I'm facing classNotFoundException

[yaswanth mandava]

[error] application -  Exception : ClassNotFoundException plugins.CustomAuthenticationProvider

[error] application -  Exception : ClassNotFoundException plugins.CustomAuthenticationProvider

[error] play - Cannot invoke the action, eventually got an error: java.lang.NullPointerException

[error] application -

! @73pg870go - Internal server error, for (GET) [/] ->

play.api.Application$$anon$1: Execution exception[[NullPointerException: null]]

        at play.api.Application$class.handleError(Application.scala:293) ~[play_2.10.jar:2.2.3]

        at play.api.DefaultApplication.handleError(Application.scala:399) [play_2.10.jar:2.2.3]

        at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$3$$anonfun$applyOrElse$3.apply(PlayDefaultUpstreamHandler.scala:264) [play_2.10.jar:2.2.3]

        at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$3$$anonfun$applyOrElse$3.apply(PlayDefaultUpstreamHandler.scala:264) [play_2.10.jar:2.2.3]

        at scala.Option.map(Option.scala:145) [scala-library.jar:na]

        at play.core.server.netty.PlayDefaultUpstreamHandler$$anonfun$3.applyOrElse(PlayDefaultUpstreamHandler.scala:264) [play_2.10.jar:2.2.3]

Caused by: java.lang.NullPointerException: null

        at com.ge.dsv.controllers.Secured.getUsername(Secured.java:42) ~[predix-v-runtime_2.10-1.8.0.jar:1.8.0]

        at play.mvc.Security$AuthenticatedAction.call(Security.java:34) ~[play_2.10.jar:2.2.3]

        at com.ge.dsv.session.SessionManager.call(SessionManager.java:209) ~[session_2.10-1.8.0.jar:1.8.0]

        at play.core.j.JavaAction$$anon$3.apply(JavaAction.scala:91) ~[play_2.10.jar:2.2.3]

        at play.core.j.JavaAction$$anon$3.apply(JavaAction.scala:90) ~[play_2.10.jar:2.2.3]

        at play.core.j.FPromiseHelper$$anonfun$flatMap$1.apply(FPromiseHelper.scala:82) ~[play_2.10.jar:2.2.3]

Can anybody help me to solve this exception

[Hardik Soni]

Lets solve to gather  ..remove company information ...