SQL 2005 && CLR Assembly

Feb 22, 2008

Hi.

One of my databases has an assembly that uses system.web. Therefore, in the deploy script, the developer has put in a create assembly for it like so

Create Assembly [System.Web]
FROM 'C:WINDOWSMicrosoft.NETFrameworkv2.0.50727System.Web.dll'
WITH PERMISSION_SET = UNSAFE

followed by the create assembly statements for the actual bespoke assemblies.

The deploy script all works fine, as do the assemblies it creates.

However, when SQL restarts, the calls to the assemblies no longer work, and the only way to get them to is to run the deploy script (which drops them if they exist and recreates them) again.

Not particularly familiar with 2005 & CLR. Is this normal behaviour (I would have expected that once deployed, they were there after re-boot). If it's not how things are supposed to work, what's wrong, and how do I fix it?

Thanks

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ALTER ASSEMBLY Error Msg 6509 An Error Occurred While Gathering Metadata From Assembly ‘&&<Assembly Name&&>’ With HRESULT 0x1.

Feb 22, 2008

I work with February CTP of SqlServer 2008.
I have an Assembly with several UDTs inside. Version of assembly is 1.0.*
I use CREATE ASSEMBLY statement to register this assembly, and it runs without any errors. Then I rebuild CLR solution without doing any changes in source code. In that case the only difference between new and old assemblies is version (difference in fourth part of version).
Then I try to update assembly in SqlServer. I use
ALTER ASSEMBLY <name>
FROM <path>
WITH PERMISSION_SET = UNSAFE, UNCHECKED DATA
statement for this. Statement runs with error:
Msg 6509An error occurred while gathering metadata from assembly €˜<Assembly name>€™ with HRESULT 0x1.
I found the list of condition for ALTER ASSEMBLY in MSDN:
ALTER ASSEMBLY statement cannot be used to change the following:
· The signatures of CLR functions, aggregate functions, stored procedures, and triggers in an instance of SQL Server that reference the assembly. ALTER ASSEMBLY fails when SQL Server cannot rebind .NET Framework database objects in SQL Server with the new version of the assembly.
· The signatures of methods in the assembly that are called from other assemblies.
· The list of assemblies that depend on the assembly, as referenced in the DependentList property of the assembly.
· The indexability of a method, unless there are no indexes or persisted computed columns depending on that method, either directly or indirectly.
· The FillRow method name attribute for CLR table-valued functions.
· The Accumulate and Terminate method signature for user-defined aggregates.
· System assemblies.
· Assembly ownership. Use ALTER AUTHORIZATION (Transact-SQL) instead.
Additionally, for assemblies that implement user-defined types, ALTER ASSEMBLY can be used for making only the following changes:
· Modifying public methods of the user-defined type class, as long as signatures or attributes are not changed.
· Adding new public methods.
· Modifying private methods in any way.

But I haven€™t done any changes in source code, so new version of assembly satisfies all this conditions.
What could be the reason for such behavior?
P.S. I€™ve got the same error, if I add or change any method in assembly before rebuilding.

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Msg 6573 Method, Property Or Field In Assembly Is Not Static. VB.Net Assembly In SQL Server Problem

Feb 29, 2008



I am trying to get a function I created in VB 5 for Access and Excel to work in SQL 2005. I was able to update the old VB code to work in VB 2005. I compiled and made a .dll, and I was able to register the new Assembly in SQL Server. When I try to create the Function, I get an error:


CREATE FUNCTION dbo.Temperature(@FluidName char, @InpCode Char, @Units Char, @Prop1 varchar, @Prop2 varChar)

RETURNS VarChar

AS EXTERNAL NAME FluidProps.[FluidProps.FluidProperties.Fluids].Temperature


Error returned:


Msg 6573, Level 16, State 1, Procedure Temperature, Line 21

Method, property or field 'Temperature' of class 'FluidProps.FluidProperties.Fluids' in assembly 'FluidProps' is not static.



