CentOS 64 bit and Java

I am trying to get java working in Chrome and Firefox on CentOS 6.3.  I followed this guide:

http://platao.plansis.com.br/blogkenio.nsf/dx/06022013205454KCAUVD.htm

After running rpm -Uvh jre-7u13-linux-x64.rpm and then alternatives --config java I don;t see the other instance of Java.  Not sure whats going on.


alternatives --config java 

There is 1 program that provides 'java'.

  Selection    Command
-----------------------------------------------
*+ 1           /usr/lib/jvm/jre-1.6.0-openjdk.x86_64/bin/java

Enter to keep the current selection[+], or type selection number: 

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dmwynneAsked:
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gheistConnect With a Mentor Commented:
browser plugin for openjdk is called icedtea-web
it works in firefox-esr as included in system
there is no support for chrome on stone-age glibc contained in "enterprise linux"
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Duncan RoeSoftware DeveloperCommented:
You can only ever have on executable. It's either 64 or 32 bit. You can have co-existing libraries: an executable will use the 64 or 32 bit variant as appropriate.
By the way, Java class files are bytecode and any Java Run Environment will run them on any architecture (not just x86).
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dmwynneAuthor Commented:
Hi,

What does this mean for my situation?  It seems as if Oracle Java is not even recognized.  Is this because openjdk is built-in to Centos?
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dmwynneAuthor Commented:
OK I installed the icetea-web using yum.  Still did not show up in firefox.

I then went back to some other Java install instructions and noticed the symlink I created was broken.  I recreated using the correct path and restarted firefox and Java loads.

ln -s /usr/java/jre1.7.0_45/lib/amd64/libnpjp2.so /usr/lib64/mozilla/plugins

Thanks for the help.
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gheistCommented:
Icedtea-web works with openjdk 1.7 not some side-install.
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CEHJCommented:
/usr/lib/jvm/jre-1.6.0-openjdk.x86_64/bin/java
You should uninstall that before installing the latest version your package manager allows if you want a standard runtime. As the others have said, other plugins might be necessary for your browsers
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