ambari-metrics-common/src/main/java/org/apache/hadoop/metrics2/sink/timeline/AbstractTimelineMetricsSink.java [456:475]:
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  protected String cleanupInputStream(InputStream is) throws IOException {
    StringBuilder sb = new StringBuilder();
    if (is != null) {
      try (
        InputStreamReader isr = new InputStreamReader(is);
        BufferedReader br = new BufferedReader(isr)
      ) {
        // read the response body
        String line;
        while ((line = br.readLine()) != null) {
          if (LOG.isDebugEnabled()) {
            sb.append(line);
          }
        }
      } finally {
        is.close();
      }
    }
    return sb.toString();
  }
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ambari-metrics-timelineservice/src/main/java/org/apache/ambari/metrics/core/timeline/sink/HttpSinkProvider.java [173:192]:
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    protected String cleanupInputStream(InputStream is) throws IOException {
      StringBuilder sb = new StringBuilder();
      if (is != null) {
        try (
          InputStreamReader isr = new InputStreamReader(is);
          BufferedReader br = new BufferedReader(isr)
        ) {
          // read the response body
          String line;
          while ((line = br.readLine()) != null) {
            if (LOG.isDebugEnabled()) {
              sb.append(line);
            }
          }
        } finally {
          is.close();
        }
      }
      return sb.toString();
    }
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