Bug #81973 Mono throws Exception when trying to connect to MySQL-database

Submitted:	22 Jun 2016 13:21	Modified:	11 Feb 2017 6:34
Reporter:	Da Wiesi	Email Updates:
Status:	No Feedback	Impact on me:	None
Category:	Connector / NET	Severity:	S3 (Non-critical)
Version:	6.9.8	OS:	Ubuntu
Assigned to:	Assigned Account	CPU Architecture:	Any
Tags:	C#, connector, Mono, MySQL

Description:
I have a simple application (.NET 4.5.2) which makes usage of the MySQL-driver (v6.9.8) for .NET/Mono. It works perfectly on .NET (Windows) but throws an exception on Ubuntu (Mono v4.2.1) as soon as I invoke the Connect-method.

2016-06-21 16:21:19,659 [1] WARN  MySql.DatabaseDriverMySql [(null)] - System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.IO.FileNotFoundException: Could not load file or assembly 'System.Management, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies.
File name: 'System.Management, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
  at System.Reflection.MonoProperty.GetterAdapterFrame[T,R] (System.Reflection.Getter`2 getter, System.Object obj) <0x7f65f01aece0 + 0x00039> in <filename unknown>:0
  at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) <0x7f65f01aef20 + 0x000d9> in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) <0x7f65f01aef20 + 0x00117> in <filename unknown>:0
  at MySql.Data.MySqlClient.NativeDriver.SetConnectAttrs () <0x40e6a2f0 + 0x00138> in <filename unknown>:0
  at MySql.Data.MySqlClient.Authentication.MySqlAuthenticationPlugin.Authenticate (Boolean reset) <0x40e69830 + 0x0016b> in <filename unknown>:0
  at MySql.Data.MySqlClient.NativeDriver.Authenticate (System.String authMethod, Boolean reset) <0x40e68320 + 0x000af> in <filename unknown>:0
  at MySql.Data.MySqlClient.NativeDriver.Open () <0x40e5c9d0 + 0x00787> in <filename unknown>:0
  at MySql.Data.MySqlClient.Driver.Open () <0x40e5c980 + 0x0003b> in <filename unknown>:0
  at MySql.Data.MySqlClient.Driver.Create (MySql.Data.MySqlClient.MySqlConnectionStringBuilder settings) <0x40e56be0 + 0x00173> in <filename unknown>:0
System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.IO.FileNotFoundException: Could not load file or assembly 'System.Management, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies.
File name: 'System.Management, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
  at System.Reflection.MonoProperty.GetterAdapterFrame[T,R] (System.Reflection.Getter getter, System.Object obj) <0x7f65f01aece0 + 0x00039> in <filename unknown>:0
  at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) <0x7f65f01aef20 + 0x000d9> in <filename unknown>:0
  --- End of inner exception stack trace ---
  at System.Reflection.MonoProperty.GetValue (System.Object obj, System.Object[] index) <0x7f65f01aef20 + 0x00117> in <filename unknown>:0
  at MySql.Data.MySqlClient.NativeDriver.SetConnectAttrs () <0x40e6a2f0 + 0x00138> in <filename unknown>:0
  at MySql.Data.MySqlClient.Authentication.MySqlAuthenticationPlugin.Authenticate (Boolean reset) <0x40e69830 + 0x0016b> in <filename unknown>:0
  at MySql.Data.MySqlClient.NativeDriver.Authenticate (System.String authMethod, Boolean reset) <0x40e68320 + 0x000af> in <filename unknown>:0
  at MySql.Data.MySqlClient.NativeDriver.Open () <0x40e5c9d0 + 0x00787> in <filename unknown>:0
  at MySql.Data.MySqlClient.Driver.Open () <0x40e5c980 + 0x0003b> in <filename unknown>:0
  at MySql.Data.MySqlClient.Driver.Create (MySql.Data.MySqlClient.MySqlConnectionStringBuilder settings) <0x40e56be0 + 0x00173> in <filename unknown>:0

The last working version of the MySQL .NET Driver is 6.4.6, since 6.5.7 it seems not to work with Mono anymore

How to repeat:
Use Mono on Ubuntu and invoke MySqlConnection.Open()

Hello Da Wiesi,

Thank you for the bug report.
Please try with Connector/NET 6.10.0 Development Releases version?
Could you please provide repeatable test case (exact steps - please make it as private if you prefer) to confirm this issue at our end?

Thanks,
Chiranjeevi.

No feedback was provided for this bug for over a month, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".

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