请教 把 excel 中的数据导入到oracle 中问题

Question

打算从excel中的数据读取到mysql中从excel 中读出的数据放到float中去，总报exception：如下：
com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Unknown column 'Infinity' i
n 'field list'
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:936)
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2934)
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1616)
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1708)
        at com.mysql.jdbc.Connection.execSQL(Connection.java:3255)
        at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.ja
va:1293)
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java
:1566)
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java
:1480)
        at com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java
:1465)
        at com.deversoft.oa.wages.dao.Wages.insertIntoDb(Wages.java:203)
        at com.deversoft.oa.wages.dao.Wages.<init>(Wages.java:125)
        at com.deversoft.oa.wages.dao.ParseXls2.doParser(ParseXls2.java:114)
        at org.apache.jsp.ext.wagesmanager.doupload_jsp._jspService(org.apache.j
sp.ext.wagesmanager.doupload_jsp:78)
        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper
.java:322)
        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:2
91)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:269)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:188)
        at filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilte
r.java:123)是什么原因？