【发布时间】:2014-10-22 19:40:31
【问题描述】:
我正在尝试从 Google Map API 获取地点列表,但出现以下错误。
执行HttpResponse时抛出错误。
我已经更正了上面的 url,现在错误已更改,我已将其发布在此代码 sn-p 下方。 [我从 ...json?&location... 中删除了 '&']。谢谢@323go。
try {
HttpClient httpClient = new DefaultHttpClient();
HttpResponse httpResponse = httpClient.execute(new HttpGet(paramurl));
int status = httpResponse.getStatusLine().getStatusCode();
if (status == 200) {
result = EntityUtils.toString(httpResponse.getEntity());
}
} catch (IOException e) {
e.printStackTrace();
**
}
这里是日志:
10-22 17:00:02.338 24247-24247/com.mussie.android.blocspot.blocspot E/BitmapFactory﹕ Unable to decode stream: java.io.FileNotFoundException: /51929ae149631b821866d0f99feccad0c41a8113: open failed: ENOENT (No such file or directory)
10-22 17:00:02.338 24247-24247/com.mussie.android.blocspot.blocspot D/AndroidRuntime﹕ Shutting down VM
10-22 17:00:02.348 24247-24247/com.mussie.android.blocspot.blocspot E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.mussie.android.blocspot.blocspot, PID: 24247
java.lang.NullPointerException
at com.google.j.a.cl.a(Unknown Source)
at com.google.maps.api.android.lib6.c.cs.<init>(Unknown Source)
at com.google.maps.api.android.lib6.c.cr.a(Unknown Source)
at com.google.maps.api.android.lib6.c.ac.<init>(Unknown Source)
at com.google.maps.api.android.lib6.c.ae.a(Unknown Source)
at com.google.maps.api.android.lib6.c.dw.a(Unknown Source)
at com.google.android.gms.maps.internal.l.onTransact(SourceFile:167)
at android.os.Binder.transact(Binder.java:361)
at com.google.android.gms.maps.internal.IGoogleMapDelegate$a$a.addMarker(Unknown Source)
at com.google.android.gms.maps.GoogleMap.addMarker(Unknown Source)
at com.mussie.android.blocspot.blocspot.MapsActivity$GetPOIs.onPostExecute(MapsActivity.java:435)
at com.mussie.android.blocspot.blocspot.MapsActivity$GetPOIs.onPostExecute(MapsActivity.java:380)
at android.os.AsyncTask.finish(AsyncTask.java:632)
at android.os.AsyncTask.access$600(AsyncTask.java:177)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5001)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:785)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:601)
**
【问题讨论】:
-
paramurl 是为了得到json格式的结果而发送的URL。我在浏览器中检查了 url,得到了 json 格式的所需数据。
-
paramurl的内容是什么?
-
@Duke,感谢您添加参数 url。您可以记录它(并对其进行消毒),以确保它是正确的吗?
json?&location看起来也不正确。删除&并重试。
标签: java httpclient