Oracle：ORA-01555与BLOB
错误，如题所示，具体报错如下：
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[oracle@DC15VM-032 backup]$ exp system/oracle file=dump_20170817.dmp tables=vcloud.property_map Export: Release 11.2.0.4.0 - Production on Thu Aug 17 18:08:33 2017 Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options Export done in WE8MSWIN1252 character set and AL16UTF16 NCHAR character set About to export specified tables via Conventional Path ... Current user changed to VCLOUD . . exporting table PROPERTY_MAP EXP-00056: ORACLE error 1555 encountered ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old Export terminated successfully with warnings. [oracle@DC15VM-032 backup]$ [oracle@DC15VM-032 backup]$ [oracle@DC15VM-032 backup]$ |
看看上面出问题的数据表的详情：
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SQL> desc vcloud.property_map Name Null? Type ----------------------------------------- -------- ---------------------------- PM_ID NOT NULL RAW(16) INV_ID NOT NULL RAW(16) VC_ID NOT NULL RAW(16) MOREF NOT NULL VARCHAR2(128) MOTYPE NOT NULL NUMBER(2) AGE NOT NULL NUMBER(10) IS_DELETED NOT NULL NUMBER(1) PROPERTY_MAP NOT NULL BLOB SQL> SQL> set serverout on SQL> exec dbms_output.enable(100000); PL/SQL procedure successfully completed. SQL> declare 2 page number; 3 len number; 4 c varchar2(10); 5 charpp number := 8132/2; 6 7 begin 8 for r in (select rowid rid, dbms_lob.getlength (PROPERTY_MAP) len 9 from vcloud.property_map) loop 10 if r.len is not null then 11 for page in 0..r.len/charpp loop 12 begin 13 select dbms_lob.substr (PROPERTY_MAP, 1, 1+ (page * charpp)) 14 into c 15 from vcloud.property_map 16 where rowid = r.rid; 17 18 exception 19 when others then 20 dbms_output.put_line ('Error on rowid ' ||R.rid||' page '||page); 21 dbms_output.put_line (sqlerrm); 22 end; 23 end loop; 24 end if; 25 end loop; 26 end; 27 / Error on rowid AAAYz8AAGAAABXhAAA page 0 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAA page 1 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAA page 2 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAA page 3 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAA page 4 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAA page 5 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAJ page 0 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAJ page 1 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAJ page 2 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAJ page 3 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAJ page 4 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAABXhAAJ page 5 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAELqAAL page 0 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAELqAAL page 1 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAELqAAL page 2 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAELqAAL page 3 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAELqAAL page 4 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAELqAAL page 5 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAJmQAAl page 0 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAaMsAAC page 0 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAaMsAAQ page 0 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAaMsAAQ page 1 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAaMsAAQ page 2 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAaMsAAQ page 3 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAaMsAAQ page 4 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAAaMsAAQ page 5 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAA4B3AAF page 2 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAA4B3AAF page 3 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAA4B3AAF page 6 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAA4B3AAF page 7 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 Error on rowid AAAYz8AAGAAA4B3AAF page 8 ORA-01555: snapshot too old: rollback segment number with name "" too small ORA-22924: snapshot too old ORA-06512: at "SYS.DBMS_LOB", line 1084 ORA-06512: at line 1 PL/SQL procedure successfully completed. SQL> |
对于该报错，Oracle Support，也有说明：
ORA-01555 And[……]