Here is the code (part of it) in the VB class:

Header:


Imports Microsoft.SqlServer.Server

Imports System.Data.SqlClient

Imports System.Runtime.InteropServices

Imports System.Security

Imports System.Security.Permissions





Namespace FluidProperties



'Option Strict Off

'Option Explicit On

Public Partial Class Fluids

Function:


Function Temperature(ByRef FluidName As Object, ByRef InpCode As Object, ByRef Units As Object, ByRef Prop1 As Object, Optional ByRef Prop2 As Object = Nothing) As Object

Call CalcProp(FluidName, InpCode, Units, Prop1, Prop2)

Temperature = ConvertUnits("-T", Units, T, 0)

End Function


If I change the Function Temperature to Static, I get an error that functions cannot be Static. Its been a long time since I created the code and am having a hard time in my older age of getting the cobwebs out to make it work.

I have no problem getting the function to work if I call it from a VB form....so what do I need to do to get it to work on data in my SQL server?

Thanks

Buck

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Jan 12, 2006

I previously had an ASP.NET 1.1 site running on my IIS 6.0 server (not the default website) with Reporting Services running in a subdirectory of that website.  I recently upgraded to ASP.NET 2.0 for my website and was greeted with an error when trying to view a report.  The error was very non-descript, but when I checked the server logs, it recorded the details as "It is not possible to run two different versions of ASP.NET in the same IIS process.  Please use the IIS Administration Tool to reconfigure your server to run the application in a separate process."

 

First of all, I could not figure out where and how to do this.  Secondly, I decided to try to also change the Reporting Services folders to run ASP.NET 2.0 and when I did, I was greeted with the following message when attempting to view a report:

 

"Failed to load expression host assembly. Details: StrongName cannot have an empty string for the assembly name."

Please help.

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Aug 2, 2006

Hi

I am a bit paranoid about what I just did to my SQL Server 2005 with this CLR experiment.

I created a Class Lib in C# called inLineLib that has a class Queue which represents an object with an ID field.

in another separate namespace called inLineCLRsql, I created a class called test which will hold the function to be accessed from DB, I referenced and created an instances of the Queue class, and retrieve it's ID in a function called PrintMessage.

namespace inlineCLRsql{


public static class test{


public static void PrintMessage(){



inLineLib.Queue q = new inLineLib.Queue();

int i = q.queueId ;

Microsoft.SqlServer.Server.SqlContext.Pipe.Send(i.ToString());



}

}

}

to access this from the db, I attempted to create an assembley referencing inLineCLRsql.dll. This didn't work as it complained about inLineLib assembly not existing in the db. I then attempted to create an assembley for inLineLib but it barfed saying System.Management assembly not created.

so what I did is (and this is where I need to know if I just ruined sql server or not):

1- ALTER DATABASE myDB SET TRUSTWORTHY ON;.

2- CREATE ASSEMBLY SystemManagement

FROM 'C:WINDOWSMicrosoft.NETFrameworkv2.0.50727System.Management.dll'

WITH PERMISSION_SET = UNSAFE

3- CREATE ASSEMBLY inLineLibMaster

FROM 'D:inLineServerinLineLibinDebuginLineLib.dll'

WITH PERMISSION_SET = unsafe

4- and finally

CREATE ASSEMBLY inLineLib

FROM 'D:inLineServerCLRSQLinlineCLRsqlinDebuginlineCLRsql.dll'

WITH PERMISSION_SET = SAFE



Everything works after those steps (which took some trial and error). I can create a sproc like:

CREATE PROC sp_test AS

EXTERNAL NAME inLineLib.[inlineCLRsql.test].PrintMessage

and it returns the Queue ID

Is there anything unadvisable about the steps above?



Thanks for your help



M



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Jan 12, 2007

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thanks!

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May 1, 2008

We have written a test CRL stored procedure to test replacing one of our complex stored procedures but can€™t get it deployed to our SQL server that hosts a mirrored configuration of our production database (very locked down). It works fine on our development instances (not very locked down). It only references the default assemblies that were added when we created the project. All it does is use Context Connection=true to get data, loops though some records and returns the data using SQLContext. CLR is enabled on SQL server, the assembly is strongly signed, and we tried deploy using the binary string with the SAFE setting.


