How to deal with the internal error in play framework 2

How to deal with the internal error in play framework 2

References

Reference NO 1

http://stackoverflow.com/questions/15198809/how-to-deal-with-the-internal-error-in-play-framework-2-incomplete-trailing-esc

Reference NO 2

https://groups.google.com/d/topic/play-framework/uJXsYw1sOjg

Reference NO 3

http://en.wikipedia.org/wiki/Play_Framework

Reference NO 4

http://www.slideshare.net/brikis98/the-play-framework-at-linkedin

Reference NO 5

http://www.playframework.com/documentation/1.2.5/

Reference NO 6

http://www.playframework.com/documentation/2.1.1/ScalaJson

Reference NO 7

http://java.dzone.com/articles/play-framework-20-peter-hilton

Reference NO 8

http://osdir.com/ml/play-framework/2011-11/msg00219.html