我在Visual Studio 2010中有一个带有许多SQL Server 2008数据库项目的解决方案。我正在尝试执行“部署解决方案”,并且我为其中一个数据库项目收到以下错误:
------ Deploy started: Project: MyDBProj, Configuration: Sandbox Any CPU ------
C:\Program Files\MSBuild\Microsoft\VisualStudio\v10.0\TeamData\Microsoft.Data.Schema.TSqlTasks.targets(120,5): Error MSB4018: The "SqlDeployTask" task failed unexpectedly.
System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Data.Schema.Sql.SchemaModel.SqlModelComparerBase.VariableSubstitution(SqlScriptProperty propertyValue, IDictionary`2 variables, Boolean& isChanged)
at Microsoft.Data.Schema.Sql.SchemaModel.SqlModelComparerBase.ArePropertiesEqual(IModelElement source, IModelElement target, ModelPropertyClass propertyClass, ModelComparerConfiguration configuration)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareProperties(IModelElement sourceElement, IModelElement targetElement, ModelComparerConfiguration configuration, ModelComparisonChangeDefinition changes)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareElementsWithoutCompareName(IModelElement sourceElement, IModelElement targetElement, ModelComparerConfiguration configuration, Boolean parentExplicitlyIncluded, Boolean compareElementOnly, ModelComparisonResult result, ModelComparisonChangeDefinition changes)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareElementsWithSameType(IModelElement sourceElement, IModelElement targetElement, ModelComparerConfiguration configuration, ModelComparisonResult result, Boolean ignoreComparingName, Boolean parentExplicitlyIncluded, Boolean compareElementOnly, Boolean compareFromRootElement, ModelComparisonChangeDefinition& changes)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareChildren(IModelElement sourceElement, IModelElement targetElement, ModelComparerConfiguration configuration, Boolean parentExplicitlyIncluded, Boolean compareParentElementOnly, ModelComparisonResult result, ModelComparisonChangeDefinition changes, Boolean isComposing)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareElementsWithoutCompareName(IModelElement sourceElement, IModelElement targetElement, ModelComparerConfiguration configuration, Boolean parentExplicitlyIncluded, Boolean compareElementOnly, ModelComparisonResult result, ModelComparisonChangeDefinition changes)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareElementsWithSameType(IModelElement sourceElement, IModelElement targetElement, ModelComparerConfiguration configuration, ModelComparisonResult result, Boolean ignoreComparingName, Boolean parentExplicitlyIncluded, Boolean compareElementOnly, Boolean compareFromRootElement, ModelComparisonChangeDefinition& changes)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareChildren(IModelElement sourceElement, IModelElement targetElement, ModelComparerConfiguration configuration, Boolean parentExplicitlyIncluded, Boolean compareParentElementOnly, ModelComparisonResult result, ModelComparisonChangeDefinition changes, Boolean isComposing)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareElementsWithoutCompareName(IModelElement sourceElement, IModelElement targetElement, ModelComparerConfiguration configuration, Boolean parentExplicitlyIncluded, Boolean compareElementOnly, ModelComparisonResult result, ModelComparisonChangeDefinition changes)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareElementsWithSameType(IModelElement sourceElement, IModelElement targetElement, ModelComparerConfiguration configuration, ModelComparisonResult result, Boolean ignoreComparingName, Boolean parentExplicitlyIncluded, Boolean compareElementOnly, Boolean compareFromRootElement, ModelComparisonChangeDefinition& changes)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareAllElementsForOneType(ModelElementClass type, ModelComparerConfiguration configuration, ModelComparisonResult result, Boolean compareOrphanedElements)
at Microsoft.Data.Schema.SchemaModel.ModelComparer.CompareStore(ModelStore source, ModelStore target, ModelComparerConfiguration configuration)
at Microsoft.Data.Schema.Build.SchemaDeployment.CompareModels()
at Microsoft.Data.Schema.Build.SchemaDeployment.PrepareBuildPlan()
at Microsoft.Data.Schema.Build.SchemaDeployment.Execute(Boolean executeDeployment)
at Microsoft.Data.Schema.Build.SchemaDeployment.Execute()
at Microsoft.Data.Schema.Tasks.DBDeployTask.Execute()
at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask(ITaskExecutionHost taskExecutionHost, TaskLoggingContext taskLoggingContext, TaskHost taskHost, ItemBucket bucket, TaskExecutionMode howToExecuteTask, Boolean& taskResult)
Done executing task "SqlDeployTask" -- FAILED.
