Unable to open stack trace file '/data/anr/traces.txt/: Permission denied

Question

I am novice android developer & i am learning android from this book http://www.informit.com/store/product.aspx?isbn=9780321673350

I am on chapter 10.

Answer 1

Make sure adb is in you system path or cd to it first.
Then try the following:

adb shell
cd \data
chmod 777 anr

Then try again.
Don't ask me why the permissions go wonky, but I've had this too.