SQL Server中执行收缩日志报错什么原因，如何解决-群英

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最近服务器执行收缩日志文件大小的job老是报错

我所用的一个批量收缩日志脚本

USE [master]
GO
/****** Object: StoredProcedure [dbo].[ShrinkUser_DATABASESLogFile] Script Date: 01/05/2016 09:52:39 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER PROC [dbo].[ShrinkUser_DATABASESLogFile]
AS
BEGIN
 DECLARE @DBNAME NVARCHAR(MAX)
DECLARE @SQL NVARCHAR(MAX)
--临时表保存数据
CREATE TABLE #DataBaseServerData
(
 ID INT IDENTITY(1, 1) ,
 DBNAME NVARCHAR(MAX) ,
 Log_Total_MB DECIMAL(18, 1) NOT NULL ,
 Log_FREE_SPACE_MB DECIMAL(18, 1) NOT NULL 
)
--游标
DECLARE @itemCur CURSOR
SET 
@itemCur = CURSOR FOR 
SELECT name from SYS.[databases] WHERE [name] NOT IN ('MASTER','MODEL','TEMPDB','MSDB','ReportServer','ReportServerTempDB','distribution')
and state=0
OPEN @itemCur
FETCH NEXT FROM @itemCur INTO @DBNAME
WHILE @@FETCH_STATUS = 0
 BEGIN
 SET @SQL=N'USE ['+@DBNAME+'];'+CHAR(10)
 +'
  DECLARE @TotalLogSpace DECIMAL(18, 1)
  DECLARE @FreeLogSpace DECIMAL(18, 1)
  DECLARE @filename NVARCHAR(MAX)
  DECLARE @CanshrinkSize BIGINT
  DECLARE @SQL1 nvarchar(MAX)
SELECT @TotalLogSpace=(SUM(CONVERT(dec(17, 2), sysfiles.size)) / 128) 
  FROM dbo.sysfiles AS sysfiles WHERE [groupid]=0
SELECT @FreeLogSpace = ( SUM(( size - FILEPROPERTY(name, ''SpaceUsed'') )) )/ 128.0
  FROM sys.database_files
  WHERE [type] = 1
SELECT @filename=name FROM sys.database_files WHERE [type]=1
SET @CanshrinkSize=CAST((@TotalLogSpace-@FreeLogSpace) AS BIGINT)
 SET @SQL1 = ''USE ['+@DBNAME+']''
SET @SQL1 = @SQL1+
 ''DBCC SHRINKFILE (['' + @filename + ''],'' + CAST(@CanshrinkSize+1 AS NVARCHAR(MAX)) + '')''
 EXEC (@SQL1)'
 EXEC (@SQL)
  FETCH NEXT FROM @itemCur INTO @DBNAME
 END 
CLOSE @itemCur
DEALLOCATE @itemCur
SELECT * FROM [#DataBaseServerData]
DROP TABLE [#DataBaseServerData]
END

幸亏报错信息还是很全面，根据报错信息找到相关的数据库，执行一下DBCC LOGINFO

dbcc loginfo(N'cdb')