The sample input file content is:

2012/02/12 @ 14:29:26,519 @	 -> 	java.lang.NullPointerException


2012/02/12 @ 14:23:26,519 @  ->  |  WARN | RMI TCP Connection(184923)-170.80.0.9 | Error in getting the Network Adapter


2012/02/12 @ 14:20:26,522 @  ->  |  WARN | RMI TCP Connection(184923)-170.80.0.9 | Error in getting the  Network Adapter

and output should look like:

2012/02/12 @ 14:20:26,522 @  ->  |  WARN | RMI TCP Connection(184923)-170.80.0.9 | Error in getting the  Network Adapter

2012/02/12 @ 14:23:26,519 @  ->  |  WARN | RMI TCP Connection(184923)-170.80.0.9 | Error in getting the Network Adapter

2012/02/12 @ 14:29:26,519 @	 -> 	java.lang.NullPointerException