Added missing builder.endObject calls

src/main/java/org/elasticsearch/rest/action/admin/cluster/tasks/RestPendingClusterTasksAction.java

@@ -52,6 +52,7 @@ public class RestPendingClusterTasksAction extends BaseRestHandler {
                     XContentBuilder builder = RestXContentBuilder.restContentBuilder(request);
                     builder.startObject();
                     response.toXContent(builder, request);
+                    builder.endObject();
                     channel.sendResponse(new XContentRestResponse(request, RestStatus.OK, builder));
                 } catch (Throwable e) {
                     onFailure(e);

src/main/java/org/elasticsearch/river/RiversService.java

@@ -172,6 +172,7 @@ public class RiversService extends AbstractLifecycleComponent<RiversService> {
                 builder.field("name", clusterService.localNode().name());
                 builder.field("transport_address", clusterService.localNode().address().toString());
                 builder.endObject();
+                builder.endObject();
 
                 client.prepareIndex(riverIndexName, riverName.name(), "_status")
                         .setConsistencyLevel(WriteConsistencyLevel.ONE)