YaakovHuang
``` Back traces starts. java.lang.RuntimeException: An error occurred while executing doInBackground() at android.os.AsyncTask$3.done(AsyncTask.java:325) at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354) at java.util.concurrent.FutureTask.setException(FutureTask.java:223) at java.util.concurrent.FutureTask.run(FutureTask.java:242) at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:243) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607) at java.lang.Thread.run(Thread.java:762) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.io.File.mkdirs()' on a null object reference at c.j.a.a.w(DiskLruCache.java:14) at c.n.c.i.a.e(BitmapPool.java:2) at c.n.c.i.a.f(BitmapPool.java:2) at c.n.c.n.g.a(DefaultImageGetter.java:4) at c.n.c.e.a(RichText.java:16) at c.n.c.o.a.b(CachedSpannedParser.java:32) at c.n.c.o.a.d(CachedSpannedParser.java:3) at c.n.c.e.j(RichText.java:10) at c.n.c.e$b.a(RichText.java:2) at c.n.c.e$b.doInBackground(RichText.java:1) at android.os.AsyncTask$2.call(AsyncTask.java:305) at java.util.concurrent.FutureTask.run(FutureTask.java:237) ... 4 more Back traces ends. ``` 希望作者能够抽个时间修复一下