java.sql.SQLException: Message file “”oracle.jdbc.dbaccess.Messages”” is missing.
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:333)
at oracle.jdbc.driver.OracleConnection.setAutoCommit(OracleConnection.java:1224)
at com.dcsoft.sql.DcsConnection.setAutoCommit(DcsConnection.java:122)
at com.dcsoft.sql.ConnectionManager$ConnectionPool.getConnectionEx(ConnectionManager.java:382)
at com.dcsoft.sql.ConnectionManager$ConnectionPool.getConnection(ConnectionManager.java:336)
at com.dcsoft.sql.ConnectionManager.getConnection(ConnectionManager.java:88)
at com.dcsoft.sql.ConnectionManager.getConnection(ConnectionManager.java:75)
at com.dcsoft.sql.DBUtil.getConnection(DBUtil.java:110)
at dcsoft.util.TopIndexAgent.(TopIndexAgent.java:25)

其中，最下一行（dcsoft.util.TopIndexAgent）是程序的调用，中间com是连接池，请问大家什么时候会报这种错误，怎样解决，谢谢！