YARN-11891. Yarn logs command hangs for running applications (#8057) Contributed by D M Murali Krishna Reddy.

* YARN-11891. Yarn logs command hangs for running applications.

Signed-off-by: Shilun Fan <slfan1989@apache.org>

Author: dmmkr

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/LogsCLI.java

@@ -538,6 +538,9 @@ private List<Pair<ContainerLogFileInfo, String>> getContainerLogFiles(
           JSONArray array = new JSONArray();
           String entity = response.readEntity(String.class);
           JSONObject json = new JSONObject(entity);
+          if (json.has("containerLogsInfoes")) {
+            json = json.getJSONObject("containerLogsInfoes");
+          }
           if (!json.has("containerLogsInfo")) {
             return logFileInfos;
           }
@@ -1531,6 +1534,7 @@ public void filter(ClientRequestContext requestContext) throws IOException {
           }
           // check if a URL is reachable
           checkUrlConnectivity(uri);
+          return;
         } catch (Exception e) {
           leftRetries--;
           if (leftRetries <= 0) {