可能重複:
Spring's Stored Procedure - results coming back from procedure always empty.Java的春天JDBC Oracle存儲過程返回null
我有下面的代碼,雖然我知道這個電話應該導致內容我總是回一個空resultset任何人都可以建議爲什麼?
ParameterizedRowMapper<ExamPaper> mapper = new ParameterizedRowMapper<ExamPaper>() {
public ExamPaper mapRow(ResultSet rs, int rowNum) throws SQLException {
logger.info("in the row mapper with"+rs.toString());
logger.info("in the row mapper with x no of rows " +rowNum);
ExamPaper examPaper = new ExamPaper();
examPaper.setCampus(rs.getString("campus"));
examPaper.setTitle(rs.getString("title"));
examPaper.setPaper(rs.getString("paper"));
examPaper.setCode(rs.getString("code"));
examPaper.year.add(rs.getString("year"));
examPaper.semester.add(rs.getString("semester"));
return examPaper;
}
};
Map params = new HashMap();
params.put("ic_search_string","fluid");
params.put("ic_location_flag", "unmc");
logger.info("calling stored procedure");
OracleStoredProcedure storedProcedure = new OracleStoredProcedure(getDataSource(),"pkg_exam_papers.p_get_exam_papers",logger, mapper);
Map results = storedProcedure.execute(params);
logger.info(results.size());
public class OracleStoredProcedure extends StoredProcedure
{
private Log logger;
public OracleStoredProcedure(DataSource dataSource,String storedProcedureName, Log logger,ParameterizedRowMapper mapper)
{
super();
this.logger = logger;
setDataSource(dataSource);
setFunction(false);
setSql(storedProcedureName)
declareParameter(new SqlParameter("ic_search_string", OracleTypes.VARCHAR));
declareParameter(new SqlParameter("ic_location_flag", OracleTypes.VARCHAR));
declareParameter(new SqlOutParameter("orc_results", OracleTypes.CURSOR, mapper));
declareParameter(new SqlOutParameter("on_errcode", OracleTypes.INTEGER));
declareParameter(new SqlOutParameter("oc_errmess", OracleTypes.CHAR));
compile();
}
public Map execute(Map parameters)
{
Map out = new HashMap();
try
{
out = super.execute(parameters);
}
catch (NullPointerException nullPointerException)
{
logger.error("Exception when executing stored procedure: " + nullPointerException.getMessage());
}
catch(Exception exception)
{
logger.error("Exception when executing stored procedure: " + exception.getMessage());
}
return out;
}
}
代碼的小格式將真正幫助可讀性。有很多白色空間可以滾動瀏覽。 – 2011-02-14 18:47:57
存儲過程是什麼樣的?無論如何,它的標題。 – skaffman 2011-02-14 19:09:23
對於代碼格式的道歉 - 急於離開辦公室並想發佈問題 - 現在編輯 – 2011-02-14 21:01:51