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The following commit(s) were added to refs/heads/master by this push:
     new e4250bb101 [IOTDB-4080] Change the port name of show cluster, show 
regions, show confignodes, show datandoes; make running result of 
`Remove-datanode.sh` clear (#7403)
e4250bb101 is described below

commit e4250bb101892ef676208fcb8e54eb342e624b85
Author: Beyyes <[email protected]>
AuthorDate: Fri Sep 23 14:29:29 2022 +0800

    [IOTDB-4080] Change the port name of show cluster, show regions, show 
confignodes, show datandoes; make running result of `Remove-datanode.sh` clear 
(#7403)
---
 .../procedure/env/DataNodeRemoveHandler.java       |   8 +-
 .../Maintenance-Tools/Maintenance-Command.md       | 210 ++++++++++-----------
 .../Maintenance-Tools/Maintenance-Command.md       | 190 +++++++++----------
 .../apache/iotdb/commons/utils/NodeUrlUtils.java   |   4 +-
 .../db/mpp/common/header/ColumnHeaderConstant.java |  11 +-
 .../db/service/DataNodeServerCommandLine.java      |   7 +-
 6 files changed, 218 insertions(+), 212 deletions(-)

diff --git 
a/confignode/src/main/java/org/apache/iotdb/confignode/procedure/env/DataNodeRemoveHandler.java
 
b/confignode/src/main/java/org/apache/iotdb/confignode/procedure/env/DataNodeRemoveHandler.java
index d93ca8398a..bcf5ba1a6e 100644
--- 
a/confignode/src/main/java/org/apache/iotdb/confignode/procedure/env/DataNodeRemoveHandler.java
+++ 
b/confignode/src/main/java/org/apache/iotdb/confignode/procedure/env/DataNodeRemoveHandler.java
@@ -507,8 +507,12 @@ public class DataNodeRemoveHandler {
     if (allDataNodeSize - removedDataNodeSize < NodeInfo.getMinimumDataNode()) 
{
       status.setCode(TSStatusCode.LACK_REPLICATION.getStatusCode());
       status.setMessage(
-          "lack replication, allow most removed Data Node size : "
-              + (allDataNodeSize - NodeInfo.getMinimumDataNode()));
+          String.format(
+              "Can't remove datanode due to the limit of replication factor, "
+                  + "allDataNodeSize: %s, maxReplicaFactor: %s, max allowed 
removed Data Node size is: %s",
+              allDataNodeSize,
+              NodeInfo.getMinimumDataNode(),
+              (allDataNodeSize - NodeInfo.getMinimumDataNode())));
     }
     return status;
   }
diff --git a/docs/UserGuide/Maintenance-Tools/Maintenance-Command.md 
b/docs/UserGuide/Maintenance-Tools/Maintenance-Command.md
index 06f137ca09..3d200fd07e 100644
--- a/docs/UserGuide/Maintenance-Tools/Maintenance-Command.md
+++ b/docs/UserGuide/Maintenance-Tools/Maintenance-Command.md
@@ -148,44 +148,44 @@ Msg: The statement is executed successfully.
 IoTDB> create timeseries root.ln.d1.s1 with datatype=BOOLEAN,encoding=PLAIN
 Msg: The statement is executed successfully.
 IoTDB> show regions
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|  Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
1|127.0.0.1|6667|Leader|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
2|127.0.0.1|6668|Leader|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|  Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
1|127.0.0.1|   6667|Leader|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
2|127.0.0.1|   6668|Leader|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
 Total line number = 2
 It costs 0.013s
 
 IoTDB> show datanodes
-+------+-------+---------+----+-------------+---------------+
-|NodeID| Status|     Host|Port|DataRegionNum|SchemaRegionNum|
-+------+-------+---------+----+-------------+---------------+
-|     1|Running|127.0.0.1|6667|            0|              1|
-|     2|Running|127.0.0.1|6668|            0|              1|
-+------+-------+---------+----+-------------+---------------+
++------+-------+---------+-------+-------------+---------------+
+|NodeID| Status|     Host|RpcPort|DataRegionNum|SchemaRegionNum|
++------+-------+---------+-------+-------------+---------------+
+|     1|Running|127.0.0.1|   6667|            0|              1|
+|     2|Running|127.0.0.1|   6668|            0|              1|
++------+-------+---------+-------+-------------+---------------+
 Total line number = 2
 It costs 0.007s
 
