oracle14g的使用问题-rs中含clob出错

statement handle not executed
2008-07-11 17:26:51,366 ERROR com.poson.ecss.app.search.IndexFiles:426 - ===oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
2008-07-11 17:26:51,367 ERROR com.poson.ecss.app.search.IndexFiles:426 - ===oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:146)
2008-07-11 17:26:51,367 ERROR com.poson.ecss.app.search.IndexFiles:426 - ===oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:208)
2008-07-11 17:26:51,367 ERROR com.poson.ecss.app.search.IndexFiles:426 - ===oracle.jdbc.driver.T4CPreparedStatement.doDescribe(T4CPreparedStatement.java:723)
2008-07-11 17:26:51,368 ERROR com.poson.ecss.app.search.IndexFiles:426 - ===oracle.jdbc.driver.OracleStatement.getColumnIndex(OracleStatement.java:3280)
2008-07-11 17:26:51,368 ERROR com.poson.ecss.app.search.IndexFiles:426 - ===oracle.jdbc.driver.OracleResultSetImpl.findColumn(OracleResultSetImpl.java:1914)
2008-07-11 17:26:51,369 ERROR com.poson.ecss.app.search.IndexFiles:426 - ===oracle.jdbc.driver.OracleResultSet.getObject(OracleResultSet.java:1503)----------------------------------------------------------
rs中含clob字段，sql可以执行，但是一从rs中取信息就出错，去掉rs中的clob字段就可以，哪位大侠用过这个驱动，请指教，谢谢！（驱动是weblogic9.2自带的）