deniskuzZ commented on code in PR #3656:
URL: https://github.com/apache/hive/pull/3656#discussion_r999198562


##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnErrorMsg.java:
##########
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hadoop.hive.metastore.txn;
+
+public enum TxnErrorMsg {
+    // Refer ErrorMsg.java
+    // 50000 to 59999: Txn Errors Codes.
+    NONE(50000, " None "),
+    ABORT_QUERY(50001, " Txn aborted by Abort Query Command "),
+    ABORT_TIMEOUT(50002, " Txn aborted due to heartbeat time-out after "),
+    ABORT_INTERRUPT(50003, " Txn aborted due to Interrupt Signal or user 
aborted the query "),
+    ABORT_REPL_TXN(50004, " Replication:" +
+            "Abort all the allocated txns so that the mapped write ids are 
referred as aborted ones. ");
+
+    private final int errorCode;
+    private final String txnErrorMsg;
+
+    TxnErrorMsg(int errorCode, String txnErrorMsg) {
+        this.errorCode = errorCode;
+        this.txnErrorMsg = txnErrorMsg;
+    }
+
+    public int getErrorCode() {
+        return errorCode;
+    }
+
+    public String getTxnErrorMsg() {

Review Comment:
   is it used at all? how would it work? see
   ````
   static private HiveException getHiveException(Exception e, String msg, 
String logMsg) {
   ....
       ErrorMsg errorMsg = ErrorMsg.getErrorMsg(e);
   ....
   }



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