jTDS驱动兼容性问题
Java连接SQL Server 2000数据库时,有两种方法: (1)通过Microsoft的JDBC 驱动 连接。此JDBC 驱动 共有三个文件,分别是mssqlserver.jar、msutil.jar和msbase.jar。但是Microsoft官网上已经找不到这些 驱动 ,其提供的sqljdbc.jar和sqljdbc4.jar并不支持SQ
Java连接SQL Server 2000数据库时,有两种方法:
(1)通过Microsoft的JDBC驱动连接。此JDBC驱动共有三个文件,分别是mssqlserver.jar、msutil.jar和msbase.jar。但是Microsoft官网上已经找不到这些驱动,其提供的sqljdbc.jar和sqljdbc4.jar并不支持SQL Server 2000。
驱动程序名称:com.microsoft.jdbc.sqlserver.SQLServerDriver(即下面的classforname)
数据库连接URL:jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=dbname(即下面的url)
(2)通过jTDS驱动连接。下载地址:http://sourceforge.net/projects/jtds/files/jtds/
驱动程序名称:net.sourceforge.jtds.jdbc.Driver(即下面的classforname)
数据库连接URL:jdbc:jtds:sqlserver://localhost:1433/dbname(即下面的url)
采用第二种方法连接时,可能报错:
java.lang.UnsupportedClassVersionError: net/sourceforge/jtds/jdbc/Driver : Unsupported major.minor version 51.0
JDK的版本号对应:
J2SE 7 = 51 (0x33 hex),
J2SE 6.0 = 50 (0x32 hex),
J2SE 5.0 = 49 (0x31 hex),
JDK 1.4 = 48 (0x30 hex),
JDK 1.3 = 47 (0x2F hex),
JDK 1.2 = 46 (0x2E hex),
JDK 1.1 = 45 (0x2D hex).
由此可知,上述错误是由于jTDS需要jdk7,而你使用的JDK版本不是jdk7。
解决方案:
(1)安装jdk7
(2)安装较低版本的jTDS(一般jTDS 3.x需要jdk7)
参考:
http://www.blogjava.net/guming123416/articles/28002.html
http://stackoverflow.com/questions/13403471/unsupported-version-error-using-jtds-with-scala

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