expdp导出报错：
[oracle@orcl trace]$ more alert_orcl.log
Fri Apr 15 08:15:21 2022
Exception [type: SIGSEGV, Address not mapped to object] [ADDR:0x8] [PC:0x679BEA5, kupprwp()+7673] [flags: 0x0, count: 1]
Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_dw00_85903.trc (incident=49823):
ORA-07445: exception encountered: core dump [kupprwp()+7673] [SIGSEGV] [ADDR:0x8] [PC:0x679BEA5] [Address not mapped to object] []
ORA-31612: Allocation of process descriptor failed.
Incident details in: /u01/app/oracle/diag/rdbms/orcl/orcl/incident/incdir_49823/orcl_dw00_85903_i49823.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
[oracle@orcl trace]$ more /u01/app/oracle/diag/rdbms/orcl/orcl/incident/incdir_49823/orcl_dw00_85903_i49823.trc
Dump file /u01/app/oracle/diag/rdbms/orcl/orcl/incident/incdir_49823/orcl_dw00_85903_i49823.trc
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORACLE_HOME = /u01/app/oracle/product/11g
System name: Linux
Node name: orcl
Release: 2.6.32-754.el6.x86_64
Version: #1 SMP Tue Jun 19 21:26:04 UTC 2018
Machine: x86_64
Instance name: orcl
Redo thread mounted by this instance: 1
Oracle process number: 227
Unix process pid: 85903, image: oracle@orcl (DW00)
*** 2022-04-15 08:15:21.700
*** SESSION ID:(2237.1939) 2022-04-15 08:15:21.700
*** CLIENT ID:() 2022-04-15 08:15:21.700
*** SERVICE NAME:(SYS$BACKGROUND) 2022-04-15 08:15:21.700
*** MODULE NAME:() 2022-04-15 08:15:21.700
*** ACTION NAME:() 2022-04-15 08:15:21.700
Dump continued from file: /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_dw00_85903.trc
ORA-07445: exception encountered: core dump [kupprwp()+7673] [SIGSEGV] [ADDR:0x8] [PC:0x679BEA5] [Address not mapped to object] []
ORA-31612: Allocation of process descriptor failed.
========= Dump for incident 49823 (ORA 7445 [kupprwp()+7673]) ========
----- Beginning of Customized Incident Dump(s) -----
