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Request	Mean time (ms)	Max time (ms)	Standard deviation	Mean cpu time (ms)	% of system error
SEVERE: Exception occured during getting connection ::null	-1	0	0		100.00

Stack-trace
java.lang.NullPointerException
      at com.tkd.sims.DataBase.DBConnection.getConnection(DBConnection.java:104)
      at com.tkd.sims.Performance.PerformanceProcessThread.run(PerformanceProcessThread.java:104)