iam trying to upload files using Async task in my Android application, but am getting the following error.
FATAL EXCEPTION: AsyncTask #5 Process: zupportdesk.desk.zupport.chatsystem, PID: 15325 java.lang.RuntimeException: An error occurred while executing doInBackground() at android.os.AsyncTask$3.done(AsyncTask.java:318) at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354) at java.util.concurrent.FutureTask.setException(FutureTask.java:223) at java.util.concurrent.FutureTask.run(FutureTask.java:242) at android.os.AsyncTask$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:761) Caused by: java.lang.NoClassDefFoundError: Failed resolution of: Lorg/apache/http/entity/ContentType; at org.apache.http.entity.mime.content.FileBody.<init>(FileBody.java:89) at zupportdesk.desk.zupport.chatsystem.Chatting$UploadFileToServer.uploadFile(Chatting.java:507) at zupportdesk.desk.zupport.chatsystem.Chatting$UploadFileToServer.doInBackground(Chatting.java:483) at zupportdesk.desk.zupport.chatsystem.Chatting$UploadFileToServer.doInBackground(Chatting.java:453) at android.os.AsyncTask$2.call(AsyncTask.java:304) at java.util.concurrent.FutureTask.run(FutureTask.java:237) at android.os.AsyncTask$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:761) 10-11 13:58:54.157 15325-16388/zupportdesk.desk.zupport.chatsystem E/AndroidRuntime: Caused by: java.lang.ClassNotFoundException: Didn't find class "org.apache.http.entity.ContentType" on path: DexPathList[[dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-support-annotations-24.2.0_f3465f35ba4af4c2d28c6ee70c3e045c2eeb50a7-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-slice_9-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-slice_8-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-slice_7-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-slice_6-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-slice_5-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-slice_4-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-slice_3-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-slice_2-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-slice_1-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-slice_0-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-signalr-client-sdk_31f218879a3e501695cc773014efa2b96309ba8b-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-signalr-client-sdk-android_9ac6c75fc433d5053cb8f4baaf075be77ff080a9-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-net.gotev-uploadservice-2.1_2c1cea94bdc9eb3e8e9259ef14480ae4e93a8a89-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-internal_impl-24.2.0_f88755d908402b42bce774f931195b94097dcd23-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-internal_impl-24.2.0_b1513c66b0f7395a0d1a480c5d9e7610feba9993-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-internal_impl-24.2.0_a54c1e5a7bced7e81fab3aff91c3679ae60c76ef-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-internal_impl-24.2.0_460fbcae657ae69586227c7cdd69197470f7a011-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-internal_impl-24.2.0_318b533f27c268e47e239190dc0e3679ce16407b-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-internal_impl-22.0.0_abd26134702fe065270338b254592d1345086842-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-httpmime-4.3.1_138604929e9825b5f1d61e00fa3d052bdd42ee07-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-gson-2.2.2_dd1fd3287d2711d7941193e32d486f688b74a811-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-wearable-7.5.0_8bc4b86a60416c7425dbe185fba38279931f0335-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-wallet-7.5.0_4efd5a84b19b11d4c433540cf235021f2dde600a-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-safetynet-7.5.0_da536d78f5e4cb7af22bd8628a84eea7c432183f-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-plus-7.5.0_955016b9062dcfdf301396658c4fb8b8d50d2cda-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-panorama-7 10-11 13:58:54.183 15325-16388/zupportdesk.desk.zupport.chatsystem E/AndroidRuntime: .5.0_5ad6e21e07aea6aa605b0a5a3d1e8c7d0d9916e5-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-nearby-7.5.0_4d90a5fe7ec8604f44a91517b9706bb315df6f6f-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-maps-7.5.0_581db932c15b767090a5e5f802baaddefdfbcb69-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-location-7.5.0_63bae70f0b75fd08770c6904e2c5023145952809-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-identity-7.5.0_65fed345583e13065e8aecba0d614d6e8b08c804-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-gcm-7.5.0_9937f9cc346a5a9ce714e33d1c59a2888a8f0175-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-games-7.5.0_e28cc480cf7ff3ef1f7670efd2deb91360d6de7d-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-fitness-7.5.0_745c20df06971dabc41d92c75dc6f7e0deb9e89c-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-drive-7.5.0_e0d26e2ebfc31a98ef927fa8e6406f47dbddba72-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-cast-7.5.0_9e2bcce3e42366ea376a964a0275e31a18d26639-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-base-7.5.0_837427f2c67624d2b611e73aedf619eb9e7adcda-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-appstate-7.5.0_d24931de1d4f9d1b51add7807a0e7928d761d6ea-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-appinvite-7.5.0_8ea4359777577a9d26e2c76942d7eeb7115cbc5b-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-appindexing-7.5.0_e13e83bb97402b3808744bad8ba85dd20bfca24c-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-analytics-7.5.0_ff810a4f13c82ad0651bd19ea6b1f3f7509079b3-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.google.android.gms-play-services-ads-7.5.0_721a4a78ddacc95366f18f8565d3b30cd6fdf18b-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.balysv-material-ripple-1.0.2_deb9b61de945d67e79032c223e41546a0ad447c7-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-support-vector-drawable-24.2.0_a54a9f6fe7e8cb1731b3190a43cac8d85c588bf6-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-support-v4-24.2.0_c76293055897ca4fcab423bcb13d1cff84d22510-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-support-media-compat-24.2.0_9b309206adafc25f2f7eb40e80a02f096ba5eacd-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-support-fragment-24.2.0_31cea7222b602999c550da8c3517862a0e6dab6c-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-support-core-utils-24.2.0_e5f66c7d6ab2d7093b22eaac2d9901a3a0ed6c94-classes.dex", dex fi 10-11 13:58:54.214 15325-16388/zupportdesk.desk.zupport.chatsystem E/AndroidRuntime: le "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-support-core-ui-24.2.0_f971c230898c04a60891a5b65c3bcf595b771e02-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-support-compat-24.2.0_a7085c5673ade8185ff028973f38d4ef027644a7-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-recyclerview-v7-24.2.0_eeeee17220ba35dd6071f6329854feb74a32672d-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-mediarouter-v7-22.0.0_5b2554495e1a4a2428c8836ad086b43d046da6a8-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-design-24.2.0_024e7eb976d8157d6e7efa9de71089c42159bcb6-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-cardview-v7-24.2.0_9575e625779a52a14eae5bd3d3931d81b65e8586-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-appcompat-v7-24.2.0_422b025bd9c2dbb23e739516684717e9474b91e5-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-com.android.support-animated-vector-drawable-24.2.0_396d53bb3e16626f132b0f0628fec5980fb13370-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-br.com.liveo-navigationdrawer-material-2.5.1_50ba57259819ff85adaa100f90f5389530cf9d32-classes.dex", dex file "/data/data/zupportdesk.desk.zupport.chatsystem/files/instant-run/dex/slice-Java-WebSocket-1.3.0_485a7232d8572525d79567164b42d2d35fc50231-classes.dex"],nativeLibraryDirectories=[/data/app/zupportdesk.desk.zupport.chatsystem-1/lib/arm64, /system/lib64, /vendor/lib64]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) at com.android.tools.fd.runtime.IncrementalClassLoader$DelegateClassLoader.findClass(IncrementalClassLoader.java:90) at java.lang.ClassLoader.loadClass(ClassLoader.java:380) at java.lang.ClassLoader.loadClass(ClassLoader.java:312) ... 10 more Methods
