Under rare scenarios, DB2 might abend or give a SQL0901N (Bad
Plan; Unresolved QNC found) error during bind.
Stack Trace for trap:
sqlnr_add_pushed_prd
sqlnr_joinppd4sel_action
sqlnr_comp
qlnr_seq
sqlnr_rcc
sqlnr_magic_detail_action
sqlnr_comp
sqlnr_seq
sqlnr_rcc
sqlnr_endqtb_action
For SQL0901N, users can see the db2diag.log entry like as below:
2012-05-01-18.02.51.821690+540 E499790A773 LEVEL: Error
PID : 622766 TID : 1544 PROC : db2sysc
INSTANCE: db2inst1 NODE : 000 DB : SAMPLE
APPHDL : 0-7 APPID: *LOCAL.db2inst1.120501090244
AUTHID : db2inst1
EDUID : 1544 EDUNAME: db2agent (SAMPLE) 0
FUNCTION: DB2 UDB, relation data serv, sqlrr_dump_ffdc, probe:10
MESSAGE : ADM14005E The following error occurred: "AppErr".
First Occurrence
Data Capture (FODC) has been invoked in the following
mode:
"Automatic". Diagnostic information has been recorded
in the
directory named
"/home/db2inst1/sqllib/db2dump/FODC_AppErr_2012-05-01-
18.02.51.811325_622766_1544_000/".
.
2012-05-01-18.02.51.825744+540 I502438A856 LEVEL: Severe
PID : 622766 TID : 1544 PROC : db2sysc
INSTANCE: db2inst1 NODE : 000 DB : SAMPLE
APPHDL : 0-7 APPID: *LOCAL.db2inst1.120501090244
AUTHID : db2inst1
EDUID : 1544 EDUNAME: db2agent (SAMPLE) 0
FUNCTION: DB2 UDB, relation data serv, sqlrr_dump_ffdc,
probe:300
DATA #1 : SQLCA, PD_DB2_TYPE_SQLCA, 136 bytes
sqlcaid : SQLCA sqlcabc: 136 sqlcode: -901 sqlerrml: 30
sqlerrmc: Bad Plan; Unresolved QNC found
sqlerrp : SQLNG006
sqlerrd : (1) 0x00000000 (2) 0x00000000 (3)
0x00000000
(4) 0x00000000 (5) 0xFFFFFFCE (6)
0x00000000
sqlwarn : (1) (2) (3) (4) (5) (6)
(7) (8) (9) (10) (11)
sqlstate:
The following db2diag.log entry also would be logged if
DIAGLEVEL is set as 4.
2012-05-01-18.02.51.929064+540 E544843A2106 LEVEL: Info
(Origin)
PID : 622766 TID : 1544 PROC : db2sysc
INSTANCE: db2inst1 NODE : 000 DB : SAMPLE
APPHDL : 0-7 APPID: *LOCAL.e97q5g.120501090244
AUTHID : db2inst1
EDUID : 1544 EDUNAME: db2agent (SAMPLE) 0
FUNCTION: DB2 UDB, SW- common services, sqlnn_cmpl, probe:650
MESSAGE : ZRC=0x801A006D=-2145779603=SQLZ_CA_BUILT
"SQLCA has already been built"
DATA #1 : String, 62 bytes
An unexpected error was detected during statement compilation.
DATA #2 : Boolean, 1 bytes
true
DATA #3 : Boolean, 1 bytes
false
DATA #4 : Boolean, 1 bytes
false
DATA #5 : Boolean, 1 bytes
false
DATA #6 : Hex integer, 4 bytes
0x00000000
DATA #7 : SQLCA, PD_DB2_TYPE_SQLCA, 136 bytes
sqlcaid : SQLCA sqlcabc: 136 sqlcode: -901 sqlerrml: 30
sqlerrmc: Bad Plan; Unresolved QNC found
sqlerrp : SQLNG006
sqlerrd : (1) 0x801A006D (2) 0x00000000 (3)
0x00000000
(4) 0x00000000 (5) 0xFFFFFFCE (6)
0x00000000
sqlwarn : (1) (2) (3) (4) (5) (6)
(7) (8) (9) (10) (11)
sqlstate:
DATA #8 : Hex integer, 4 bytes
0x00000040
DATA #9 : String, 822 bytes
Compiler error stack for rc = -2145779603:
sqlnn_cmpl[415]
sqlng_main[3163]
sqlng_main[1687]
sqlng_build_thread[742]
sqlng_process_return_op[1066]
sqlng_process_pipe_op[1413]
sqlng_process_mate_op[1990]
sqlng_process_pipe_op[1413]
sqlng_process_mate_op[1990]
sqlng_process_nljn_op[11038]
sqlng_build_thread[742]
sqlng_scan_derived_table[3823]
sqlng_build_thread[742]
sqlng_process_sort_op[12515]
sqlng_process_nljn_op[11217]
sqlng_build_thread[742]
sqlng_process_nljn_op[11038]
sqlng_build_thread[742]
sqlng_process_nljn_op[11460]
sqlng_build_thread[742]
sqlng_process_f_iscan[7020]
sqlng_process_eao_plan[2293]
sqlng_build_thread[742]
sqlng_process_pipe_op[1413]
sqlng_process_mate_op[1990]
sqlng_process_f_iscan[7206]
sqlng_build_TA_op[4323]
sqlng_build_INDX_obj[5213]
sqlng_build_KEY_obj[6205]
sqlng_build_INDX_key[50] |