 IoTDB> insert into root.ln.d1(timestamp,s1) values(1,true)
 Msg: The statement is executed successfully.
 IoTDB> show regions
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|  Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
1|127.0.0.1|6667|Leader|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
2|127.0.0.1|6668|Leader|
-|       2|  DataRegion|    Up|      root.ln|           1|         1|         
1|127.0.0.1|6667|Leader|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|  Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
1|127.0.0.1|   6667|Leader|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
2|127.0.0.1|   6668|Leader|
+|       2|  DataRegion|    Up|      root.ln|           1|         1|         
1|127.0.0.1|   6667|Leader|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
 Total line number = 3
 It costs 0.008s
 IoTDB> show datanodes
-+------+-------+---------+----+-------------+---------------+
-|NodeID| Status|     Host|Port|DataRegionNum|SchemaRegionNum|
-+------+-------+---------+----+-------------+---------------+
-|     1|Running|127.0.0.1|6667|            1|              1|
-|     2|Running|127.0.0.1|6668|            0|              1|
-+------+-------+---------+----+-------------+---------------+
++------+-------+---------+-------+-------------+---------------+
+|NodeID| Status|     Host|RpcPort|DataRegionNum|SchemaRegionNum|
++------+-------+---------+-------+-------------+---------------+
+|     1|Running|127.0.0.1|   6667|            1|              1|
+|     2|Running|127.0.0.1|   6668|            0|              1|
++------+-------+---------+-------+-------------+---------------+
 Total line number = 2
 It costs 0.006s
 ```
@@ -210,13 +210,13 @@ Eg :
 
 ```
 IoTDB> show confignodes
-+------+-------+-------+-----+--------+
-|NodeID| Status|   Host| Port|    Role|
-+------+-------+-------+-----+--------+
-|     0|Running|0.0.0.0|22277|  Leader|
-|     1|Running|0.0.0.0|22279|Follower|
-|     2|Running|0.0.0.0|22281|Follower|
-+------+-------+-------+-----+--------+
++------+-------+-------+------------+--------+
+|NodeID| Status|   Host|InternalPort|    Role|
++------+-------+-------+------------+--------+
+|     0|Running|0.0.0.0|       22277|  Leader|
+|     1|Running|0.0.0.0|       22279|Follower|
+|     2|Running|0.0.0.0|       22281|Follower|
++------+-------+-------+------------+--------+
 Total line number = 3
 It costs 0.030s
 ```
@@ -239,16 +239,16 @@ Eg:
 
 ```
 IoTDB> show cluster
-+------+----------+-------+---------+-----+
-|NodeID|  NodeType| Status|     Host| Port|
-+------+----------+-------+---------+-----+
-|     0|ConfigNode|Running|  0.0.0.0|22277|
-|     1|ConfigNode|Running|  0.0.0.0|22279|
-|     2|ConfigNode|Running|  0.0.0.0|22281|
-|     3|  DataNode|Running|127.0.0.1| 9003|
-|     4|  DataNode|Running|127.0.0.1| 9005|
-|     5|  DataNode|Running|127.0.0.1| 9007|
-+------+----------+-------+---------+-----+
++------+----------+-------+---------+------------+
+|NodeID|  NodeType| Status|     Host|InternalPort|
++------+----------+-------+---------+------------+
+|     0|ConfigNode|Running|  0.0.0.0|       22277|
+|     1|ConfigNode|Running|  0.0.0.0|       22279|
+|     2|ConfigNode|Running|  0.0.0.0|       22281|
+|     3|  DataNode|Running|127.0.0.1|        9003|
+|     4|  DataNode|Running|127.0.0.1|        9005|
+|     5|  DataNode|Running|127.0.0.1|        9007|
++------+----------+-------+---------+------------+
 Total line number = 6
 It costs 0.011s
 ```
@@ -257,16 +257,16 @@ After a node is stopped, its status will change, as shown 
below:
 
