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I'm a Java developer so I have the Java 7 JDK installed on my computer from Oracle (Sun). This obviously comes with the JRE. However, Google Chrome says I need the java plugin and wants me to install a JRE. Why is it not recognizing the one I already have?

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Ubuntu. Oracle Java 7. Install the Firefox/Chrome Oracle Java 7 plugin

In a terminal:

mkdir ~/.mozilla/plugins

Remove the IcedTea plugin, if it has been installed.

sudo apt-get remove icedtea6-plugin 

Remove a former version of the Java plugin (may or may not be present)

sudo rm ~/.mozilla/plugins/ 

Now you can install the plugin, by creating a symbolic link (you tell Firefox, where the plugin is located).

sudo ln -s /usr/lib/jvm/jre1.7.0_09/lib/i386/ ~/.mozilla/plugins/ 
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