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我已经从 oracle 10.2.0.5.0 数据库中导出了一个数据库架构，并expdp以架构的所有者身份登录。

现在我尝试在 Oracle 12.1.0.2.0 数据库上导入数据impdp，并以 sys 身份登录并使用角色sysdba。

expdp 命令：

expdp "owner/password@hostname/servicename" schemas=SCHEMA_NAME directory=EXPDIR dumpfile=SCHEMA_NAME.dmp logfile=SCHEMA_NAME.log

impdp 命令：

impdp "sys/password@hostname/servicename as sysdba" schemas=SCHEMA_NAME directory=EXPDIR dumpfile=SCHEMA_NAME.dmp logfile=SCHEMA_NAME.log

导入给了我错误消息：

Processing object type SCHEMA_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
ORA-39014: One or more workers have prematurely exited.
ORA-39029: worker 1 with process name "DW00" prematurely terminated
ORA-31671: Worker process DW00 had an unhandled exception.
ORA-01000: maximum open cursors exceeded
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.PUT_DDLS [INDEX:"SCHEMA_NAME"."UK$SOME$NAME"] 
CREATE UNIQUE INDEX "SCHEMA_NAME"."UK$SOME$NAME" ON "SCHEMA_NAME"."TABLE_NAME" ("COLUMN_NAME") PCTFREE 10 INITRANS 2 MAXTRANS 255  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT) TABLESPACE "TBLSPC" PARALLEL 1 
ORA-31625: Schema SYS is needed to import this object, but is unaccessible
ORA-00604: error occurred at recursive SQL level 2
ORA-01000: maximum open cursors exceeded
ORA-06512: at "SYS.KUPW$WORKER", line 9193
ORA-06512: at "SYS.KUPW$WORKER", line 22449
ORA-31625: Schema SYS is needed to import this object, but is unaccessible
ORA-00604: error occurred at recursive SQL level 2
ORA-01000: maximum open cursors exceeded
ORA-01000: maximum open cursors exceeded
ORA-39014: One or more workers have prematurely exited.
ORA-39029: worker 2 with process name "DW00" prematurely terminated
ORA-31671: Worker process DW00 had an unhandled exception.
ORA-01000: maximum open cursors exceeded
ORA-39126: Worker unexpected fatal error in KUPW$WORKER.PUT_DDLS [INDEX:"SCHEMA_NAME"."IDX$SOME$OTHER_NAME"] 
CREATE INDEX "SCHEMA_NAME"."IDX$SOME$OTHER_NAME" ON "SCHEMA_NAME"."OTHER_TABLE_NAME" ("OTHER_COLUMN_NAME") PCTFREE 10 INITRANS 2 MAXTRANS 255  STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645 PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT FLASH_CACHE DEFAULT CELL_FLASH_CACHE DEFAULT) TABLESPACE "TBLSPC" PARALLEL 1 
ORA-31625: Schema SYS is needed to import this object, but is unaccessible
ORA-00604: error occurred at recursive SQL level 2
ORA-01000: maximum open cursors exceeded
ORA-06512: at "SYS.KUPW$WORKER", line 9193
ORA-06512: at "SYS.KUPW$WORKER", line 22449
ORA-31625: Schema SYS is needed to import this object, but is unaccessible
ORA-00604: error occurred at recursive SQL level 2
ORA-01000: maximum open cursors exceeded
ORA-01000: maximum open cursors exceeded
Job "SYS"."SYS_IMPORT_SCHEMA_13" stopped due to fatal error at Fri Dec 1 14:09:07 2017 elapsed 0 00:02:05

我试图增加打开游标的最大数量，但没有帮助。

使用 EXCLUDE=INDEX 选项，导入运行没有错误，但我也需要它们。

接下来我可以尝试什么？

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2 回答 2

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ORA-01000：在 12c 中的 DataPump 导入 (IMPDP) 期间超过了最大打开游标（文档 ID 2283800.1）最后更新于 2017 年 8 月 8 日

调用数据泵导入

除非 Oracle 技术支持要求，否则不要调用 Import as SYSDBA。SYSDBA是内部使用的，有专门的功能；它的行为与一般用户不同。

于 2017-12-01T14:42:23.763 回答
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ORA-01000：在 12c 中执行 DataPump 作业期间超出的最大打开游标数（文档 ID 2283800.1）

原因

OPEN_CURSOR 的值设置得不够高。

在进行 DataPump 导入时，游标的数量取决于各种因素，包括对象数量、分区、索引、涉及的递归 SQL 等。另外，在 12c 上，impdp 的内部处理比 10g 更复杂，因此可能需要一个更高的 open_cursor 以完成导入工作。

解决方案

暂时将 OPEN_CURSORS 增加到足够高的值，例如 2000，然后重做 DataPump 作业。

于 2020-03-29T15:04:46.270 回答