SB-28414:Certification notification job failing due utf-8 encoding issue (#1035)

* SB-28414:Certification notification job failing due utf-8 encoding issue fix

* SB-28414:Certification notification job failing due utf-8 encoding issue fix

core/platform-common/src/main/java/org/sunbird/http/HttpClientUtil.java

@@ -14,6 +14,7 @@ import org.apache.http.client.methods.HttpGet;
 import org.apache.http.client.methods.HttpPatch;
 import org.apache.http.client.methods.HttpPost;
 import org.apache.http.conn.ConnectionKeepAliveStrategy;
+import org.apache.http.entity.ContentType;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.CloseableHttpClient;
 import org.apache.http.impl.client.HttpClients;
@@ -99,7 +100,7 @@ public class HttpClientUtil {
           httpPost.addHeader(entry.getKey(), entry.getValue());
         }
       }
-      StringEntity entity = new StringEntity(params);
+      StringEntity entity = new StringEntity(params,ContentType.APPLICATION_JSON);
       httpPost.setEntity(entity);
 
       response = httpclient.execute(httpPost);
@@ -154,7 +155,7 @@ public class HttpClientUtil {
           httpPatch.addHeader(entry.getKey(), entry.getValue());
         }
       }
-      StringEntity entity = new StringEntity(params);
+      StringEntity entity = new StringEntity(params, ContentType.APPLICATION_JSON);
       httpPatch.setEntity(entity);
 
       response = httpclient.execute(httpPatch);

service/src/main/java/org/sunbird/client/NotificationServiceClient.java

@@ -2,6 +2,7 @@ package org.sunbird.client;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.commons.codec.binary.StringUtils;
 import org.sunbird.exception.ProjectCommonException;
 import org.sunbird.exception.ResponseCode;
 import org.sunbird.http.HttpClientUtil;
@@ -33,7 +34,6 @@ public class NotificationServiceClient {
 
     private String getJsonString(Request req) throws JsonProcessingException {
         String json = mapper.writeValueAsString(req);
-        json = new String(json.getBytes(), StandardCharsets.UTF_8);
         return json;
     }
 

service/src/test/java/org/sunbird/actor/user/SSUUserCreateActorTest.java

@@ -15,7 +15,6 @@ import org.sunbird.operations.ActorOperations;
 public class SSUUserCreateActorTest extends UserManagementActorTestBase {
 
   public final Props props = Props.create(SSUUserCreateActor.class);
-
   @Test
   public void testCreateUserV3Failure() {
     Organisation organisation = new Organisation();