The Engineering Tasks
- Organization:
- The Australasian Institute of Mining and Metallurgy
- Pages:
- 16
- File Size:
- 834 KB
- Publication Date:
- Jan 1, 1981
Abstract
Citation
APA: (1981) The Engineering Tasks
MLA: The Engineering Tasks. The Australasian Institute of Mining and Metallurgy, 1981.
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Unexpected error retrieving advertisement for PageView: Home_Index, Key: SidebarTop Name : System.InvalidOperationException Message: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached. Stack : at Microsoft.Data.Common.ADP.ExceptionWithStackTrace(Exception e) --- End of stack trace from previous location --- at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenInternalAsync(Boolean errorsExpected, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenInternalAsync(Boolean errorsExpected, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenAsync(CancellationToken cancellationToken, Boolean errorsExpected) at Microsoft.EntityFrameworkCore.Storage.RelationalCommand.ExecuteReaderAsync(RelationalCommandParameterObject parameterObject, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.Query.Internal.SingleQueryingEnumerable`1.AsyncEnumerator.InitializeReaderAsync(AsyncEnumerator enumerator, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.SqlServer.Storage.Internal.SqlServerExecutionStrategy.ExecuteAsync[TState,TResult](TState state, Func`4 operation, Func`4 verifySucceeded, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.Query.Internal.SingleQueryingEnumerable`1.AsyncEnumerator.MoveNextAsync() at Microsoft.EntityFrameworkCore.Query.ShapedQueryCompilingExpressionVisitor.SingleOrDefaultAsync[TSource](IAsyncEnumerable`1 asyncEnumerable, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.Query.ShapedQueryCompilingExpressionVisitor.SingleOrDefaultAsync[TSource](IAsyncEnumerable`1 asyncEnumerable, CancellationToken cancellationToken) at OneMine.Advertisements.Data.Queries.AdvertisementQueries.GetActiveAdvertisementByNameKeyAsync[T](Guid siteId, String pageViewName, String placementKey, CancellationToken cancellationToken) in D:\a\1\s\Lib\Data\Advertisements\Data\Queries\AdvertisementQueries.cs:line 43 at OneMine.Web.ViewComponents.ZoneTagViewComponent.InvokeAsync(String pageViewName, String placementKey) in D:\a\1\s\Web\ViewComponents\ZoneTagViewComponent.cs:line 84
Unexpected error retrieving advertisement for PageView: Home_Index, Key: SidebarBottom Name : System.InvalidOperationException Message: Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached. Stack : at Microsoft.Data.Common.ADP.ExceptionWithStackTrace(Exception e) --- End of stack trace from previous location --- at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenInternalAsync(Boolean errorsExpected, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenInternalAsync(Boolean errorsExpected, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.Storage.RelationalConnection.OpenAsync(CancellationToken cancellationToken, Boolean errorsExpected) at Microsoft.EntityFrameworkCore.Storage.RelationalCommand.ExecuteReaderAsync(RelationalCommandParameterObject parameterObject, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.Query.Internal.SingleQueryingEnumerable`1.AsyncEnumerator.InitializeReaderAsync(AsyncEnumerator enumerator, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.SqlServer.Storage.Internal.SqlServerExecutionStrategy.ExecuteAsync[TState,TResult](TState state, Func`4 operation, Func`4 verifySucceeded, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.Query.Internal.SingleQueryingEnumerable`1.AsyncEnumerator.MoveNextAsync() at Microsoft.EntityFrameworkCore.Query.ShapedQueryCompilingExpressionVisitor.SingleOrDefaultAsync[TSource](IAsyncEnumerable`1 asyncEnumerable, CancellationToken cancellationToken) at Microsoft.EntityFrameworkCore.Query.ShapedQueryCompilingExpressionVisitor.SingleOrDefaultAsync[TSource](IAsyncEnumerable`1 asyncEnumerable, CancellationToken cancellationToken) at OneMine.Advertisements.Data.Queries.AdvertisementQueries.GetActiveAdvertisementByNameKeyAsync[T](Guid siteId, String pageViewName, String placementKey, CancellationToken cancellationToken) in D:\a\1\s\Lib\Data\Advertisements\Data\Queries\AdvertisementQueries.cs:line 43 at OneMine.Web.ViewComponents.ZoneTagViewComponent.InvokeAsync(String pageViewName, String placementKey) in D:\a\1\s\Web\ViewComponents\ZoneTagViewComponent.cs:line 84