turboFei commented on code in PR #2909:
URL: https://github.com/apache/incubator-kyuubi/pull/2909#discussion_r900712318


##########
kyuubi-ctl/src/main/scala/org/apache/kyuubi/ctl/cmd/log/LogBatchCommand.scala:
##########
@@ -46,41 +45,70 @@ class LogBatchCommand(cliConfig: CliConfig, restConfigMap: 
JMap[String, Object]
 
       var log: OperationLog = null
       var done = false
-      var batch: Batch = null
+      var batch: Batch = batchRestApi.getBatchById(batchId)
+      val kyuubiInstance = batch.getKyuubiInstance
 
-      while (!done) {
-        try {
-          log = batchRestApi.getBatchLocalLog(
-            batchId,
-            from,
-            size)
-          from += log.getLogRowSet.size
-          log.getLogRowSet.asScala.foreach(x => info(x))
-          if (!normalizedCliConfig.logOpts.forward) {
-            done = true
-          }
-        } catch {
-          case e: KyuubiRestException =>
-            error(s"Error fetching batch logs: ${e.getMessage}")
-        }
+      withKyuubiInstanceRestClient(kyuubiRestClient, kyuubiInstance) { 
kyuubiInstanceRestClient =>
+        val kyuubiInstanceBatchRestApi: BatchRestApi = new 
BatchRestApi(kyuubiInstanceRestClient)
+        while (!done) {
+          try {
+            log = kyuubiInstanceBatchRestApi.getBatchLocalLog(
+              batchId,
+              from,
+              size)
+            from += log.getLogRowSet.size
+            log.getLogRowSet.asScala.foreach(x => info(x))
 
-        if (log == null || log.getLogRowSet.size() == 0) {
-          batch = batchRestApi.getBatchById(batchId)
-          if (BatchUtil.isTerminalState(batch.getState)) {
-            done = true
+            val (latestBatch, shouldFinishLog) =
+              checkStatus(kyuubiInstanceBatchRestApi, batchId, log)
+            batch = latestBatch
+            done = shouldFinishLog
+          } catch {
+            case e: Exception =>
+              val (latestBatch, shouldFinishLog) = checkStatus(batchRestApi, 
batchId, log)
+              batch = latestBatch
+              done = shouldFinishLog
+              if (done) {
+                error(s"Error fetching batch logs: ${e.getMessage}")
+              }
           }
-        }
 
-        if (!done) {
-          Thread.sleep(DEFAULT_LOG_QUERY_INTERVAL)
+          if (!done) {
+            Thread.sleep(DEFAULT_LOG_QUERY_INTERVAL)

Review Comment:
   Let us remove the DEFAULT_LOG_QUERY_INTERVAL and add a config to CtlConf



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