使用jdbc运行以下查询时：

SELECT partition_name, high_value
FROM user_tab_partitions
WHERE table_name = 'SOME_TABLE_WITH_PARTITIONS';

尝试以下操作（在java中）：

rs.getString("high_value");

产生以下错误：

java.sql.SQLException: Stream has already been closed
    at oracle.jdbc.driver.LongAccessor.getBytesInternal(LongAccessor.java:127)
    at oracle.jdbc.driver.Accessor.getBytes(Accessor.java:926)
    at oracle.jdbc.driver.LongAccessor.getString(LongAccessor.java:154)
    at oracle.jdbc.driver.GeneratedStatement.getString(GeneratedStatement.java:287)
    at oracle.jdbc.driver.GeneratedScrollableResultSet.getString(GeneratedScrollableResultSet.java:374)
    at oracle.jdbc.driver.GeneratedResultSet.getString(GeneratedResultSet.java:594)
    at com.zaxxer.hikari.pool.HikariProxyResultSet.getString(HikariProxyResultSet.java)
    at sun.reflect.GeneratedMethodAccessor70.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.jdbcdslog.ResultSetLoggingHandler.invoke(ResultSetLoggingHandler.java:19)
    at com.sun.proxy.$Proxy22.getString(Unknown Source)
    at mypackage.MyClass.extractHighValue(MyClass.java:46)

• 请注意，这个问题与查询deprecated无关 LONG 类型。