CREATE ASSEMBLY for assembly 'SQLCLRTest2' failed because assembly 'SQLCLRTest2' failed verification. Check if the referenced assemblies are up-to-date and trusted (for external_access or unsafe) to execute in the database. CLR Verifier error messages if any will follow this message
[ : SQLCLRTest2.StoredProcedures::GetLift][mdToken=0x600001e] Type load failed.
[token 0x02000008] Type load failed.

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Dec 14, 2007

Hi,
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Thanks

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Apr 11, 2008

Hello,

I have problem with starting SQL Servre 2005 (Standard Edition), during start I get bellow errors.


----------------------------------------------------------------------
Error:

Could not start the SQL Server (SQL2005) service on Local Computer.
Error 14001: This application has failed to start because the
application configuration is incorrect.
Reinstalling the application may fix this problem.

--
Event Viewer:

Event Source: Service Control Manager
The SQL Server (SQL2005) service failed to start due to the following error:
This application has failed to start because the application configuration
is incorrect.
Reinstalling the application may fix this problem.

Event Source: SideBySide
Generate Activation Context failed for
C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLBinnsqlservr.exe.
Reference error message: The referenced assembly is not installed on your
system.

Event Source: SideBySide
Resolve Partial Assembly failed for Microsoft.VC80.ATL. Reference error
message:
The referenced assembly is not installed on your system.

Event Source: SideBySide
Dependent Assembly Microsoft.VC80.ATL could not be found and Last Error was
The referenced assembly is not installed on your system.

----------------------------------------------------------------------


Could you help, how resolve problem. I don't want reinstall all SQL Server.

This probably happened after Windows install (automatic) updates from
Windows Update web site.

Thanks in advance

ps.
Windows 2003 Enterprise Edition

--
Regards,
anxcomp

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Mar 28, 2008

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when deployed the report , i get #Error
i don't add any cas code.
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Sep 15, 2006

Hello ,

when I try to create an assembly on SQL2005

Create assembly LibSql
FROM 'c:SQLNETLIBSQLLIBSQL.dll'
WITH PERMISSION_SET = External_Access

I got the following error:

Failed to initialize the Common Language Runtime (CLR) v2.0.50727 with HRESULT 0x80131522. You need to restart SQL server to use CLR integration features.

Configuration:

Server: 8 processors with 16 GB RAM

select @@version returns:

Microsoft SQL Server 2005 - 9.00.2047.00 (Intel X86)
Apr 14 2006 01:12:25
Copyright (c) 1988-2005 Microsoft Corporation
Enterprise Edition on Windows NT 5.2 (Build 3790: Service Pack 1)

AWE configuration is enabled.

CLR is enabled

Server was upgreaded from sql 2000 SP3a

Restart of Sql doesn't help

Thank you for your advice.

artek





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Mar 8, 2007

I have a clr assembly that access the internet via Sockets and file access. This require me to set the Assembly permissions level to External.

There are lots of messages on the net regarding this issue. none have worked for me.

Currently I'm trying to install the assembly with "sign the assembly" checked, createing a strong name key file.

When I run the installation I get the following message from the server

"Create failed for SqlAssembly 'xxx'.(Microsoft.sqlServer.Smo)

an exception occured while executing a Transact-SQL statement or batch

(Microsoft.SqlServer.ConnectionInfo)

A severe error occured in the current command. The results, if any, should be discarded.

This is the messag I get.

The following link does not display any usefull information.

TITLE: Microsoft SQL Server Management Studio
------------------------------

Create failed for SqlAssembly 'KBTTriggers'. (Microsoft.SqlServer.Smo)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=9.00.1399.00&EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&EvtID=Create+SqlAssembly&LinkId=20476

------------------------------
ADDITIONAL INFORMATION:

An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)

------------------------------

A severe error occurred on the current command. The results, if any, should be discarded.
A severe error occurred on the current command. The results, if any, should be discarded. (Microsoft SQL Server, Error: 0)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&EvtSrc=MSSQLServer&EvtID=0&LinkId=20476

------------------------------
BUTTONS:

OK
------------------------------

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Oct 11, 2007



Hi to all,

i have one VS 2003 assembly,now i want to laod this asseembly in SQL Server 2005 .then i am going to write SQL-CLR 2005 function in which i want to use some functions of this VS 2003 assembly.is this possible?
please help me....

