jtds错误:java.sql.SQLException: I/O Error: SSO Failed: Native SSPI library not loa

java.sql.SQLException: I/O Error: SSO Failed: Native SSPI library not loaded. Check the java.library.path system property.
	at net.sourceforge.jtds.jdbc.TdsCore.login(TdsCore.java:611)
	at net.sourceforge.jtds.jdbc.ConnectionJDBC2.<init>(ConnectionJDBC2.java:331)
	at net.sourceforge.jtds.jdbc.ConnectionJDBC3.<init>(ConnectionJDBC3.java:50)
	at net.sourceforge.jtds.jdbc.Driver.connect(Driver.java:178)
	at java.sql.DriverManager.getConnection(DriverManager.java:582)
	at java.sql.DriverManager.getConnection(DriverManager.java:185)
	at com.ambow.upgrade.extraction.util.DB.getConnection(DB.java:46)
	at com.ambow.upgrade.extraction.dao.StudentExtractDAO.findAll(StudentExtractDAO.java:55)
	at com.ambow.upgrade.extraction.dao.StudentExtractDAO.main(StudentExtractDAO.java:92)
Caused by: java.io.IOException: SSO Failed: Native SSPI library not loaded. Check the java.library.path system property.
	at net.sourceforge.jtds.jdbc.TdsCore.sendMSLoginPkt(TdsCore.java:1894)
	at net.sourceforge.jtds.jdbc.TdsCore.login(TdsCore.java:584)
	... 8 more
Exception in thread "main" java.lang.NullPointerException
	at com.ambow.upgrade.extraction.dao.StudentExtractDAO.findAll(StudentExtractDAO.java:58)
	at com.ambow.upgrade.extraction.dao.StudentExtractDAO.main(StudentExtractDAO.java:92)



数据库用户名配置错误,失败。。。

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