 ```
 IoTDB> show cluster
-+------+----------+-------+---------+-----+
-|NodeID|  NodeType| Status|     Host| Port|
-+------+----------+-------+---------+-----+
-|     0|ConfigNode|Running|  0.0.0.0|22277|
-|     1|ConfigNode|Unknown|  0.0.0.0|22279|
-|     2|ConfigNode|Running|  0.0.0.0|22281|
-|     3|  DataNode|Running|127.0.0.1| 9003|
-|     4|  DataNode|Running|127.0.0.1| 9005|
-|     5|  DataNode|Running|127.0.0.1| 9007|
-+------+----------+-------+---------+-----+
++------+----------+-------+---------+------------+
+|NodeID|  NodeType| Status|     Host|InternalPort|
++------+----------+-------+---------+------------+
+|     0|ConfigNode|Running|  0.0.0.0|       22277|
+|     1|ConfigNode|Unknown|  0.0.0.0|       22279|
+|     2|ConfigNode|Running|  0.0.0.0|       22281|
+|     3|  DataNode|Running|127.0.0.1|        9003|
+|     4|  DataNode|Running|127.0.0.1|        9005|
+|     5|  DataNode|Running|127.0.0.1|        9007|
++------+----------+-------+---------+------------+
 Total line number = 6
 It costs 0.012s
 ```
@@ -294,16 +294,16 @@ Msg: The statement is executed successfully.
 IoTDB> create timeseries root.ln.d1.s1 with datatype=BOOLEAN,encoding=PLAIN
 Msg: The statement is executed successfully.
 
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|    Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|6671|Follower|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|6669|Follower|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|6667|  Leader|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
5|127.0.0.1|6671|Follower|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|6669|Follower|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
3|127.0.0.1|6667|  Leader|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|    Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|   6671|Follower|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|   6669|Follower|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|   6667|  Leader|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
5|127.0.0.1|   6671|Follower|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|   6669|Follower|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
3|127.0.0.1|   6667|  Leader|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
 Total line number = 6
 It costs 0.032s
 ```
@@ -313,12 +313,12 @@ Then take a look at the distribution of Regions under a 
single copy:
 
 ```sql
 IoTDB> show regions
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|  Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|6671|Leader|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|6669|Leader|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|  Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|   6671|Leader|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|   6669|Leader|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
 Total line number = 2
 It costs 0.128s
 ```
@@ -332,29 +332,29 @@ IoTDB> insert into root.ln.d1(timestamp,s1) values(1,true)
 Msg: The statement is executed successfully.
 
 IoTDB> show data regions
-+--------+----------+------+-------------+------------+----------+----------+---------+----+--------+
-|RegionId|      Type|Status|storage group|Series Slots|Time Slots|DataNodeId|  
   Host|Port|    Role|
-+--------+----------+------+-------------+------------+----------+----------+---------+----+--------+
-|       2|DataRegion|    Up|      root.sg|           1|         1|         
5|127.0.0.1|6671|Follower|
-|       2|DataRegion|    Up|      root.sg|           1|         1|         
4|127.0.0.1|6669|  Leader|
-|       2|DataRegion|    Up|      root.sg|           1|         1|         
3|127.0.0.1|6667|Follower|
-|       3|DataRegion|    Up|      root.ln|           1|         1|         
5|127.0.0.1|6671|  Leader|
-|       3|DataRegion|    Up|      root.ln|           1|         1|         
4|127.0.0.1|6669|Follower|
-|       3|DataRegion|    Up|      root.ln|           1|         1|         
3|127.0.0.1|6667|Follower|
-+--------+----------+------+-------------+------------+----------+----------+---------+----+--------+
++--------+----------+------+-------------+------------+----------+----------+---------+-------+--------+
+|RegionId|      Type|Status|storage group|Series Slots|Time Slots|DataNodeId|  
   Host|RpcPort|    Role|
++--------+----------+------+-------------+------------+----------+----------+---------+-------+--------+
+|       2|DataRegion|    Up|      root.sg|           1|         1|         
5|127.0.0.1|   6671|Follower|
+|       2|DataRegion|    Up|      root.sg|           1|         1|         
4|127.0.0.1|   6669|  Leader|
+|       2|DataRegion|    Up|      root.sg|           1|         1|         
3|127.0.0.1|   6667|Follower|
+|       3|DataRegion|    Up|      root.ln|           1|         1|         
5|127.0.0.1|   6671|  Leader|
+|       3|DataRegion|    Up|      root.ln|           1|         1|         
4|127.0.0.1|   6669|Follower|
+|       3|DataRegion|    Up|      root.ln|           1|         1|         
3|127.0.0.1|   6667|Follower|
++--------+----------+------+-------------+------------+----------+----------+---------+-------+--------+
 Total line number = 2
 It costs 0.011s
 IoTDB> show schema regions
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|    Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|6671|Follower|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|6669|  Leader|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|6667|Follower|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
5|127.0.0.1|6671|Follower|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|6669|Follower|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
3|127.0.0.1|6667|  Leader|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|    Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|   6671|Follower|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|   6669|  Leader|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|   6667|Follower|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
5|127.0.0.1|   6671|Follower|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|   6669|Follower|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
3|127.0.0.1|   6667|  Leader|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
 Total line number = 2
 It costs 0.012s
 ```
@@ -363,29 +363,29 @@ Show region distribution of specified storage groups
 
