Hi ,
You may enable below options in responce file and try again.
-OPT silentInstallLicenseAcceptance="true"
-OPT allowNonRootSilentInstall="true"
-OPT disableOSPrereqChecking="true"
-OPT disableNonBlockingPrereqChecking="true"
-OPT installType="installNew"
-OPT profileType="standAlone"
-OPT feature="languagepack.console.all"
-OPT feature="languagepack.server.all"
-OPT installLocation="/optware/IBM/WebSphere7/AppServer"
-OPT PROF_enableAdminSecurity="true"
-OPT PROF_adminUserName=wasadmin
-OPT PROF_adminPassword=wasadmin
and the cmd
./install -options "responsefile.txt" -silent