[CentOS] problems installing java .sh install script (CentOS 6.2)

I am installing a java program (.sh file), and I get this error.  Java

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tar: Skipping to next header
tar: Exiting with failure status due to previous errors
Installing java
sed: can't read jre-install.sh: No such file or directory
mv: cannot stat `jre1.6.0_13': No such file or directory
chmod: cannot access `jre/bin/java': No such file or directory
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Everything jre-* is yum installed, and "/usr/sbin/alternatives
--config java" is also set

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*+ 1           /usr/lib/jvm/jre-1.6.0-openjdk.x86_64/bin/java
   2           /usr/lib/jvm/jre-1.5.0-gcj/bin/java
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Any suggestions?  Distro is CentOS 6.2 (2.6.32-220.4.1.el6.x86_64).