org apache http conn HttpHostConnectException Connection to http localhost refused in android

Question

I am making an application that uploads images to server and updates its database to server in android while executing it  it shows an error  Connection to http   localhost refused    and many more errors  I researched this problem and found instead of providing the URL connection  http   localhost     provide the link as http   10 0 2 2        and I did so but the problem is same more error is here   E org apache http conn HttpHostConnectException 4318   Connection to http   localhost refused E org apache http conn HttpHostConnectException 4318   org apache http conn HttpHostConnectException  Connection to http   localhost refused E org apache http conn HttpHostConnectException 4318    at org apache http impl conn DefaultClientConnectionOperator openConnection DefaultClientConnectionOperator java 183  E org apache http conn HttpHostConnectException 4318    at org apache http impl conn AbstractPoolEntry open AbstractPoolEntry java 164  E org apache http conn HttpHostConnectException 4318    at org apache http impl conn AbstractPooledConnAdapter open AbstractPooledConnAdapter java 119  E org apache http conn HttpHostConnectException 4318    at org apache http impl client DefaultRequestDirector execute DefaultRequestDirector java 360  E org apache http conn HttpHostConnectException 4318    at org apache http impl client AbstractHttpClient execute AbstractHttpClient java 555  E org apache http conn HttpHostConnectException 4318    at org apache http impl client AbstractHttpClient execute AbstractHttpClient java 487  E org apache http conn HttpHostConnectException 4318    at com example android photobyintent ViewRecipients uploadFile ViewRecipients java 325  E org apache http conn HttpHostConnectException 4318    at com example android photobyintent ViewRecipients 1 run ViewRecipients java 238  E org apache http conn HttpHostConnectException 4318    at java lang Thread run Thread java 856  E org apache http conn HttpHostConnectException 4318   Caused by  java net ConnectException  failed to connect to  127 0 0 1  port 80   connect failed  ECONNREFUSED  Connection refused  E org apache http conn HttpHostConnectException 4318    at libcore io IoBridge connect IoBridge java 114  E org apache http conn HttpHostConnectException 4318    at java net PlainSocketImpl connect PlainSocketImpl java 192  E org apache http conn HttpHostConnectException 4318    at java net PlainSocketImpl connect PlainSocketImpl java 459  E org apache http conn HttpHostConnectException 4318    at java net Socket connect Socket java 842  E org apache http conn HttpHostConnectException 4318    at org apache http conn scheme PlainSocketFactory connectSocket PlainSocketFactory java 119  E org apache http conn HttpHostConnectException 4318    at org apache http impl conn DefaultClientConnectionOperator openConnection DefaultClientConnectionOperator java 144  E org apache http conn HttpHostConnectException 4318        8 more E org apache http conn HttpHostConnectException 4318   Caused by  libcore io ErrnoException  connect failed  ECONNREFUSED  Connection refused  E org apache http conn HttpHostConnectException 4318    at libcore io Posix connect Native Method  E org apache http conn HttpHostConnectException 4318    at libcore io BlockGuardOs connect BlockGuardOs java 85  E org apache http conn HttpHostConnectException 4318    at libcore io IoBridge connectErrno IoBridge java 127  E org apache http conn HttpHostConnectException 4318    at libcore io IoBridge connect IoBridge java 112  E org apache http conn HttpHostConnectException 4318        13 more   the code for file upload is   public int uploadFile ArrayList lt String gt  sourceFileUri  String info  String latitude  String longitude  String id  throws IOException           try               HttpClient httpClient   new DefaultHttpClient                HttpContext localContext   new BasicHttpContext                HttpPost httpPost   new HttpPost  http   10 0 2 2 deliverysystem order add                 MultipartEntity entity   new MultipartEntity                      HttpMultipartMode BROWSER COMPATIBLE                entity addPart  returnformat   new StringBody  json                 System out println sourceFileUri size                 for int i 0 i lt sourceFileUri size   i                     String sourceFile   sourceFileUri get i                   entity addPart  uploaded file   i 1   new FileBody new File sourceFile                                entity addPart  fld delivery id   new StringBody id                entity addPart  fld delivery location   new StringBody info                entity addPart  fld latitude   new StringBody latitude                entity addPart  fld longitude   new StringBody longitude                httpPost setEntity entity               HttpResponse response   httpClient execute httpPost  localContext               BufferedReader reader   new BufferedReader                      new InputStreamReader                              response getEntity   getContent     UTF-8                  String sResponse   reader readLine                return 1            catch  Exception e                if  dialog isShowing                    dialog dismiss                 Log e e getClass   getName    e getMessage    e               return 1                        while debugging the code reaches up to   httpPost setEntity entity     and it shows exception after this line ie on this statement   HttpResponse response   httpClient execute httpPost  localContext     Could any one help me on this

User · Answer

When you test with device you want to add your PC ip address.

in pc run in cmd Ipconfig

in ubuntu run terminal ifconfig

Then use "http://your_pc_ip_address:8080/register" insted of using "http://10.0.2.2:8080/register"

in my pc = 192.168.1.3

and also add internet permission to Manifest

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

User · Answer

Please check that you are running the android device over same network  This will solve the problem  have fun

User · Answer

Two solutions for this error   1  add this permission in your androidManifest xml of your Android project   lt uses-permission android name  android permission INTERNET   gt    2  Turn on the Internet Connection of your device first

User · Answer

if you are using emulator to run your app for local server  mention the local ipas 10 0 2 2 and have to give Internet permission into your app     lt uses-permission  android name  android permission INTERNET    gt

User · Answer

for wamp server use 10 0 2 2  for local host e g  10 0 2 2 phpMyAdmin  and for tomcat use 10 0 2 2 8080 server

User · Answer

I had the similar issue  then I found out that wifi was not connected in my smartphone  After I turned on the wifi and connected to the similar network  with my laptop   there was another issue - laptop s firewall was blocking incoming connections  Once I fixed the firewall  I was able to communicate from my android app with the web service running on the laptop

User · Answer

i was facing exactly the same issue and i made following changes to my URL after which it was working perfectly fine    From   http   localhost Image4android get all images php   To   http   192 168 1 2 Image4android get all images php  where the ip  192 168 1 2 is IPv4 address  In windows Run  gt  CMD  gt  Ipconfig

User · Answer

try adding the permission outside the application tag of the manifest in addition to the above mentioned answers of changing localhost to 10 0 2 2 8080

User · Answer

use 127 0 0 1 instead of localhost

User · Answer

I am using PHP for webservice and Android 4 x  device for connecting to the webservice  I had similar problem where  using 10 0 2 2 worked well with emulator but failed to connect from device  The solution that worked for me is  Find IP of your computer     say 192 168 0 103 Find the port of your apache     say 8080 Now open httpd conf and locate following line Listen 127 0 0 1 8080 After this line add following Listen 192 168 0 103 8080 Thats it  Now if you use 192 168 0 103 8080 in your android code  it will connect

User · Answer

http   localhost   The above host is already occupied by the emulator in which you are running the code  If you want to access the local host of your computer than use the IP Address as http   10 0 2 2 8080    For more details  please refer this link

User · Answer

lt uses-permission android name  android permission INTERNET   gt  add this tag above into AndroidManifest xml of your Android project  and it will be ok

User · Answer

One of the basic and simple thing which leads to this error is  No Internet Connection  Turn on the Internet Connection of your device first    May be we ll forget to do so

[android] org.apache.http.conn.HttpHostConnectException: Connection to http://localhost refused in android

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