Find Java JRE Installation location Mac OS X

If you have upgraded Mac OS X 10.10 Yosemite, you may have noticed that the previously installed JRE is not available. Installed JRE error Mac OSX eclipse

As there is no JRE installed, Eclipse would throw the following error,

Installed JRE location no longer exists. JRE will be removed.
Reason: JRE removed

So to resolve this issue, you need to download JRE dmg (from oracle website) and re-configure JRE with Eclipse.

Configuring JRE with Eclipse

Go to Eclipse -> Preferences

Select Java-> Installed JREs -> Add

Now Select Standard VM

Now enter "/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home" in JRE Home text field. If the location is correct you will see all JRE system libraries being listed.

Click Finish and we are done with it! ..