log de erro

08-10 05:41:27.759: I/global(397): Default buffer size used in BufferedInputStream constructor. It would be better to be explicit if an 8k buffer is required.
08-10 05:41:27.759: I/dalvikvm(397): Could not find method java.lang.String.isEmpty, referenced from method org.jsoup.helper.DataUtil.getCharsetFromContentType
08-10 05:41:27.769: W/dalvikvm(397): VFY: unable to resolve virtual method 9450: Ljava/lang/String;.isEmpty ()Z
08-10 05:41:27.769: D/dalvikvm(397): VFY: replacing opcode 0x6e at 0x0022
08-10 05:41:27.769: D/dalvikvm(397): VFY: dead code 0x0025-003b in Lorg/jsoup/helper/DataUtil;.getCharsetFromContentType (Ljava/lang/String;)Ljava/lang/String;
08-10 05:41:27.769: D/dalvikvm(397): VFY: dead code 0x003e-0040 in Lorg/jsoup/helper/DataUtil;.getCharsetFromContentType (Ljava/lang/String;)Ljava/lang/String;
08-10 05:41:27.839: D/dalvikvm(397): GC_FOR_MALLOC freed 2293 objects / 128968 bytes in 55ms
08-10 05:41:27.849: W/dalvikvm(397): threadid=7: thread exiting with uncaught exception (group=0x4001d800)
08-10 05:41:27.849: E/AndroidRuntime(397): FATAL EXCEPTION: AsyncTask #1
08-10 05:41:27.849: E/AndroidRuntime(397): java.lang.RuntimeException: An error occured while executing doInBackground()
08-10 05:41:27.849: E/AndroidRuntime(397): 	at android.os.AsyncTask$3.done(AsyncTask.java:200)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at java.util.concurrent.FutureTask.setException(FutureTask.java:124)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at java.util.concurrent.FutureTask.run(FutureTask.java:137)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1068)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:561)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at java.lang.Thread.run(Thread.java:1096)
08-10 05:41:27.849: E/AndroidRuntime(397): Caused by: java.lang.NoSuchMethodError: java.lang.String.isEmpty
08-10 05:41:27.849: E/AndroidRuntime(397): 	at org.jsoup.helper.DataUtil.getCharsetFromContentType(DataUtil.java:173)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at org.jsoup.helper.HttpConnection$Response.execute(HttpConnection.java:484)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at org.jsoup.helper.HttpConnection$Response.execute(HttpConnection.java:424)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at org.jsoup.helper.HttpConnection.execute(HttpConnection.java:178)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at org.jsoup.helper.HttpConnection.get(HttpConnection.java:167)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at br.com.ponterionit.InicialActivity$RequestTask.doInBackground(InicialActivity.java:37)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at br.com.ponterionit.InicialActivity$RequestTask.doInBackground(InicialActivity.java:1)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at android.os.AsyncTask$2.call(AsyncTask.java:185)
08-10 05:41:27.849: E/AndroidRuntime(397): 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
08-10 05:41:27.849: E/AndroidRuntime(397): 	... 4 more