今天早上做数据库巡检，发现alert日志里出现如下错误： errors in file /home/oracle/admin/exmxsbusi/udump/exmxsbusi2_ora_27477.trc: ora-00600: 内部错误代码, 参数: [kqlnrc_1], [0x15e465678], [], [], [], [], [], [] mon jun 18 10:11:31 cst 2012 er
今天早上做数据库巡检，发现alert日志里出现如下错误：
Errors in file /home/Oracle/admin/exmxsbusi/udump/exmxsbusi2_ora_27477.trc:
ORA-00600: 内部错误代码, 参数: [kqlnrc_1], [0x15E465678], [], [], [], [], [], []
Mon Jun 18 10:11:31 CST 2012
Errors in file /home/Oracle/admin/exmxsbusi/udump/exmxsbusi2_ora_27477.trc:
ORA-00600: 内部错误代码, 参数: [kqlnrc_1], [0x15E465678], [], [], [], [], [], []
Mon Jun 18 10:11:55 CST 2012
Errors in file /home/Oracle/admin/exmxsbusi/udump/exmxsbusi2_ora_27477.trc:
ORA-00600: 内部错误代码, 参数: [kqlnrc_1], [0x15E465678], [], [], [], [], [], []
查看trace文件：
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP, Data Mining
and Real Application Testing options
Oracle_HOME = /home/oracle/db
System name: Linux
Node name: cpexmxsii-coddb-02
Release: 2.6.18-194.1.AXS3
Version: #1 SMP Fri May 7 10:03:53 CST 2010
Machine: x86_64
Instance name: exmxsbusi2
Redo thread mounted by this instance: 2
Oracle process number: 504
Unix process pid: 27477, image:Oracle@cpexmxsii-coddb-02
*** ACTION NAME:(Main session) 2012-06-18 10:11:14.231
*** MODULE NAME:(PL/SQL Developer) 2012-06-18 10:11:14.231
*** SERVICE NAME:(exmxsbusi) 2012-06-18 10:11:14.231
*** SESSION ID:(155.2098) 2012-06-18 10:11:14.231
*** 2012-06-18 10:11:14.231
ksedmp: internal or fatal error
ORA-00600: 内部错误代码, 参数: [kqlnrc_1], [0x15E465678], [], [], [], [], [], []
Current SQL statement for this session:
declare
c integer := 0;
p1 varchar2(500);
p2 varchar2(500);
expr varchar2(500);
dblink varchar2(500);
part1_type integer;
object_number integer;
dp integer;
begin
:object_type := null;
:object_owner := null;
:object_name := null;
:sub_object := null;
expr := :part1;
if :part2 is not null then expr := expr || '.' || :part2; end if;
if :part3 is not null then expr := expr || '.' || :part3; end if;
loop
begin
sys.dbms_utility.name_resolve(name => expr,
context => c,
schema => :object_owner,
part1 => p1,
part2 => p2,
dblink => dblink,
part1_type => part1_type,
object_number => object_number);
if part1_type = 1 then :object_type := 'INDEX'; end if;
if part1_type = 2 then :object_type := 'TABLE'; end if;
if part1_type = 4 then :object_type := 'VIEW'; end if;
if part1_type = 5 then :object_type := 'SYNONYM'; end if;
if part1_type = 6 then :object_type := 'SEQUENCE'; end if;
if part1_type = 7 then :object_type := 'PROCEDURE'; end if;
if part1_type = 8 then :object_type := 'FUNCTION'; end if;
if part1_type = 9 then :object_type := 'PACKAGE'; end if;
if part1_type = 12 then :object_type := 'TRIGGER'; end if;
if part1_type = 13 then :object_type := 'TYPE'; end if;
if part1_type = 28 then :object_type := 'JAVA SOURCE'; end if;
if part1_type = 29 then :object_type := 'JAVA CLASS'; end if;
if :object_type is null then
select object_type into :object_type
from sys.all_objects
where object_id = object_number;
end if;
exception
when others then null;
end;
c := c + 1;
if c > 9 then
dp := instr(expr, '.', -1);
if dp > 0 then
if :sub_object is not null then
:sub_object := '.' || :sub_object;
end if;
:sub_object := upper(substr(expr, dp + 1)) || :sub_object;
expr := substr(expr, 1, dp - 1);
c := 0;
end if;
end if;
exit when (:object_type is not null) or (c > 9);
end loop;
if :object_type is not null then
if p1 is null then
:object_name := p2;
elsif p2 is null then
:object_name := p1;
if :object_name = :part1 and :part2 is not null then
:sub_object := :part2;
end if;
if :object_name = :part2 and :part3 is not null then
:sub_object := :part3;
end if;
else
:object_name := p1;
:sub_object := p2;
end if;
return;
end if;
begin
if :part2 is null and :part3 is null then
select 'USER', null, :part1
into :object_type, :object_owner, :object_name
from sys.all_users u
where u.username = :part1
and rownum = 1;
return;
end if;
exception
when no_data_found then
null;
end;
begin
if :part2 is null and :part3 is null and :deep != 0 then
select 'ROLE', null, :part1
into :object_type, :object_owner, :object_name
from sys.session_roles r
where r.role = :part1
and rownum = 1;
return;
end if;
exception
when no_data_found then
null;
end;
if :deep != 0 then
begin
if :part2 is null then
select constraint_type, owner, constraint_name
into :object_type, :object_owner, :object_name
from sys.all_constraints c
where c.constraint_name = :part1
and c.owner = :cur_schema
and rownum = 1;
else
select constraint_type, owner, constraint_name, :part3
into :object_type, :object_owner, :object_name, :sub_object
from sys.all_constraints c
where c.constraint_name = :part2
and c.owner = :part1
and rownum = 1;
end if;
if :object_type = 'P' then
:object_type := 'PRIMARY KEY';
end if;
if :object_type = 'U' then
:object_type := 'UNIQUE KEY';
end if;
if :object_type = 'R' then
:object_type := 'FOREIGN KEY';
end if;
if :object_type = 'C' then
:object_type := 'CHECK CONSTRAINT';
end if;
return;
exception
when no_data_found then
null;
end;
end if;
end;
再看
----- PL/SQL Call Stack -----
object line object
handle number name
0x15d17ad68 116 package body SYS.DBMS_UTILITY
......