@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); if (requestCode == PICK_IMAGE_REQUEST && resultCode == RESULT_OK && data != null && data.getData() != null) { filePath = data.getData(); try { bitmap = MediaStore.Images.Media.getBitmap(getContentResolver(), filePath); // imageView.setImageBitmap(bitmap); //uploadMultipart(); String path = getPath(filePath); File file = new File(path); long length = file.length(); String nameFile = file.getName(); String extension = getFileExt(nameFile); length = length/1024; new UploadFileToServer(profileToken, nameFile).execute(); } catch (IOException e) { e.printStackTrace(); } } } private class UploadFileToServer extends AsyncTask<Void, Integer, String> { String token; String fileName; public UploadFileToServer(String profileToken, String FileName) { this.token = profileToken; this.fileName = FileName; } @Override protected void onPreExecute() { // setting progress bar to zero // progressBar.setProgress(0); super.onPreExecute(); } @Override protected void onProgressUpdate(Integer... progress) { // Making progress bar visible // progressBar.setVisibility(View.VISIBLE); // updating progress bar value // progressBar.setProgress(progress[0]); // updating percentage value //txtPercentage.setText(String.valueOf(progress[0]) + "%"); Toast.makeText(getApplicationContext(), String.valueOf(progress[0])+"%" , Toast.LENGTH_LONG).show(); } @Override protected String doInBackground(Void... params) { return uploadFile(); } @SuppressWarnings("deprecation") private String uploadFile() { String responseString = null; HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost(UPLOAD_URL); httppost.addHeader("Authorization", "Bearer "+token); try { AndroidMultiPartEntity entity = new AndroidMultiPartEntity( new AndroidMultiPartEntity.ProgressListener() { @Override public void transferred(long num) { publishProgress((int) ((num / (float) totalSize) * 100)); } }); File sourceFile = new File(String.valueOf(filePath)); // Adding file data to http body //entity.addPart("file", new FileBody(sourceFile)); entity.addPart("file", new FileBody(sourceFile, "image/jpeg")); // Extra parameters if you want to pass to server entity.addPart("name", new StringBody(fileName)); // entity.addPart("email", new StringBody("[email protected]")); totalSize = entity.getContentLength(); httppost.setEntity(entity); // Making server call HttpResponse response = httpclient.execute(httppost); HttpEntity r_entity = response.getEntity(); int statusCode = response.getStatusLine().getStatusCode(); if (statusCode == 200) { // Server response responseString = EntityUtils.toString(r_entity); } else { responseString = "Error occurred! Http Status Code: " + statusCode; } } catch (ClientProtocolException e) { responseString = e.toString(); } catch (IOException e) { responseString = e.toString(); } return responseString; } @Override protected void onPostExecute(String result) { Log.d("Upload Results", result); // showing the server response in an alert dialog showAlert(result); super.onPostExecute(result); } } /** * Method to show alert dialog * */ private void showAlert(String message) { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage(message).setTitle("Response from Servers") .setCancelable(false) .setPositiveButton("OK", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { // do nothing } }); AlertDialog alert = builder.create(); alert.show(); } Gradle
android { compileSdkVersion 24 buildToolsVersion "24.0.1" useLibrary 'org.apache.http.legacy' defaultConfig { applicationId "MY APPLICATION ID.chatsystem" minSdkVersion 15 targetSdkVersion 24 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } packagingOptions { exclude 'META-INF/DEPENDENCIES' exclude 'META-INF/NOTICE' exclude 'META-INF/LICENSE' } } dependencies { compile fileTree(include: ['*.jar'], dir: 'libs') testCompile 'junit:junit:4.12' compile files('libs/gson-2.2.2.jar') compile files('libs/signalr-client-sdk-android.jar') compile files('libs/signalr-client-sdk.jar') compile 'com.android.support:appcompat-v7:24.2.0' compile 'com.android.support:recyclerview-v7:24.2.0' compile 'com.android.support:design:24.2.0' compile 'com.android.support:cardview-v7:24.2.0' compile 'br.com.liveo:navigationdrawer-material:2.5.1' compile 'org.java-websocket:Java-WebSocket:1.3.0' compile 'com.google.android.gms:play-services:7.5.0' compile files('libs/httpmime-4.3.1.jar') compile 'net.gotev:uploadservice:2.1' compile ('org.apache.httpcomponents:httpcore:4.4.1'){ exclude group: 'org.apache.httpcomponents', module: 'httpclient' } } 