 ```
 IoTDB> show regions of storage group root.sg
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|    Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|6671|Follower|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|6669|  Leader|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|6667|Follower|
-|       2|  DataRegion|    Up|      root.sg|           1|         1|         
5|127.0.0.1|6671|Follower|
-|       2|  DataRegion|    Up|      root.sg|           1|         1|         
4|127.0.0.1|6669|  Leader|
-|       2|  DataRegion|    Up|      root.sg|           1|         1|         
3|127.0.0.1|6667|Follower|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|    Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|   6671|Follower|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|   6669|  Leader|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|   6667|Follower|
+|       2|  DataRegion|    Up|      root.sg|           1|         1|         
5|127.0.0.1|   6671|Follower|
+|       2|  DataRegion|    Up|      root.sg|           1|         1|         
4|127.0.0.1|   6669|  Leader|
+|       2|  DataRegion|    Up|      root.sg|           1|         1|         
3|127.0.0.1|   6667|Follower|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
 Total line number = 2
 It costs 0.005s
 
 IoTDB> create timeseries root.sgcc.wf01.d1.wt01 with 
datatype=BOOLEAN,encoding=PLAIN
 Msg: The statement is executed successfully.
 IoTDB> show regions of storage group root.*.wf01
-+--------+------------+------+--------------+------------+----------+----------+---------+----+--------+
-|RegionId|        Type|Status| storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|    Role|
-+--------+------------+------+--------------+------------+----------+----------+---------+----+--------+
-|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
5|127.0.0.1|6671|  Leader|
-|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
4|127.0.0.1|6669|Follower|
-|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
3|127.0.0.1|6667|Follower|
-+--------+------------+------+--------------+------------+----------+----------+---------+----+--------+
++--------+------------+------+--------------+------------+----------+----------+---------+-------+--------+
+|RegionId|        Type|Status| storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|    Role|
++--------+------------+------+--------------+------------+----------+----------+---------+-------+--------+
+|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
5|127.0.0.1|   6671|  Leader|
+|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
4|127.0.0.1|   6669|Follower|
+|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
3|127.0.0.1|   6667|Follower|
++--------+------------+------+--------------+------------+----------+----------+---------+-------+--------+
 Total line number = 3
 It costs 0.012s
 ```
diff --git a/docs/zh/UserGuide/Maintenance-Tools/Maintenance-Command.md 
b/docs/zh/UserGuide/Maintenance-Tools/Maintenance-Command.md
index ac85faa8f1..81ac8a6aec 100644
--- a/docs/zh/UserGuide/Maintenance-Tools/Maintenance-Command.md
+++ b/docs/zh/UserGuide/Maintenance-Tools/Maintenance-Command.md
@@ -146,44 +146,44 @@ Msg: The statement is executed successfully.
 IoTDB> create timeseries root.ln.d1.s1 with datatype=BOOLEAN,encoding=PLAIN
 Msg: The statement is executed successfully.
 IoTDB> show regions
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|  Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
1|127.0.0.1|6667|Leader|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
2|127.0.0.1|6668|Leader|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|  Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
1|127.0.0.1|   6667|Leader|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
2|127.0.0.1|   6668|Leader|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
 Total line number = 2
 It costs 0.013s
 
 IoTDB> show datanodes
-+------+-------+---------+----+-------------+---------------+
-|NodeID| Status|     Host|Port|DataRegionNum|SchemaRegionNum|
-+------+-------+---------+----+-------------+---------------+
-|     1|Running|127.0.0.1|6667|            0|              1|
