![]() ![]() Verify that the instance name is correct and that SQL Server is configured to allow remote connections. The server was not found or was not accessible. +ExtendedSocketException (00000005, 6): No such device or addressĪt (String hostName)Īt (String hostNameOrAddress)Īt .SNITCPHandle.Connect(String serverName, Int32 port, TimeSpan timeout)Īt .SNITCPHandle.ctor(String serverName, Int32 port, Int64 timerExpire, Object callbackObject, Boolean parallel)Īt .ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, Boolean applyTransientFaultHandling, String accessToken)Īt .CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)Īt .CreatePooledConnection(DbConnectionPool pool, DbConnection owningObject, DbConnectionOptions options, DbConnectionPoolKey poolKey, DbConnectionOptions userOptions)Īt .CreateObject(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)Īt .UserCreateRequest(DbConnection owningObject, DbConnectionOptions userOptions, DbConnectionInternal oldConnection)Īt .TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)Īt .TryGetConnection(DbConnection owningObject, TaskCompletionSource 1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)Īt .TryGetConnection(DbConnection owningConnection, TaskCompletionSource1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)Īt .TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource 1 retry, DbConnectionOptions userOptions)Īt .TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource1 retry, DbConnectionOptions userOptions)Īt .TryOpen(TaskCompletionSource 1 retry)Īt .Open()Īt .OpenDbConnection(Boolean errorsExpected)Īt .Open(Boolean errorsExpected)Īt ._Displa圜lass18_0.b_0(DateTime giveUp)Īt _Displa圜lass12_02.b_0(DbContext c, TState s)Īt .(TState state, Func 3 operation, Func3 verifySucceeded)Īt (IExecutionStrategy strategy, Func 2 operation, Func2 verifySucceeded, TState state)Īt (IExecutionStrategy strategy, TState state, Func`2 operation)Īt .(Boolean retryOnNotExists)Īt .()Īt .Exists()Īt .Migrator.Migrate(String targetMigration)Īt .MigrationsOperations.UpdateDatabase(String targetMigration, String contextType)Īt .UpdateDatabase.c_Displa圜lass0_1.b_0()Īt .OperationBase.Execute(Action action)ĬlientConnectionId:00000000-0000-0000-0000-000000000000Ī network-related or instance-specific error occurred while establishing a connection to SQL Server. (provider: TCP Provider, error: 35 - An internal exception was caught) ![]() (0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQL Server. Info: Įntity Framework Core 2.2.3-servicing-35854 initialized 'ReceptionistContext' using provider '' with options: None I wanted to perform this action by using dotnet ef database update -context ReceptionistContext I have successfully performed the migration using dotnet ef migrations add Initial -context ReceptionistContextīut I am unable to update the database running inside my Docker container. I have prepared a project, following this tutorial. I wanted to integrate an ORM, so I picked up Entity Framework Core. Now the problem is that I can't establish the connection to the database because the environment variables exposed by Docker are not recognized at the Tomcat environment.I have started to learn ASP.NET Core MVC and I am trying to build an app which makes use of a database. In order to connect the web application that is running in the Tomcat container to the database, I am using the following configuration file: ![]() docker run -it -name $ -link db:db -p 8080:8080 -d tomcatĪfter running the container I can see that the containers are linked and the environment variables are exposed properly. In order to do that I am using the linking mechanism from Docker. I trying to connect a web server that runs in an Apache Tomcat container to a MySQL database that runs another container. ![]()
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