java.lang.NullPointerException

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  • BufferedReader causes NPE
    via Stack Overflow by user2121
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  • Why can't filereader find my file?
    via Stack Overflow by Johnny
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    • java.lang.NullPointerException: lock == null at java.io.Reader.<init>(Reader.java:64) at java.io.BufferedReader.<init>(BufferedReader.java:107) at java.io.BufferedReader.<init>(BufferedReader.java:95) at com.example.com.ecoassistant_03.Populator.populate(Populator.java:38) at com.example.com.ecoassistant_03.ActMain.onOptionsItemSelected(ActMain.java:1182) at android.app.Activity.onMenuItemSelected(Activity.java:3205)

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