Thanks in advance.


Chetan S. Raut.

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Jul 12, 2007

I am trying to create an assembly in SQL Server 2005 from a compiled VS 2005 solution in VB.net



I am getting the following error in SQL Server Management Studio:



Assembly 'PrintWorkOrder' references assembly 'crystaldecisions.crystalreports.engine, version=10.2.3600.0, culture=neutral, publickeytoken=692fbea5521e1304.', which is not present in the current database. SQL Server attempted to locate and automatically load the referenced assembly from the same location where referring assembly came from, but that operation has failed (reason: 2(The system cannot find the file specified.)). Please load the referenced assembly into the current database and retry your request.



Can someone explain to me how I can load the crystal assembly it is asking for?



(My SQL Server Instance is on a remote machinf from my Development Environment.)



Thanks.

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Jan 19, 2007

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I'm assuming that the error we're getting has some cause other than with System.Data.dll.Does anyone have any ideas what could be causing this or how to proceed in troubleshooting this issue?

Thanks

Bill

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Jan 8, 2006

Hi,
when deploying assembly from VS into SQL Server 2005, deployment fails with these error messages:

Msg 0, Level 11, State 0, Line 0
A severe error occurred on the current command.  The results, if any, should be discarded.
Msg 0, Level 20, State 0, Line 0
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I'm deploying assembly with UNSAFE permission setting.
What's wrong, please?

Thanx, Fipil

 

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Jul 17, 2006

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Mar 29, 2008



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<CodeGroup
class="SqlClientPermission"
version="1"
Name="MySecurityExtensionCodeGroup"
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class="UrlMembershipCondition"
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/>
</CodeGroup>

i still get #Error

i try everything , i don't know what i can do.

pls help

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Jul 26, 2006

Hi,
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Created assembly is registered also.
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I want to call that assembly from stored procedure with the database config level at "80"
But when i execute the stored proecure i get the following error
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My Code in VB.Net is given below:
Imports System
Imports System.Reflection
Imports System.Globalization
Imports System.IO
Imports System.data
Imports System.Data.SqlClient
Imports System.Data.SqlTypes
Imports Microsoft.SqlServer.Server
Imports Microsoft.VisualBasic
Imports System.Diagnostics
Imports GreatDataAccess

Namespace Test
Public Class clsTest

Public Shared Sub GenTest()
''''............ some code is here
End Sub
End Class
End Namespace

Stored Procedure
CREATE PROCEDURE [dbo].[PPGenerateFile]
AS
BEGIN
Declare @retVal INT
Declare @comHandler INT
declare @errorSource nvarchar(500)
declare @errorDescription nvarchar(500)
declare @retString nvarchar(100)

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IF(@retVal <> 0)
BEGIN
--Trap errors if any
EXEC sp_OAGetErrorInfo @comHandler,@errorSource OUTPUT, @errorDescription OUTPUT
SELECT [error source] = @errorsource, [Description] = @errordescription
Return
END



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EXEC @retVal = sp_OAMethod @comHandler,'GenTest()',@retString

IF (@retVal <>0 )
BEGIN
EXEC sp_OAGetErrorInfo @comHandler,@errorSource OUTPUT, @errorDescription OUTPUT
SELECT [error source] = @errorsource, [Description] = @errordescription
Return
END
select @retString

END






Please Help me to solve this problem.

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Aug 21, 2007

Hiiiiiiii all

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I have tried like this


CREATE ASSEMBLY abc
FROM 'C:abc.dll'

WITH PERMISSION_SET = SAFE

but it gives me
incorrect syntax error
so plzzzzz anyone help me wht to do in my probbbbbbbbb???????

Pratik Kansara

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May 31, 2007

I am trying to deploy a Database Project with Visual Studio 2005 and SQL Server 2005 Standard.
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I am receiving the same error message that many folks have received.

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I have tried

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