ATLAS-2460: fix for regression in handling HA mode

webapp/src/main/java/org/apache/atlas/web/filters/ActiveServerFilter.java

@@ -87,14 +87,6 @@ public class ActiveServerFilter implements Filter {
             HttpServletResponse httpServletResponse = (HttpServletResponse) servletResponse;
             LOG.error("Instance in transition. Service may not be ready to return a result");
             httpServletResponse.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
-        } if(serviceState.isInstanceInMigration()) {
-            HttpServletResponse httpServletResponse = (HttpServletResponse) servletResponse;
-            LOG.error("Instance in migration. Service may not be ready to return a result");
-            httpServletResponse.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
-        } if (serviceState.isInstanceInMigration()) {
-            HttpServletResponse httpServletResponse = (HttpServletResponse) servletResponse;
-            LOG.error("Instance in migration. Service may not be ready to return a result");
-            httpServletResponse.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
         } else if (serviceState.isInstanceInMigration()) {
             HttpServletResponse httpServletResponse = (HttpServletResponse) servletResponse;
             LOG.error("Instance in migration. Service may not be ready to return a result");

webapp/src/main/java/org/apache/atlas/web/service/ServiceState.java

@@ -61,11 +61,7 @@ public class ServiceState {
     public ServiceState(Configuration configuration) {
         this.configuration = configuration;
 
-        if(StringUtils.isNotEmpty(configuration.getString(ATLAS_MIGRATION_MODE_FILENAME))) {
-            state = ServiceStateValue.MIGRATING;
-        } else {
-            state = !HAConfiguration.isHAEnabled(configuration) ? ServiceStateValue.ACTIVE : ServiceStateValue.PASSIVE;
-        }
+        state = !HAConfiguration.isHAEnabled(configuration) ? ServiceStateValue.ACTIVE : ServiceStateValue.PASSIVE;
 
         if(!StringUtils.isEmpty(configuration.getString(ATLAS_MIGRATION_MODE_FILENAME, ""))) {
             state = ServiceStateValue.MIGRATING;