a java.lang.NullPointerException bug

[tingsu]

Hi, we tested this app with an automated GUI testing tool developed by us. And We found a java.lang.NullPointerException bug. The app is run on an Android 4.4.4 KitKat phone.

Here is the adb logcat:

E/PasswordMakerProForAndroidActivity( 7783): Could not load default values
E/PasswordMakerProForAndroidActivity( 7783): java.lang.NullPointerException
E/PasswordMakerProForAndroidActivity( 7783): at org.passwordmaker.android.PasswordMakerProForAndroidActivity.getDefaultInputText(PasswordMakerProForAndroidActivity.java:216)
E/PasswordMakerProForAndroidActivity( 7783): at org.passwordmaker.android.PasswordMakerProForAndroidActivity.loadDefaultValueForFields(PasswordMakerProForAndroidActivity.java:198)
E/PasswordMakerProForAndroidActivity( 7783): at org.passwordmaker.android.PasswordMakerProForAndroidActivity.onCreate(PasswordMakerProForAndroidActivity.java:129)
E/PasswordMakerProForAndroidActivity( 7783): at android.app.Activity.performCreate(Activity.java:5361)
E/PasswordMakerProForAndroidActivity( 7783): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
E/PasswordMakerProForAndroidActivity( 7783): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2163)
E/PasswordMakerProForAndroidActivity( 7783): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2258)
E/PasswordMakerProForAndroidActivity( 7783): at android.app.ActivityThread.access$800(ActivityThread.java:147)
E/PasswordMakerProForAndroidActivity( 7783): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1211)
E/PasswordMakerProForAndroidActivity( 7783): at android.os.Handler.dispatchMessage(Handler.java:102)
E/PasswordMakerProForAndroidActivity( 7783): at android.os.Looper.loop(Looper.java:136)
E/PasswordMakerProForAndroidActivity( 7783): at android.app.ActivityThread.main(ActivityThread.java:5135)
E/PasswordMakerProForAndroidActivity( 7783): at java.lang.reflect.Method.invokeNative(Native Method)
E/PasswordMakerProForAndroidActivity( 7783): at java.lang.reflect.Method.invoke(Method.java:515)
E/PasswordMakerProForAndroidActivity( 7783): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
E/PasswordMakerProForAndroidActivity( 7783): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:611)
E/PasswordMakerProForAndroidActivity( 7783): at dalvik.system.NativeStart.main(Native Method)
E/ActivityThread( 7783): Failed to find provider info for com.leadcore.sdb
E/PasswordMakerProForAndroidActivity( 7783): Could not load default values

Could you point out the root cause?