DB2 9.5 fails to install with Segmentation fault

Recently i tried to install DB2 9.5 on CentOS. However i hit problems during the installation (which exits by itself) with the following java exception.

NULL
------------------------------------------------------------------------
0SECTION       TITLE subcomponent dump routine
NULL           ===============================
1TISIGINFO     Dump Event "gpf" (00002000) received
1TIDATETIME    Date:                 2008/03/22 at 12:34:40
1TIFILENAME    Javacore filename:    /tmp/javacore.
20080322.123439.5049.txt
NULL
------------------------------------------------------------------------
0SECTION       GPINFO subcomponent dump routine
NULL           ================================
2XHOSLEVEL     OS Level         : Linux 2.6.18-53.1.14.el5
2XHCPUS        Processors -
3XHCPUARCH       Architecture   : amd64
3XHNUMCPUS       How Many       : 2
NULL
1XHEXCPCODE    J9Generic_Signal_Number: 0000000000000004
1XHEXCPCODE    Signal_Number: 000000000000000B
1XHEXCPCODE    Error_Value: 0000000000000000
1XHEXCPCODE    Signal_Code: 0000000000000001
1XHEXCPCODE    Handler1: 00002AAAAAF2AFF0
1XHEXCPCODE    Handler2: 00002AAAAB17DE70
1XHEXCPCODE    InaccessibleAddress: 0000000000000018
NULL
1XHEXCPMODULE  Module: ./libdb2ure.so
1XHEXCPMODULE  Module_base_address: 00002AAAB9C1C000
1XHEXCPMODULE  Symbol: _ZN12InstallTCPIP13iIsPortOpenedEi
1XHEXCPMODULE  Symbol_address: 00002AAAB9D37FA6

**db2setup.err******************

/usr/share/themes/Clearlooks/gtk-2.0/gtkrc:60: Engine "clearlooks" is
unsupported, ignoring
Unhandled exception
Type=Segmentation error vmState=0x00000000
J9Generic_Signal_Number=00000004 Signal_Number=0000000b
Error_Value=00000000 Signal_Code=00000001
Handler1=00002AAAAAF2AFF0 Handler2=00002AAAAB17DE70
InaccessibleAddress=0000000000000018
RDI=0000000003510D90 RSI=0000003EE191A2C6 RAX=0000000000000000
RBX=000000000484E940
RCX=0000000000000000 RDX=0000000000000001 R8=0000000000000000
R9=FF2F626F6F626763
R10=0000000000000000 R11=0000000000000000 R12=000000000000003F
R13=000000000000EA60
R14=00000000404AD648 R15=000000000484E940
RIP=00002AAAB9D38022 GS=0004000000000000 FS=0000000400000000
RSP=00000000404AAD30
EFlags=0000000000010202 CS=0000000000000033 RBP=0000000000000001
ERR=0000000000000004
TRAPNO=000000000000000E OLDMASK=0000000000000000 CR2=0000000000000018
xmm0 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm1 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm2 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm3 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm4 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm5 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm6 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm7 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm8 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm9 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm10 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm11 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm12 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm13 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm14 0000000000000000 (f: 0.000000, d: 0.000000e+00)
xmm15 0000000000000000 (f: 0.000000, d: 0.000000e+00)
Module=./libdb2ure.so
Module_base_address=00002AAAB9C1C000
Symbol=_ZN12InstallTCPIP13iIsPortOpenedEi
Symbol_address=00002AAAB9D37FA6
Target=2_30_20070420_12448_LHdSMr (Linux 2.6.18-53.1.14.el5)
CPU=amd64 (2 logical CPUs) (0x7da88000 RAM)
JVMDUMP006I Processing Dump Event "gpf", detail "" - Please Wait.
JVMDUMP007I JVM Requesting System Dump using '/tmp/db2.tmp.3343/db2/
linuxamd64/install/core.20080322.123439.5049.dmp'
JVMDUMP010I System Dump written to /tmp/db2.tmp.3343/db2/linuxamd64/
install/core.20080322.123439.5049.dmp
JVMDUMP007I JVM Requesting Snap Dump using '/tmp/db2.tmp.3343/db2/
linuxamd64/install/Snap0002.20080322.123439.5049.trc'
JVMDUMP010I Snap Dump written to /tmp/db2.tmp.3343/db2/linuxamd64/
install/Snap0002.20080322.123439.5049.trc
JVMDUMP007I JVM Requesting Java Dump using '/tmp/javacore.
20080322.123439.5049.txt'
JVMDUMP010I Java Dump written to /tmp/javacore.
20080322.123439.5049.txt
JVMDUMP013I Processed Dump Event "gpf", detail "".

Further investigation shows that  installation succeed but fails during instance creation.

Resolution: The problem lies with the installation is unable to resolve the hostname. You need to add the hostname in the /etc/hosts file. After that the installation completes successfully.