I was reinstalling some old system on new O/S.. CentOS release 5.4 (Final)
After few time restarting Geoserver , no luck..
I tried the manual run of the script as follows :
export JAVA_HOME=$JHOME; export GEOSERVER_HOME=/opt/geoserver;export GEOSERVER_DATA_DIR=/opt/geos_shapefiles; /bin/sh $GEOSERVER_HOME/bin/startup.sh > /dev/null 2>1&
it complaining something about java.. then I remembered last time,
there is not using default java shipped with CentOS.
Did a quick check and remove that one..
rpm -qa | grep java yum remove java-1.6.0-openjdk-126.96.36.199-1.2.b09.el5
followed by reinstallation of packages of old version of java..
rpm -Uvh java-1.6.0-sun-* libXp-1.0.0-8.1.el5.i386.rpm
service geoserver restart
and it works !
so , stick to old ones..