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java.lang.NullPointerException at fr.free.nrw.commons.upload.UploadController$2.doInBackground(UploadController.java:145) at fr.free.nrw.commons.upload.UploadController$2.doInBackground(UploadController.java:112) at android.os.AsyncTask$2.call(AsyncTask.java:287) at java.util.concurrent.FutureTask.run(FutureTask.java:234) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573) at java.lang.Thread.run(Thread.java:838)