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java.lang.IllegalStateException: Target host must not be null, or set in parameters. scheme=null, host=null, path=192.168.1.139/a_test/send-data.php	at org.apache.http.impl.client.DefaultRequestDirector.determineRoute(DefaultRequestDirector.java:591)	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:293)	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)	at flix.yudi.kuesioner2.MainActivity$GetTextViewData.doInBackground(MainActivity.java:84)	at flix.yudi.kuesioner2.MainActivity$GetTextViewData.doInBackground(MainActivity.java:60)	at android.os.AsyncTask$2.call(AsyncTask.java:288)	at java.util.concurrent.FutureTask.run(FutureTask.java:237)