Portal Addin broke Java installation

Read Hat EL Workstation:
I downloaded the portal-addin.zip and folled the install instruction. It did absolutly not work. Instead it broke my Java installation. When calling java from the command linie I get:
libgcj-java-placeholder.sh
This script is a placeholder for the /usr/bin/java and /usr/bin/javac
master links required by jpackage.org conventions. libgcj's
rmiregistry, rmic and jar tools are now slave symlinks to these
masters, and are managed by the alternatives(8) system.
This change was necessary because the rmiregistry, rmic and jar tools
installed by previous versions of libgcj conflicted with symlinks
installed by jpackage.org JVM packages.
When I look at the java links I see
java -> /etc/alternatives/java
java -> /usr/share/java/libgcj-java-placeholder.sh
but the script contains nothing but echos:
cat /usr/share/java/libgcj-java-placeholder.sh
#!/bin/sh
echo "libgcj-java-placeholder.sh"
echo
echo "This script is a placeholder for the /usr/bin/java and /usr/bin/javac"
echo "master links required by jpackage.org conventions. libgcj's"
echo "rmiregistry, rmic and jar tools are now slave symlinks to these"
echo "masters, and are managed by the alternatives(8) system."
echo
echo "This change was necessary because the rmiregistry, rmic and jar tools"
echo "installed by previous versions of libgcj conflicted with symlinks"
echo "installed by jpackage.org JVM packages.
Questions:
1) How are the links supposed to point in order for my java to work?
2) How to get the portal addin to work?
3) How can Oracle provide me with such crap which screws up my system and wastes my time?
Flemming G. Jensen

OTN Customer Team!
Are you able to answer an Oracle customer (and partner ) on this topic?
Or is this forum a dead-end??
--Flemming                                                                                                                                                                                                                                                                                            

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