-|     2|Running|127.0.0.1|6668|            0|              1|
-+------+-------+---------+----+-------------+---------------+
++------+-------+---------+-------+-------------+---------------+
+|NodeID| Status|     Host|RpcPort|DataRegionNum|SchemaRegionNum|
++------+-------+---------+-------+-------------+---------------+
+|     1|Running|127.0.0.1|   6667|            0|              1|
+|     2|Running|127.0.0.1|   6668|            0|              1|
++------+-------+---------+-------+-------------+---------------+
 Total line number = 2
 It costs 0.007s
 
 IoTDB> insert into root.ln.d1(timestamp,s1) values(1,true)
 Msg: The statement is executed successfully.
 IoTDB> show regions
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|  Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
1|127.0.0.1|6667|Leader|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
2|127.0.0.1|6668|Leader|
-|       2|  DataRegion|    Up|      root.ln|           1|         1|         
1|127.0.0.1|6667|Leader|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|  Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
1|127.0.0.1|   6667|Leader|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
2|127.0.0.1|   6668|Leader|
+|       2|  DataRegion|    Up|      root.ln|           1|         1|         
1|127.0.0.1|   6667|Leader|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
 Total line number = 3
 It costs 0.008s
 IoTDB> show datanodes
-+------+-------+---------+----+-------------+---------------+
-|NodeID| Status|     Host|Port|DataRegionNum|SchemaRegionNum|
-+------+-------+---------+----+-------------+---------------+
-|     1|Running|127.0.0.1|6667|            1|              1|
-|     2|Running|127.0.0.1|6668|            0|              1|
-+------+-------+---------+----+-------------+---------------+
++------+-------+---------+-------+-------------+---------------+
+|NodeID| Status|     Host|RpcPort|DataRegionNum|SchemaRegionNum|
++------+-------+---------+-------+-------------+---------------+
+|     1|Running|127.0.0.1|   6667|            1|              1|
+|     2|Running|127.0.0.1|   6668|            0|              1|
++------+-------+---------+-------+-------------+---------------+
 Total line number = 2
 It costs 0.006s
 ```
@@ -208,13 +208,13 @@ SHOW CONFIGNODES
 
 ```
 IoTDB> show confignodes
-+------+-------+-------+-----+--------+
-|NodeID| Status|   Host| Port|    Role|
-+------+-------+-------+-----+--------+
-|     0|Running|0.0.0.0|22277|  Leader|
-|     1|Running|0.0.0.0|22279|Follower|
-|     2|Running|0.0.0.0|22281|Follower|
-+------+-------+-------+-----+--------+
++------+-------+-------+------------+--------+
+|NodeID| Status|   Host|InternalPort|    Role|
++------+-------+-------+------------+--------+
+|     0|Running|0.0.0.0|       22277|  Leader|
+|     1|Running|0.0.0.0|       22279|Follower|
+|     2|Running|0.0.0.0|       22281|Follower|
++------+-------+-------+------------+--------+
 Total line number = 3
 It costs 0.030s
 ```
@@ -237,16 +237,16 @@ SHOW CLUSTER
 
 ```
 IoTDB> show cluster
-+------+----------+-------+---------+-----+
-|NodeID|  NodeType| Status|     Host| Port|
-+------+----------+-------+---------+-----+
-|     0|ConfigNode|Running|  0.0.0.0|22277|
-|     1|ConfigNode|Running|  0.0.0.0|22279|
-|     2|ConfigNode|Running|  0.0.0.0|22281|
-|     3|  DataNode|Running|127.0.0.1| 9003|
-|     4|  DataNode|Running|127.0.0.1| 9005|
-|     5|  DataNode|Running|127.0.0.1| 9007|
-+------+----------+-------+---------+-----+
++------+----------+-------+---------+------------+
+|NodeID|  NodeType| Status|     Host|InternalPort|
++------+----------+-------+---------+------------+
+|     0|ConfigNode|Running|  0.0.0.0|       22277|
+|     1|ConfigNode|Running|  0.0.0.0|       22279|
+|     2|ConfigNode|Running|  0.0.0.0|       22281|
+|     3|  DataNode|Running|127.0.0.1|        9003|
+|     4|  DataNode|Running|127.0.0.1|        9005|
+|     5|  DataNode|Running|127.0.0.1|        9007|
++------+----------+-------+---------+------------+
 Total line number = 6
 It costs 0.011s
 ```
@@ -274,16 +274,16 @@ Msg: The statement is executed successfully.
 IoTDB> create timeseries root.ln.d1.s1 with datatype=BOOLEAN,encoding=PLAIN
 Msg: The statement is executed successfully.
 
