为什么通过ODBC数据源连接数据库会出现问题？？

在tomcat里提示如下错误：
java.sql.SQLException: [Microsoft][ODBC SQL Server Driver]无效的描述符索引
java.sql.SQLException: [Microsoft][ODBC SQL Server Driver]无效的描述符索引
        at sun.jdbc.odbc.JdbcOdbc.createSQLException(JdbcOdbc.java:6958)
        at sun.jdbc.odbc.JdbcOdbc.standardError(JdbcOdbc.java:7115)
        at sun.jdbc.odbc.JdbcOdbc.SQLGetDataString(JdbcOdbc.java:3908)
        at sun.jdbc.odbc.JdbcOdbcResultSet.getDataString(JdbcOdbcResultSet.jav
5702)
        at sun.jdbc.odbc.JdbcOdbcResultSet.getString(JdbcOdbcResultSet.java:35        at sun.jdbc.odbc.JdbcOdbcResultSet.getString(JdbcOdbcResultSet.java:41        at org.apache.jsp.bookshop.index_jsp._jspService(index_jsp.java:132)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapp
.java:311)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java
01)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Ap
icationFilterChain.java:284)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(Applicatio
ilterChain.java:204)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrappe
alve.java:257)
        at org.apache.catalina.core.StandardValveContext.invokeNext(StandardVa
eContext.java:151)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.j
a:567)
        at org.apache.catalina.core.StandardContextValve.invokeInternal(Standa
ContextValve.java:245)
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