java plugin won't workin on firefox

Dear all,
need your help about this issue
i'm newbie user that trying use openSUSE 13.1 32bit

in my web browser firefox the java won't working
i already try to intall the jre but i get some error like this :
# rpm -ivh jre-7u55-linux-i586.rpm
Preparing... ################################# [100%]
Updating / installing...
1:jre-1.7.0_55-fcs ################################# [100%]
error: unpacking of archive failed on file /usr/java/jre1.7.0_55/lib/rt.pack;536d8729: cpio: read failed - No such file or directory
error: jre-1.7.0_55-fcs.i586: install failed

please help me guys

nb. my default browser firefox 25.0