Added comprehensive retry logic with up to 3 attempts and cleanup between retries
  • Increased timeout from 4 minutes to 10 minutes per attempt
  • Added detailed status monitoring and diagnostic logging
  • Included a trivial comment change to the C# file to trigger CosmosDB emulator testing

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 4 comments.

File Description
dotnet/src/Microsoft.Agents.AI.CosmosNoSql/CosmosChatHistoryProvider.cs Added comment to trigger CI/CD CosmosDB emulator testing
.github/workflows/dotnet-build-and-test.yml Enhanced Cosmos DB Emulator startup with retry logic, extended timeout, cleanup procedures, and diagnostic logging

Comment thread dotnet/src/Microsoft.Agents.AI.CosmosNoSql/CosmosChatHistoryProvider.cs Outdated
Comment thread .github/workflows/dotnet-build-and-test.yml
Comment thread .github/workflows/dotnet-build-and-test.yml
Comment thread .github/workflows/dotnet-build-and-test.yml
- Updated workflow structure to match new dotnet-build/dotnet-test split
- Integrated enhanced emulator startup with 600s timeout and 3 retries
- Updated environment variable to COSMOSDB_EMULATOR_AVAILABLE
- Preserved all reliability improvements from original PR
# Conflicts:
#	.github/workflows/dotnet-build-and-test.yml
@westey-m
westey (westey-m) added this pull request to the merge queue Aug 31, 2026
Merged via the queue into microsoft:main with commit 2955888 Aug 31, 2026
25 checks passed
This was referenced Aug 31, 2026
Mohammed Sanaullah (sanaullahmohammed) pushed a commit to sanaullahmohammed/NexusOps that referenced this pull request Sep 3, 2026
Updated
[Microsoft.Agents.AI](https://github.com/microsoft/agent-framework) from
1.19.0 to 1.20.0.

<details>
<summary>Release notes</summary>

_Sourced from [Microsoft.Agents.AI's
releases](https://github.com/microsoft/agent-framework/releases)._

## 1.20.0

## What's Changed
* .NET: Bump AWSSDK.Extensions.Bedrock.MEAI from 4.0.6.10 to 4.0.101.8
by @​dependabot[bot] in
microsoft/agent-framework#7829
* .NET: Stabilize Foundry recovery tests by @​rogerbarreto in
microsoft/agent-framework#7817
* .NET: fix: preserve Responses logprobs field by @​he-yufeng in
microsoft/agent-framework#5860
* .NET: Honor cancellation for Foundry-hosted workflow responses by
@​rogerbarreto with @​Copilot in
microsoft/agent-framework#7842
* .NET: Use Responses API for hosted web search in AG-UI by
@​rogerbarreto with @​Copilot in
microsoft/agent-framework#7843
* .NET: Bump Aspire.Hosting from 13.1.0 to 13.5.2 by @​dependabot[bot]
in microsoft/agent-framework#7826
* .NET: Suppress false positive Zip Slip alert by @​SergeyMenshykh in
microsoft/agent-framework#7858
* .NET: added Mem0Sharp integration for in-memory storage in agent
samples. by @​jihadkhawaja in
microsoft/agent-framework#7792
* .NET: Annotate DevUI aggregator static-analysis false positives by
@​SergeyMenshykh in
microsoft/agent-framework#7864
* .NET: Rename CommunityToolkit.VectorData.CosmosNoSql to AzureCosmosDB
by @​adamsitnik in
microsoft/agent-framework#7878
* .NET: chore: upgrades aspnet openapi dependency by @​baywet in
microsoft/agent-framework#7870
* .NET: Simplify A2A function tool samples by @​SergeyMenshykh in
microsoft/agent-framework#7861
* .NET: Bump Azure.AI.AgentServer.Invocations from 1.0.0-beta.5 to
1.0.0-beta.6 by @​dependabot[bot] in
microsoft/agent-framework#7886
* .NET: docs: updates the contributing information for CFS users by
@​baywet in microsoft/agent-framework#7869
* Bump CommunityToolkit.VectorData.InMemory from 1.0.0 to 1.0.1 by
@​dependabot[bot] in
microsoft/agent-framework#7888
* .NET: Remove retired OpenAI Assistants integration tests by
@​rogerbarreto in microsoft/agent-framework#7896
* .NET: Simplify A2A client-server sample by @​SergeyMenshykh in
microsoft/agent-framework#7891
* Bump Dapr.AI.Microsoft.Extensions from 1.18.4 to 1.18.5 by
@​dependabot[bot] in
microsoft/agent-framework#7889
* .NET: docs/workflow fileinput sample dotnet by @​baywet in
microsoft/agent-framework#7913
* .NET: Add timeout for wait-for-first-completion by @​westey-m in
microsoft/agent-framework#7911
* .NET: Fix duplicate Foundry AgentHost port binding by @​rogerbarreto
in microsoft/agent-framework#7932
* .NET: tests: removes dependency on fluent assersion because of
licensing concerns by @​baywet in
microsoft/agent-framework#7938
* .NET: docs(decisions): resolve duplicate ADR sequence numbers (0016,
0021, 0024) by @​jluocsa in
microsoft/agent-framework#6046
* .NET: Bump Azure.Core from 1.61.0 to 1.62.0 by @​dependabot[bot] in
microsoft/agent-framework#7954
* .NET: Improve Cosmos DB Emulator startup reliability by @​TheovanKraay
in microsoft/agent-framework#3932
* .NET: add public API analyzers by @​baywet in
microsoft/agent-framework#7935
* .NET: Update version for 1.20.0 release by @​SergeyMenshykh in
microsoft/agent-framework#7972

