结果集java。sql。SQLException

4 月，3 周 Questions & Answers 1015

我得到以下错误：

java.sql.SQLException: Exhausted Resultset
    at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134)
    at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:179)
    at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:269)
    at oracle.jdbc.driver.ScrollableResultSet.getOracleObject(ScrollableResultSet.java:655)
    at oracle.jdbc.driver.ScrollableResultSet.getFloat(ScrollableResultSet.java:828)
    at oracle.jdbc.driver.OracleResultSet.getFloat(OracleResultSet.java:1552)
    at website.web.InboxReader.NormalizeImp(InboxReader.java:625)
    at website.web.InboxReader.accessGmail(InboxReader.java:122)
    at website.web.InboxReader.main(InboxReader.java:51)

在这些行之后：

    ResultSet parentMessage = parentstmt.executeQuery("SELECT SUM(IMPORTANCE) AS IMPAVG FROM MAIL");
    avgsum = parentMessage.getFloat("IMPAVG");

我是不是做得不对

谢谢

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结果集java。sql。SQLException

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