help installing Oracle 10g in on linux red hat l 5

    when i was installin database  10 g on linux  red hat 5  the requirements from  intallation  was Approved

and when prepared Oracle universal Installer  all failed... case an error

that tells : 

 cannot  open file object : no such file or directory .

    at java.lang.ClassLoader$NativeLibrary. load(NativeMethod)

     at java.lang.ClassLoader.loadLibrary0(unknow Source)

 .........etc ...etc