## New Contributors
* @​madanmishra1223 made their first contribution in
microsoft/agent-framework#7705
* @​YashvantHange made their first contribution in
microsoft/agent-framework#7850
* @​jihadkhawaja made their first contribution in
microsoft/agent-framework#7792
* @​adamsitnik made their first contribution in
microsoft/agent-framework#7878
* @​baywet made their first contribution in
microsoft/agent-framework#7870
* @​Namraa310806 made their first contribution in
microsoft/agent-framework#7901
* @​Sweetteabittersugar made their first contribution in
microsoft/agent-framework#7903
* @​shoemoney made their first contribution in
microsoft/agent-framework#7837
* @​jluocsa made their first contribution in
microsoft/agent-framework#6046

**Full Changelog**:
microsoft/agent-framework@dotnet-1.19.0...dotnet-1.20.0

Commits viewable in [compare
view](microsoft/agent-framework@dotnet-1.19.0...dotnet-1.20.0).
</details>

Updated
[Microsoft.Agents.AI.OpenAI](https://github.com/microsoft/agent-framework)
from 1.19.0 to 1.20.0.

<details>
<summary>Release notes</summary>

_Sourced from [Microsoft.Agents.AI.OpenAI's
releases](https://github.com/microsoft/agent-framework/releases)._

## 1.20.0

## What's Changed
* .NET: Bump AWSSDK.Extensions.Bedrock.MEAI from 4.0.6.10 to 4.0.101.8
by @​dependabot[bot] in
microsoft/agent-framework#7829
* .NET: Stabilize Foundry recovery tests by @​rogerbarreto in
microsoft/agent-framework#7817
* .NET: fix: preserve Responses logprobs field by @​he-yufeng in
microsoft/agent-framework#5860
* .NET: Honor cancellation for Foundry-hosted workflow responses by
@​rogerbarreto with @​Copilot in
microsoft/agent-framework#7842
* .NET: Use Responses API for hosted web search in AG-UI by
@​rogerbarreto with @​Copilot in
microsoft/agent-framework#7843
* .NET: Bump Aspire.Hosting from 13.1.0 to 13.5.2 by @​dependabot[bot]
in microsoft/agent-framework#7826
* .NET: Suppress false positive Zip Slip alert by @​SergeyMenshykh in
microsoft/agent-framework#7858
* .NET: added Mem0Sharp integration for in-memory storage in agent
samples. by @​jihadkhawaja in
microsoft/agent-framework#7792
* .NET: Annotate DevUI aggregator static-analysis false positives by
@​SergeyMenshykh in
microsoft/agent-framework#7864
* .NET: Rename CommunityToolkit.VectorData.CosmosNoSql to AzureCosmosDB
by @​adamsitnik in
microsoft/agent-framework#7878
* .NET: chore: upgrades aspnet openapi dependency by @​baywet in
microsoft/agent-framework#7870
* .NET: Simplify A2A function tool samples by @​SergeyMenshykh in
microsoft/agent-framework#7861
* .NET: Bump Azure.AI.AgentServer.Invocations from 1.0.0-beta.5 to
1.0.0-beta.6 by @​dependabot[bot] in
microsoft/agent-framework#7886
* .NET: docs: updates the contributing information for CFS users by
@​baywet in microsoft/agent-framework#7869
* Bump CommunityToolkit.VectorData.InMemory from 1.0.0 to 1.0.1 by
@​dependabot[bot] in
microsoft/agent-framework#7888
* .NET: Remove retired OpenAI Assistants integration tests by
@​rogerbarreto in microsoft/agent-framework#7896
* .NET: Simplify A2A client-server sample by @​SergeyMenshykh in
microsoft/agent-framework#7891
* Bump Dapr.AI.Microsoft.Extensions from 1.18.4 to 1.18.5 by
@​dependabot[bot] in
microsoft/agent-framework#7889
* .NET: docs/workflow fileinput sample dotnet by @​baywet in
microsoft/agent-framework#7913
* .NET: Add timeout for wait-for-first-completion by @​westey-m in
microsoft/agent-framework#7911
* .NET: Fix duplicate Foundry AgentHost port binding by @​rogerbarreto
in microsoft/agent-framework#7932
* .NET: tests: removes dependency on fluent assersion because of
licensing concerns by @​baywet in
microsoft/agent-framework#7938
* .NET: docs(decisions): resolve duplicate ADR sequence numbers (0016,
0021, 0024) by @​jluocsa in
microsoft/agent-framework#6046
* .NET: Bump Azure.Core from 1.61.0 to 1.62.0 by @​dependabot[bot] in
microsoft/agent-framework#7954
* .NET: Improve Cosmos DB Emulator startup reliability by @​TheovanKraay
in microsoft/agent-framework#3932
* .NET: add public API analyzers by @​baywet in
microsoft/agent-framework#7935
* .NET: Update version for 1.20.0 release by @​SergeyMenshykh in
microsoft/agent-framework#7972

## New Contributors
* @​madanmishra1223 made their first contribution in
microsoft/agent-framework#7705
* @​YashvantHange made their first contribution in
microsoft/agent-framework#7850
* @​jihadkhawaja made their first contribution in
microsoft/agent-framework#7792
* @​adamsitnik made their first contribution in
microsoft/agent-framework#7878
* @​baywet made their first contribution in
microsoft/agent-framework#7870
* @​Namraa310806 made their first contribution in
microsoft/agent-framework#7901
* @​Sweetteabittersugar made their first contribution in
microsoft/agent-framework#7903
* @​shoemoney made their first contribution in
microsoft/agent-framework#7837
* @​jluocsa made their first contribution in
microsoft/agent-framework#6046

**Full Changelog**:
microsoft/agent-framework@dotnet-1.19.0...dotnet-1.20.0

Commits viewable in [compare
view](microsoft/agent-framework@dotnet-1.19.0...dotnet-1.20.0).
</details>

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