Done building target "DspDeploy" in project "MyDBProj.dbproj" -- FAILED.
Done executing task "CallTarget" -- FAILED.
Done building target "DBDeploy" in project "MyDBProj.dbproj" -- FAILED.
Done building project "MyDBProj.dbproj" -- FAILED.
有人知道造成这种情况的原因吗?
我的项目配置为创建部署脚本并针对目标数据库运行它。 我已经尝试在运行部署之前删除目标数据库并创建一个空数据库。 我试过在Visual Studio中“清理”解决方案。
答案 0 :(得分:1)
汤姆, 我在这里记录了一个解决方法(并且非常简单):http://sqlblog.com/blogs/jamie_thomson/archive/2011/11/21/workaround-for-datadude-deployment-bug.aspx
答案 1 :(得分:0)
我已经能够使用包含单个内联函数的测试数据库项目重现此错误,如下所示:
CREATE FUNCTION [dbo].[Function1]
()
RETURNS TABLE
AS
RETURN (
WITH cte AS (
SELECT 1 AS [c1]
FROM [$(Database3)].[dbo].[Table1]
)
SELECT 1 AS [c1]
FROM cte
)
$(Database3)
是一个引用另一个数据库项目.dbschema
文件的数据库变量。此dbschema文件包含一个表 - [Table1]
。
您似乎需要一个带有CTE的内联函数,该函数包含使用数据库变量对另一个数据库的引用。此外,该功能必须已存在于目标数据库中。
在某些情况下,您可能会收到以下错误(例如内联函数不使用CTE):
------ Deploy started: Project: Database2, Configuration: Debug Any CPU ------
Database2.dbschema(0,0): Warning TSD00560: If this deployment is executed, changes to [dbo].[Function2] might introduce run-time errors in [dbo].[Procedure1].
Deployment script generated to:
C:\temp\Database2\sql\debug\Database2.sql
Altering [dbo].[Function2]...
C:\temp\Database2\sql\debug\Database2.sql(74,0): Error SQL01268: .Net SqlClient Data Provider: Msg 208, Level 16, State 1, Procedure Function2, Line 9 Invalid object name 'Database3.dbo.Table1'.
An error occurred while the batch was being executed.
Done executing task "SqlDeployTask" -- FAILED.
Done building target "DspDeploy" in project "Database2.dbproj" -- FAILED.
Done executing task "CallTarget" -- FAILED.
Done building target "DBDeploy" in project "Database2.dbproj" -- FAILED.
Done building project "Database2.dbproj" -- FAILED.
Build FAILED.
因此,唯一的解决方法似乎是在部署之前将函数放在目标中。
我将提出Microsoft Connect问题。
<强>更新强>
我创建了一个Connect问题 - https://connect.microsoft.com/VisualStudio/feedback/details/693158/vs2010-database-project-deploy-sqldeploytask-task-failed-unexpectedly-nullreferenceexception
答案 2 :(得分:0)
在以下情况下,我遇到了以下类似的NullReference异常:
当引用由代码中不再定义的旧对象更改的对象时,您可能会遇到类似的问题。
要解决此问题,请检查对象的旧依赖性并将其删除。尝试只更改代码中的内容,而不要将其与数据库中的临时更改相混合。
希望会有所帮助,因为错误消息没有给出很多解释。
Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Data.Tools.Schema.Sql.Deployment.SqlDeploymentPlanGenerator.DeploymentScriptDomGenerator.UnbindTableDatamotion(SqlTable sourceTable, SqlTable targetTable, Boolean unbindPartitionScheme, HashSet`1 unboundColumns)
at Microsoft.Data.Tools.Schema.Sql.Deployment.SqlDeploymentPlanGenerator.DeploymentScriptDomGenerator.GenerateUnbindTableSteps(SqlTable sourceTable, SqlTable targetTable)
at Microsoft.Data.Tools.Schema.Sql.Deployment.SqlDeploymentPlanGenerator.DeploymentScriptDomGenerator.GenerateSteps(Int32 operation, IModelElement element)
...