最近客戶在打10.2.0.5.19 PSU補丁，執行@catbundle.sql psu apply,報ORA-07445:exception encountered: core dump [joet_create_root_thread_group()+140] [SIGSEGV] [Address not mapped to object] [0x000000008] [] []錯誤。導致升級無法進行下去。

檢視相關文件，只顯示如下資訊：

沒有其他方案，只能備份資料庫，來嘗試上邊的方案，但是在邏輯備份時同樣遇到上邊的錯誤。無奈只能使用rman進行備份。

根據1940340.1這個文件上的說可能是在應用PSU是導致的oracle buf。

按照步驟如下：

Create pfile=’/home/oracle/pfie.ora’ from spfile ;\

SQL> alter system set java_jit_enabled = FALSE; ---10g 不需要

SQL> alter system set "_system_trig_enabled"=FALSE;---

SQL> alter system set JOB_QUEUE_PROCESSES=0;

SQL> startup restrict

SQL> @catbundle.sql psu apply –跑完還原引數

SQL> alter system set "_system_trig_enabled"=TRUE;

SQL> alter system set JOB_QUEUE_PROCESSES=10;

重啟資料庫。

參考1940340.1文件

文件資訊如下：

ORA-07445[joet_create_root_thread_group()+145] After Applying Patch 19791427 or Patch 19282015 ( 文件 ID 1940340.1)

In this Document

APPLIES TO:

Oracle Database - Enterprise Edition - Version 11.2.0.3 to 11.2.0.3 [Release 11.2]
Information in this document applies to any platform.

SYMPTOMS

ORA-07445: exception encountered: core dump [joet_create_root_thread_group()+145] is seen at startup.

The issue happens in CDC environments and the following statement is seen in the alert log:

----- Current SQL Statement for this session (sql_id=f03bykh6st1m5) -----
BEGIN
      /* NOP UNLESS A TABLE OBJECT */
      IF dictionary_obj_type = 'TABLE'
      THEN
        sys.dbms_cdc_ipublish.change_table_trigger(dictionary_obj_owner,dictionary_obj_name,sysevent);
      END IF;
      END;
----- PL/SQL Stack -----
----- PL/SQL Call Stack -----
object      line object
handle    number name
0xa7dd71c0        12 package body SYS.DBMS_CDC_IPUBLISH

The error can also be seen from MMON_SLAVE with an action of : JAVAVM JIT slave action without any SQL statement referenced.

The call stack is:

joet_create_root_th <- read_group <- joet_aux_thread_mai
<- seoa_note_stack_out <- side <- joet_thread_main <- sjontlo_initialize <- joe_enter_vm
<- ioei_execute <- ioesub_EXECUTE <- seoa_note_stack_out <- side <- ioe_execute
<- side <- jox_ioe_execute <- joxgrovel_jitsomeme <- thods <- joxgroveldrv
<- thods <- joxjitexe <- joxrdp_ <- joxrdp <- kebm_slave_main
<- ksvrdp <- opirip <- opidrv <- sou2o <- opimai_real
<- ssthrdmain <- main <- libc_start_main <- start

joet_create_root_thread_group <- joet_aux_thread_main
<- seoa_note_stack_outside <- joet_thread_main <- sjontlo_initialize <- joe_enter_vm

CHANGES

Apply Patch 19791427 : COMBO OF OJVM COMPONENT 11.2.0.3.1 DB PSU + DB PSU 11.2.0.3.12 (OCT2014)

OR

Patch 19282015: ORACLE JAVAVM COMPONENT 11.2.0.3.1 DATABASE PSU (OCT2014) +
Patch 19121548: DATABASE PATCH SET UPDATE 11.2.0.3.12 (INCLUDES CPUOCT2014)

OR ONLY

Patch 19282015 "ORACLE JAVAVM COMPONENT 11.2.0.3.1 DATABASE PSU (OCT2014)

CAUSE

The cause is a problem within the Patch and it is investigated by Development in active bugs:

- RECEIVE ORA-07445[JOET_CREATE_ROOT_THREAD_GROUP()] AFTER APPLYING PATCH 19791427

- ORA-7445 [JOET_CREATE_ROOT_THREAD_GROUP()+136] ON SMON CACHE RECOVERY

ORACLE ORA-07445 joet_create_root_thread_group ( ) + 140與BUG:19904315

APPLIES TO:

SYMPTOMS

CHANGES

CAUSE

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