|
Problem IT06754
|
Status: Closed |
RUNNING TWO IDENTICAL ANONYMOUS BLOCK STATEMENT MAY RETURN SQL0901N "NOT ABLE TO LOCK VAR" |
| product: |
DB2 FOR LUW / DB2FORLUW / A10 - DB2 |
| Problem description: |
When running two identical statements via anonymous block,
SQL0901N "Not able to lock var" may be returned due to a small
timing hole in the locking protocol.
The following message can be found in the db2diag.log:
2015-01-16-10.53.19.008435+540 I48209136A878 LEVEL:
Severe
PID : 34734 TID : 2274210343184 PROC :
db2sysc 0
INSTANCE: db2inst1 NODE : 000 DB : DB01
APPHDL : 0-13550 APPID: *LOCAL.DB2.150130164857
AUTHID : USER01 HOSTNAME: HOST01
EDUID : 10922 EDUNAME: db2agent (DB01_ONL) 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: 20
sqlerrmc: Not able to lock var
sqlerrp : SQLRA06A
sqlerrd : (1) 0x00000000 (2) 0x00000000 (3)
0x00000000
(4) 0x00000000 (5) 0xFFFFFB82 (6)
0x00000000
sqlwarn : (1) (2) (3) (4) (5) (6)
(7) (8) (9) (10) (11)
sqlstate:
The following call stack can be found in the FODC_AppErr
directory:
0x0000020004DD54FC _Z13sqlzeDumpFFDCP8sqeAgentjP5sqlcai + 0x00f0
0x0000020004DD58F6
_Z12sqlzeSqlCodeP8sqeAgentjmjP5sqlcaitP13__va_list_tag + 0x019e
0x0000020003C6FB0C sqlrrSqlCode + 0x0148
0x0000020003DB5A6C
_Z18sqlra_find_var_varP8sqlrr_cbP17sqlra_cached_stmtPP16sqlra_ca
ched_envP14sqlra_cmpl_en
vjii15sqlra_fill_modePiiS9_S9_P14SQLP_LOCK_INFOSB_PP16sqlra_cach
ed_varS9_S9_S9_S9_bbPjSF_ + 0x082c
0x0000020003DB9458
_Z14sqlra_find_varP8sqlrr_cbP17sqlra_cached_stmt13sqlra_stmt_idj
jPhjthP14sqlra_cmpl_env1
5sqlra_fill_modePiiS8_iiiS8_P14SQLP_LOCK_INFOPP16sqlra_cached_va
rS8_b + 0x04e0
0x0000020003E4CC6E _Z13sqlra_get_varP8sqlrr_cbiibPbS1_ + 0x1b02
0x0000020003B899BE
_Z13sqlrr_prepareP14db2UCinterfaceP16db2UCprepareInfo + 0x0416
0x0000020003E6AA5E _Z25sqlraProcessPrepAnonBlockPvP5sqlca +
0x009e |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* anonymous block statement user *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to db2 Version 10.1 FixPack 5 or higher *
**************************************************************** |
| Local Fix: |
Avoid running the same anonymous block statement concurrently. |
| Solution |
Problem was first fixed in Version 10.1 FixPack 5 |
| Workaround |
not known / see Local fix |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 26.01.2015
15.07.2015
15.07.2015 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
| 10.1.0.5
|
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