......
SO: 0x13667b708, type: 54, owner: 0x149fa2a30, flag: INIT/-/-/0x00
LIBRARY OBJECT PIN: pin=0x13667b708 handle=0x15e465678 mode=S lock=11a0570c8
user=15a46c3d0 session=15a46c3d0 count=1 mask=0001 savepoint=0x7675 flags=[00]
LIBRARY OBJECT HANDLE: handle=15e465678 mtx=0x15e4657a8(0) lct=1 pct=0 cdp=0
name=EXMXSQUERY.VW_EBAY_MAIL_CLCT@EBAYTRACK
hash=f0cd4f621dedeac376c5bc759c015f5e timestamp=12-22-2011 17:03:45
namespace=TABL flags=REM/KGHP/TIM/XLR/[00020020]
kkkk-dddd-llll=0000-0001-0001 lock=S pin=S latch#=14 hpc=0002 hlc=0002
lwt=0x15e465720[0x15e465720,0x15e465720] ltm=0x15e465730[0x15e465730,0x15e465730]
pwt=0x15e4656e8[0x15e4656e8,0x15e4656e8] ptm=0x15e4656f8[0x15e4656f8,0x15e4656f8]
ref=0x15e465750[0x15e465750,0x15e465750] lnd=0x15e465768[0x15e465768,0x15e465768]
LOCK INSTANCE LOCK: id=LBf0cd4f621dedeac3
PIN INSTANCE LOCK: id=NBf0cd4f621dedeac3 mode=S release=F flags=[00]
LIBRARY OBJECT: bject=1432efc78
type=SYNM flags=EXS/LOC[0005] pflags=[0000]status=INVLload=0
DATA BLOCKS:
看到这个地方，VW_EBAY_MAIL_CLCT是EBAYTRACK库上EXMXSQUERY用户下的一个同义词，应该是这个同义词失效了，一般同义词失效是其同义的对象删掉重建了，或者select权限收回了。为了证实这个认识，打电话询问开发的工程师当时有没有改动那个视图，回答时肯定的，说但是那个时间点正在create or replace，这样同义词就自动失效了。通过如下sql查询：
SQL> SELECT object_name,object_type,owner,status
2 FROM dba_objects
3 WHERE object_name='VW_EBAY_MAIL_CLCT';
OBJECT_NAME OBJECT_TYPE OWNER STATUS
-------------------- ------------------- ---------- -------
VW_EBAY_MAIL_CLCT VIEW EMSTRC VALID
VW_EBAY_MAIL_CLCT SYNONYM EMSQUERY INVALID
果然失效了。注意在10g中，同义词失效，但是还是可以查询的：
select count(*) from vw_ebay_mail_clct;
COUNT(*)
------------------
3398700
重建同义词：
create or replace synonym VW_EBAY_MAIL_CLCT for emstrc.VW_EBAY_MAIL_CLCT;
重新查询状态：
SQL> SELECT object_name,object_type,owner,status
2 FROM dba_objects
3 WHERE object_name='VW_EBAY_MAIL_CLCT';
OBJECT_NAME OBJECT_TYPE OWNER STATUS
-------------------- ------------------- ---------- -------
VW_EBAY_MAIL_CLCT VIEW EMSTRC VALID
VW_EBAY_MAIL_CLCT SYNONYM EMSQUERY VALID
状态已经变为valid了。
参考文档：
How To Find The Object That Causing ORA-600 [kqlnrc_1] [ID 1190673.1]
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