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FirebirdSQL / NETProvider

Firebird ADO.NET Data Provider
https://www.firebirdsql.org/en/net-provider/
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Connection to Firebird throws NullReferenceException on mono [DNET716] #665

Closed firebird-automations closed 7 years ago

firebird-automations commented 7 years ago

Submitted by: Anton Kasyanov (phrynohyas)

An attempt to connect to the Firebird databse results in an NullReferenceException with the following stacktrace:

at System.Text.Encoding.GetBytes (System.String s) [0x00015] in <dca3b561b8ad4f9fb10141d81b39ff45>:0 at FirebirdSql.Data.Client.Managed.GdsConnection.UserIdentificationData () [0x00141] in <1c49352b896a4a9dba73865ddab7b59e>:0 at FirebirdSql.Data.Client.Managed.GdsConnection.Identify (System.String database) [0x00044] in <1c49352b896a4a9dba73865ddab7b59e>:0 at FirebirdSql.Data.FirebirdClient.ClientFactory.CreateManagedDatabase (FirebirdSql.Data.FirebirdClient.FbConnectionString options) [0x00042] in <1c49352b896a4a9dba73865ddab7b59e>:0 at FirebirdSql.Data.FirebirdClient.ClientFactory.CreateDatabase (FirebirdSql.Data.FirebirdClient.FbConnectionString options) [0x00010] in <1c49352b896a4a9dba73865ddab7b59e>:0 at FirebirdSql.Data.FirebirdClient.FbConnectionInternal.Connect () [0x0001e] in <1c49352b896a4a9dba73865ddab7b59e>:0 at FirebirdSql.Data.FirebirdClient.FbConnectionPoolManager+Pool.CreateNewConnection (FirebirdSql.Data.FirebirdClient.FbConnectionString connectionString) [0x00006] in <1c49352b896a4a9dba73865ddab7b59e>:0 at FirebirdSql.Data.FirebirdClient.FbConnectionPoolManager+Pool.CreateNewConnectionIfPossibleImpl (FirebirdSql.Data.FirebirdClient.FbConnectionString connectionString) [0x00020] in <1c49352b896a4a9dba73865ddab7b59e>:0 at FirebirdSql.Data.FirebirdClient.FbConnectionPoolManager+Pool.GetConnection (FirebirdSql.Data.FirebirdClient.FbConnection owner) [0x00024] in <1c49352b896a4a9dba73865ddab7b59e>:0 at FirebirdSql.Data.FirebirdClient.FbConnectionPoolManager.Get (FirebirdSql.Data.FirebirdClient.FbConnectionString connectionString, FirebirdSql.Data.FirebirdClient.FbConnection owner) [0x00035] in <1c49352b896a4a9dba73865ddab7b59e>:0 at FirebirdSql.Data.FirebirdClient.FbConnection.Open () [0x00086] in <1c49352b896a4a9dba73865ddab7b59e>:0

The exception is thrown at the line

private byte[] UserIdentificationData() { ... var user = Encoding.UTF8.GetBytes(Environment.GetEnvironmentVariable("USERNAME")); ... }

of the class FirebirdSql.Data.Client.Managed.GdsConnection

Earlier this method used Environment.UserName in this line, however this was changed by the commit https://github.com/cincuranet/FirebirdSql.Data.FirebirdClient/commit/7e1e4a1e1eb362c2c96a141a51952b23c9970f79

The USERNAME environment variable is not set in linux bu default. Setting it hides the issue and can be considered as a workaround.

Commits: FirebirdSQL/NETProvider@722e3d8db319ca16c1b49bd8737c737c544aa927

firebird-automations commented 7 years ago
Modified by: @cincuranet status: Open \[ 1 \] =\> In Progress \[ 3 \]
firebird-automations commented 7 years ago
Modified by: @cincuranet status: In Progress \[ 3 \] =\> Resolved \[ 5 \] resolution: Fixed \[ 1 \] Fix Version: vNext \[ 10790 \]