Message1832

I get the below error when attempting to install on redhat desktop.  Using the sun jre1.6.0_02.  Any help would be appreciated.

sh-3.00# more /etc/redhat-release
Red Hat Desktop release 4 (Nahant Update 5)

sh-3.00$ /usr/java/jre1.6.0_02/bin/java -jar jython_installer-2.2rc3.jar --console 
Welcome to Jython !
You are about to install Jython version 2.2rc3
(at any time, answer c to cancel the installation)
For the installation process, the following languages are available: English, German
Please select your language [e/g] >>> e
Do you want to read the license agreement now ? [y/n] >>> n
Do you accept the license agreement ? [y/n] >>> y
The following installation types are available:
  1. All (everything, including sources)
  2. Standard (core, library modules, demos and examples, documentation)
  3. Minimum (core)
  9. Standalone (a single, executable .jar)
Please select the installation type [1/2/3/9] >>> 2
Do you want to install additional parts ? [y/n] >>> n
Do you want to exclude parts from the installation ? [y/n] >>> n
Please enter the target directory >>> /tmp/jython
Unable to find directory /tmp/jython, create it ? [y/n] >>> y
Please enter the target java home directory (== for current) >>> ==
Your java version to start Jython is: Sun Microsystems Inc. / 1.6.0_02
Please press Enter to proceed >>> 
Your operation system version is: Linux / 2.6.9-55.0.2.EL
Please press Enter to proceed >>> 
Summary:
  - mod: true
  - demo: true
  - doc: true
  - src: false
  - JRE: /usr/java/jre1.6.0_02
Please confirm copying of files to directory /tmp/jython [y/n] >>> y
 10 %
org.python.util.install.InstallerException: Error accessing jar file
        at org.python.util.install.JarInstaller.inflate(Unknown Source)
        at org.python.util.install.ConsoleInstaller.install(Unknown Source)
        at org.python.util.install.Installation.internalMain(Unknown Source)
        at org.python.util.install.Installation.main(Unknown Source)
Caused by: java.util.zip.ZipException: invalid entry size (expected 47828 but got 48149 bytes)
        at java.util.zip.ZipInputStream.readEnd(Unknown Source)
        at java.util.zip.ZipInputStream.read(Unknown Source)
        at java.io.FilterInputStream.read(Unknown Source)
        ... 4 more