aasha commented on a change in pull request #2240:
URL: https://github.com/apache/hive/pull/2240#discussion_r648504479



##########
File path: common/src/java/org/apache/hadoop/hive/ql/ErrorMsg.java
##########
@@ -627,7 +627,9 @@
   REPL_INVALID_ARGUMENTS(40012, "Invalid arguments error : {0}.", true),
   REPL_INVALID_ALTER_TABLE(40013, "{0}Unable to alter table{1}", true),
   REPL_PERMISSION_DENIED(40014, 
"{0}org.apache.hadoop.security.AccessControlException{1}", true),
-  REPL_DISTCP_SNAPSHOT_EXCEPTION(40015, "SNAPSHOT_ERROR", true)
+  REPL_DISTCP_SNAPSHOT_EXCEPTION(40015, "SNAPSHOT_ERROR", true),
+  RANGER_AUTHORISATION_FAILED(40016, "Authorisation Failure while 
communicating to Ranger admin", true),

Review comment:
       type : authorization

##########
File path: 
ql/src/java/org/apache/hadoop/hive/ql/exec/repl/ranger/RangerRestClientImpl.java
##########
@@ -202,12 +238,14 @@ public RangerExportPolicyList 
importRangerPolicies(RangerExportPolicyList ranger
     String finalUrl = getRangerImportUrl(baseUrl, dbName);
     LOG.debug("URL to import policies on target Ranger: {}", finalUrl);
     Retryable retryable = Retryable.builder()
-      .withHiveConf(hiveConf)
-      .withRetryOnException(Exception.class).build();
+      .withHiveConf(hiveConf).withFailOnException(RuntimeException.class)
+      .withRetryOnException(SemanticException.class).build();
     try {
       return retryable.executeCallable(() -> 
importRangerPoliciesPlain(jsonRangerExportPolicyList,
               rangerPoliciesJsonFileName,
               serviceMapJsonFileName, jsonServiceMap, finalUrl, 
rangerExportPolicyList, hiveConf));
+    } catch (RuntimeException e) {

Review comment:
       you are catching a runtime exception and throwing a semantic exception. 
why are you doing that?

##########
File path: common/src/java/org/apache/hadoop/hive/ql/ErrorMsg.java
##########
@@ -627,7 +627,9 @@
   REPL_INVALID_ARGUMENTS(40012, "Invalid arguments error : {0}.", true),
   REPL_INVALID_ALTER_TABLE(40013, "{0}Unable to alter table{1}", true),
   REPL_PERMISSION_DENIED(40014, 
"{0}org.apache.hadoop.security.AccessControlException{1}", true),
-  REPL_DISTCP_SNAPSHOT_EXCEPTION(40015, "SNAPSHOT_ERROR", true)
+  REPL_DISTCP_SNAPSHOT_EXCEPTION(40015, "SNAPSHOT_ERROR", true),
+  RANGER_AUTHORISATION_FAILED(40016, "Authorisation Failure while 
communicating to Ranger admin", true),

Review comment:
       error code is same. it should be different. Check if any of the existing 
errror codes that can be reused.

##########
File path: 
ql/src/java/org/apache/hadoop/hive/ql/exec/repl/ranger/RangerRestClientImpl.java
##########
@@ -90,11 +86,13 @@ public RangerExportPolicyList exportRangerPolicies(String 
sourceRangerEndpoint,
         "cannot be empty", ReplUtils.REPL_RANGER_SERVICE));
     }
     Retryable retryable = Retryable.builder()
-      .withHiveConf(hiveConf)
-      .withRetryOnException(Exception.class).build();
+      .withHiveConf(hiveConf).withFailOnException(RuntimeException.class)
+      .withRetryOnException(URISyntaxException.class).build();

Review comment:
       what is the use of retry in case of URISyntaxException?




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