sometimes crash with:An error occured while executing doInBackground

[chendd]

FATAL EXCEPTION: AsyncTask #7
Process: com.dkhs.portfolio, PID: 11044
java.lang.RuntimeException: An error occured while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:300)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
at java.util.concurrent.FutureTask.run(FutureTask.java:242)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
at java.lang.Thread.run(Thread.java:841)
Caused by: java.lang.NullPointerException
at com.github.barteksc.pdfviewer.RenderingAsyncTask.proceed(RenderingAsyncTask.java:103)
at com.github.barteksc.pdfviewer.RenderingAsyncTask.doInBackground(RenderingAsyncTask.java:67)
at com.github.barteksc.pdfviewer.RenderingAsyncTask.doInBackground(RenderingAsyncTask.java:31)
at android.os.AsyncTask$2.call(AsyncTask.java:288)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587) 
at java.lang.Thread.run(Thread.java:841) 

[barteksc]

I will fix it soon.

[barteksc]

Should be fixed in 1.4.

[chendd]

thx