Direct links to fixes
7.1.0-TIV-NCI-ZLINUX-FP0006
7.1.0-TIV-NCI-WINDOWS-FP0006
7.1.0-TIV-NCI-SOLARIS-FP0006
7.1.0-TIV-NCI-LINUX-FP0006
7.1.0-TIV-NCI-AIX-FP0006
6.1.1-TIV-BSM-FP0004-windows
6.1.1-TIV-BSM-FP0004-zlinux
6.1.1-TIV-BSM-FP0004-solaris
6.1.1-TIV-BSM-FP0004-linux
6.1.1-TIV-BSM-FP0004-aix
6.1.1-TIV-NCI-FP0004-windows
6.1.1-TIV-NCI-FP0004-zlinux
6.1.1-TIV-NCI-FP0004-solaris
6.1.1-TIV-NCI-FP0004-aix
6.1.1-TIV-NCI-FP0004-linux
7.1.0-TIV-NCI-ZLINUX-FP0005
7.1.0-TIV-NCI-LINUX-FP0005
7.1.0-TIV-NCI-WINDOWS-FP0005
7.1.0-TIV-NCI-SOLARIS-FP0005
7.1.0-TIV-NCI-AIX-FP0005
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 3(7.1.0-TIV-NCI-FP0003)
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 4(7.1.0-TIV-NCI-FP0004)
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 5(7.1.0-TIV-NCI-FP0005)
IBM Tivoli Netcool/Impact V6.1.1 Fix Pack 4 (6.1.1-TIV-NCI-FP0004)
IBM Tivoli Business Service Manager V6.1.1 Fix Pack 4(6.1.1-TIV-BSM-FP0004)
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 6(7.1.0-TIV-NCI-FP0006)
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 7(7.1.0-TIV-NCI-FP0007)
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 8(7.1.0-TIV-NCI-FP0008)
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 9(7.1.0-TIV-NCI-FP0009)
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 10(7.1.0-TIV-NCI-FP0010)
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 11(7.1.0-TIV-NCI-FP0011)
IBM Tivoli Netcool/Impact V6.1.1 Fix Pack 5 (6.1.1-TIV-NCI-FP0005)
IBM Tivoli Business Service Manager V6.1.1 Fix Pack 5(6.1.1-TIV-BSM-FP0005)
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 12 (7.1.0-TIV-NCI-FP0012)
IBM Tivoli Netcool/Impact V7.1.0 Fix Pack 13 (7.1.0-TIV-NCI-FP0013)
APAR status
Closed as program error.
Error description
The regular expression gets stuck in an infinite loop trying to match the string. This will increase CPU usage.
Local fix
N/A
Problem summary
**************************************************************** * USERS AFFECTED: * * All Impact Users * **************************************************************** * PROBLEM DESCRIPTION: * * The regular expression gets stuck in an infinite loop trying * * to * * match the string. This will increase CPU usage. * **************************************************************** * RECOMMENDATION: * * NONE * **************************************************************** When a valid regular expression was run against and invalid string, it can cause the policy to run in an infinite loop and consume 100% of the CPU.
Problem conclusion
Added a timeout for when the regex gets stuck in a loop. The default timeout is 10000ms. This can be changed by adding impact.regex.timeout=<time in ms> to the <servername>_server.props. The fix for this APAR is contained in the following maintenance packages: |Fix Pack|6.1.1-TIV-NCI-FP0004 |Fix Pack|7.1.0-TIV-NCI-FP0003
Temporary fix
Comments
APAR Information
APAR number
IV74071
Reported component name
NETCOOL/IMPACT
Reported component ID
5724O59IS
Reported release
611
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2015-06-10
Closed date
2015-07-02
Last modified date
2016-10-12
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
UNKNOWN
Fix information
Fixed component name
NETCOOL/IMPACT
Fixed component ID
5724O59IS
Applicable component levels
R611 PSY
UP
R710 PSY
UP
Document Information
Modified date:
12 October 2016