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    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.LinearLayoutManager.scrollToPosition(int)' on a null object reference
        at com.marshalchen.ultimaterecyclerview.demo.loadmoredemo.DebugLoadMoreActivity.onFireRefresh(DebugLoadMoreActivity.java:71)
        at com.marshalchen.ultimaterecyclerview.demo.loadmoredemo.BasicFunctions$3$1.run(BasicFunctions.java:82)
        at android.os.Handler.handleCallback(Handler.java:739)
        at android.os.Handler.dispatchMessage(Handler.java:95)
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