[Search] test failing in nightly runs

[Tianyun-G]

Search nightly test runs are failing with:

Error message
System.AggregateException : Retry failed after 4 tries. Retry settings can be adjusted in ClientOptions.Retry. (An error occurred while sending the request.) (nodename nor servname provided, or not known (azs-net-t16aa0de2b6204458.search.windows.net:443)) (nodename nor servname provided, or not known (azs-net-t16aa0de2b6204458.search.windows.net:443)) (nodename nor servname provided, or not known (azs-net-t16aa0de2b6204458.search.windows.net:443))
----> Azure.RequestFailedException : An error occurred while sending the request.
----> Azure.RequestFailedException : nodename nor servname provided, or not known (azs-net-t16aa0de2b6204458.search.windows.net:443)
----> Azure.RequestFailedException : nodename nor servname provided, or not known (azs-net-t16aa0de2b6204458.search.windows.net:443)
----> Azure.RequestFailedException : nodename nor servname provided, or not known (azs-net-t16aa0de2b6204458.search.windows.net:443)
----> System.Net.Http.HttpRequestException : An error occurred while sending the request.
----> System.IO.IOException : Unable to read data from the transport connection: Operation timed out.
----> System.Net.Sockets.SocketException : Operation timed out
----> System.Net.Http.HttpRequestException : nodename nor servname provided, or not known (azs-net-t16aa0de2b6204458.search.windows.net:443)
----> System.Net.Sockets.SocketException : nodename nor servname provided, or not known
----> System.Net.Http.HttpRequestException : nodename nor servname provided, or not known (azs-net-t16aa0de2b6204458.search.windows.net:443)
----> System.Net.Sockets.SocketException : nodename nor servname provided, or not known
----> System.Net.Http.HttpRequestException : nodename nor servname provided, or not known (azs-net-t16aa0de2b6204458.search.windows.net:443)
----> System.Net.Sockets.SocketException : nodename nor servname provided, or not known

Stack trace
at Azure.Core.Pipeline.RetryPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory1 pipeline, Boolean async) in /_/sdk/core/Azure.Core/src/Pipeline/Internal/RetryPolicy.cs:line 99 at Azure.Search.Documents.IndexesRestClient.CreateAsync(SearchIndex index, CancellationToken cancellationToken) in /_/sdk/search/Azure.Search.Documents/src/Generated/IndexesRestClient.cs:line 73 at Azure.Search.Documents.Indexes.SearchIndexClient.CreateIndexAsync(SearchIndex index, CancellationToken cancellationToken) in /_/sdk/search/Azure.Search.Documents/src/Indexes/SearchIndexClient.cs:line 423 at Azure.Search.Documents.Tests.SearchResources.CreateSearchServiceAndIndexAsync(Func2 getIndex) in /Users/runner/work/1/s/sdk/search/Azure.Search.Documents/tests/Utilities/SearchResources.cs:line 397
at Azure.Search.Documents.Tests.SearchResources.CreateWithEmptyIndexAsync[T](SearchTestBase fixture) in /Users/runner/work/1/s/sdk/search/Azure.Search.Documents/tests/Utilities/SearchResources.cs:line 177
at Azure.Search.Documents.Tests.BatchingTests.Behavior_MaxRetryDelay() in /Users/runner/work/1/s/sdk/search/Azure.Search.Documents/tests/Batching/BatchingTests.cs:line 1317
at NUnit.Framework.Internal.TaskAwaitAdapter.GenericAdapter1.BlockUntilCompleted() at NUnit.Framework.Internal.MessagePumpStrategy.NoMessagePumpStrategy.WaitForCompletion(AwaitAdapter awaiter) at NUnit.Framework.Internal.AsyncToSyncAdapter.Await(Func1 invoke)
at NUnit.Framework.Internal.Commands.TestMethodCommand.RunTestMethod(TestExecutionContext context)
at NUnit.Framework.Internal.Commands.TestMethodCommand.Execute(TestExecutionContext context)
at NUnit.Framework.Internal.Commands.BeforeAndAfterTestCommand.<>c__DisplayClass1_0.b__0()
at NUnit.Framework.Internal.Commands.BeforeAndAfterTestCommand.RunTestMethodInThreadAbortSafeZone(TestExecutionContext context, Action action)
--RequestFailedException
at Azure.Core.Pipeline.HttpClientTransport.ProcessAsync(HttpMessage message, Boolean async) in //sdk/core/Azure.Core/src/Pipeline/HttpClientTransport.cs:line 129
at Azure.Core.Pipeline.ResponseBodyPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory1 pipeline, Boolean async) in /_/sdk/core/Azure.Core/src/Pipeline/Internal/ResponseBodyPolicy.cs:line 52 at Azure.Core.Pipeline.LoggingPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory1 pipeline, Boolean async) in //sdk/core/Azure.Core/src/Pipeline/Internal/LoggingPolicy.cs:line 79
at Azure.Core.Pipeline.RedirectPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory1 pipeline, Boolean async) in /_/sdk/core/Azure.Core/src/Pipeline/Internal/RedirectPolicy.cs:line 25 at Azure.Core.Pipeline.RetryPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory1 pipeline, Boolean async) in //sdk/core/Azure.Core/src/Pipeline/Internal/RetryPolicy.cs:line 57
--RequestFailedException
at Azure.Core.Pipeline.HttpClientTransport.ProcessAsync(HttpMessage message, Boolean async) in //sdk/core/Azure.Core/src/Pipeline/HttpClientTransport.cs:line 129
at Azure.Core.Pipeline.ResponseBodyPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory1 pipeline, Boolean async) in /_/sdk/core/Azure.Core/src/Pipeline/Internal/ResponseBodyPolicy.cs:line 52 at Azure.Core.Pipeline.LoggingPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory1 pipeline, Boolean async) in //sdk/core/Azure.Core/src/Pipeline/Internal/LoggingPolicy.cs:line 79
at Azure.Core.Pipeline.RedirectPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory1 pipeline, Boolean async) in /_/sdk/core/Azure.Core/src/Pipeline/Internal/RedirectPolicy.cs:line 25 at Azure.Core.Pipeline.RetryPolicy.ProcessAsync(HttpMessage message, ReadOnlyMemory1 pipeline, Boolean async) in //sdk/core/Azure.Core/src/Pipeline/Internal/RetryPolicy.cs:line 57
--RequestFailedException
at Azure.Core.Pipeline.HttpClientTransport.ProcessAsync(HttpMessage message, Boolean async) in /_/sdk/core/Azure.Core/src/Pipeline/HttpClientTransport.cs:line 129

For more details check here:

• https://dev.azure.com/azure-sdk/internal/_build/results?buildId=1026525&view=results

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