```
cd /usr/hdp/current/spark2-client
su spark
```

- Run the Apache Spark Pi job in yarn-client mode, using code from **org.apache.spark**:

```
./bin/spark-submit --class org.apache.spark.examples.SparkPi \
    --master yarn-client \
    --num-executors 1 \
    --driver-memory 512m \
    --executor-memory 512m \
    --executor-cores 1 \

			Bucket: bucket,
			Err:    fmt.Errorf("replication resync status not available for %s (%s)", arn, err.Error()),
		}), r.URL)
		return
	}

	var rinfo ResyncTargetsInfo
	for tarn, st := range brs.TargetsMap {
		if arn != "" && tarn != arn {
			continue
		}
		rinfo.Targets = append(rinfo.Targets, ResyncTarget{
			Arn:             tarn,
			ResetID:         st.ResyncID,
			StartTime:       st.StartTime,

            thumbnailQueueThread.join(10000);
        } catch (final InterruptedException e) {
            logger.warn("Thumbnail thread is timeouted.", e);
        }
        generatorList.forEach(g -> {
            try {
                g.destroy();
            } catch (final Exception e) {
                logger.warn("Failed to stop thumbnail generator.", e);
            }
        });
    }

                : EnumSet.of(IssueLocality.EXTERNAL);

        if (hasAnythingToReport(issuesMap, issueLocalitiesToReport)) {
            logger.warn("");
            logger.warn("Plugin {} validation issues were detected in following plugin(s)", issueLocalitiesToReport);
            logger.warn("");
            for (Map.Entry<String, PluginValidationIssues> entry : issuesMap.entrySet()) {

Log4JCategoryLog(org.apache.log4j.Category); public void trace(Object); public void trace(Object, Throwable); public void debug(Object); public void debug(Object, Throwable); public void info(Object); public void info(Object, Throwable); public void warn(Object); public void warn(Object, Throwable); public void error(Object); public void error(Object, Throwable); public void fatal(Object); public void fatal(Object, Throwable); public org.apache.log4j.Category getCategory(); public boolean isDebugEnabled(); public...

			}
		}
		sys.incTargetErr(bucket, arn)
	}()
	return nil
}

// GetRemoteBucketTargetByArn returns BucketTarget for a ARN
func (sys *BucketTargetSys) GetRemoteBucketTargetByArn(ctx context.Context, bucket, arn string) madmin.BucketTarget {
	sys.RLock()
	defer sys.RUnlock()
	var tgt madmin.BucketTarget
	for _, t := range sys.targetsMap[bucket] {
		if t.Arn == arn {
			tgt = t.Clone()

            } catch (RepositoryMetadataReadException e) {
                if (getLogger().isDebugEnabled()) {
                    getLogger().warn(e.getMessage(), e);
                } else {
                    getLogger().warn(e.getMessage());
                }
                return setRepository;
            }

            if (repoMetadata.isSnapshot() && (previousMetadata != null)) {

                        logger.warn("  " + unsafeGoal.getId());
                    }
                } else {
                    logger.warn("The following plugins are not marked as thread-safe in " + project.getName() + ":");
                    for (Plugin unsafePlugin : unsafePlugins) {
                        logger.warn("  " + unsafePlugin.getId());
                    }
                    logger.warn("");

			}
			client, err := ctx.CLIClient()
			if err != nil {
				return err
			}
			out, warn, err := CreateRemoteSecret(client, opts)
			if err != nil {
				_, _ = fmt.Fprintf(c.OutOrStderr(), "error: %v\n", err)
				return err
			}
			if warn != nil {
				_, _ = fmt.Fprintf(c.OutOrStderr(), "warn: %v\n", warn)
			}
			_, _ = fmt.Fprint(c.OutOrStdout(), out)
			return nil
		},
	}

                searchEngineClient.admin().indices().prepareOpen(docIndex).execute(
                        ActionListener.wrap(res2 -> logger.info("Open {}", docIndex), e -> logger.warn("Failed to open {}", docIndex, e)));
            }, e -> logger.warn("Failed to close {}", docIndex, e)));
        });
        saveInfo(messages -> messages.addSuccessStartedDataUpdate(GLOBAL));
        return redirect(getClass());
    }