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|    Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|6671|Follower|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|6669|Follower|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|6667|  Leader|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
5|127.0.0.1|6671|Follower|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|6669|Follower|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
3|127.0.0.1|6667|  Leader|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|    Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|   6671|Follower|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|   6669|Follower|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|   6667|  Leader|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
5|127.0.0.1|   6671|Follower|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|   6669|Follower|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
3|127.0.0.1|   6667|  Leader|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
 Total line number = 6
 It costs 0.032s
 ```
@@ -293,12 +293,12 @@ It costs 0.032s
 
 ```sql
 IoTDB> show regions
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|  Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|6671|Leader|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|6669|Leader|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|  Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|   6671|Leader|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|   6669|Leader|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+------+
 Total line number = 2
 It costs 0.128s
 ```
@@ -311,29 +311,29 @@ IoTDB> insert into root.ln.d1(timestamp,s1) values(1,true)
 Msg: The statement is executed successfully.
 
 IoTDB> show data regions
-+--------+----------+------+-------------+------------+----------+----------+---------+----+--------+
-|RegionId|      Type|Status|storage group|Series Slots|Time Slots|DataNodeId|  
   Host|Port|    Role|
-+--------+----------+------+-------------+------------+----------+----------+---------+----+--------+
-|       2|DataRegion|    Up|      root.sg|           1|         1|         
5|127.0.0.1|6671|Follower|
-|       2|DataRegion|    Up|      root.sg|           1|         1|         
4|127.0.0.1|6669|  Leader|
-|       2|DataRegion|    Up|      root.sg|           1|         1|         
3|127.0.0.1|6667|Follower|
-|       3|DataRegion|    Up|      root.ln|           1|         1|         
5|127.0.0.1|6671|  Leader|
-|       3|DataRegion|    Up|      root.ln|           1|         1|         
4|127.0.0.1|6669|Follower|
-|       3|DataRegion|    Up|      root.ln|           1|         1|         
3|127.0.0.1|6667|Follower|
-+--------+----------+------+-------------+------------+----------+----------+---------+----+--------+
++--------+----------+------+-------------+------------+----------+----------+---------+-------+--------+
+|RegionId|      Type|Status|storage group|Series Slots|Time Slots|DataNodeId|  
   Host|RpcPort|    Role|
++--------+----------+------+-------------+------------+----------+----------+---------+-------+--------+
+|       2|DataRegion|    Up|      root.sg|           1|         1|         
5|127.0.0.1|   6671|Follower|
+|       2|DataRegion|    Up|      root.sg|           1|         1|         
4|127.0.0.1|   6669|  Leader|
+|       2|DataRegion|    Up|      root.sg|           1|         1|         
3|127.0.0.1|   6667|Follower|
+|       3|DataRegion|    Up|      root.ln|           1|         1|         
5|127.0.0.1|   6671|  Leader|
+|       3|DataRegion|    Up|      root.ln|           1|         1|         
4|127.0.0.1|   6669|Follower|
+|       3|DataRegion|    Up|      root.ln|           1|         1|         
3|127.0.0.1|   6667|Follower|
++--------+----------+------+-------------+------------+----------+----------+---------+-------+--------+
 Total line number = 2
 It costs 0.011s
 IoTDB> show schema regions
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|    Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|6671|Follower|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|6669|  Leader|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|6667|Follower|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
5|127.0.0.1|6671|Follower|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|6669|Follower|
-|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
3|127.0.0.1|6667|  Leader|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|    Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|   6671|Follower|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|   6669|  Leader|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|   6667|Follower|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
5|127.0.0.1|   6671|Follower|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
4|127.0.0.1|   6669|Follower|
+|       1|SchemaRegion|    Up|      root.ln|           1|         0|         
3|127.0.0.1|   6667|  Leader|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
 Total line number = 2
 It costs 0.012s
 ```
@@ -342,29 +342,29 @@ It costs 0.012s
 
 ```
 IoTDB> show regions of storage group root.sg
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|    Role|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|6671|Follower|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|6669|  Leader|
-|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|6667|Follower|
-|       2|  DataRegion|    Up|      root.sg|           1|         1|         
5|127.0.0.1|6671|Follower|
-|       2|  DataRegion|    Up|      root.sg|           1|         1|         
4|127.0.0.1|6669|  Leader|
-|       2|  DataRegion|    Up|      root.sg|           1|         1|         
3|127.0.0.1|6667|Follower|
-+--------+------------+------+-------------+------------+----------+----------+---------+----+--------+
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|RegionId|        Type|Status|storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|    Role|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
5|127.0.0.1|   6671|Follower|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
4|127.0.0.1|   6669|  Leader|
+|       0|SchemaRegion|    Up|      root.sg|           2|         0|         
3|127.0.0.1|   6667|Follower|
+|       2|  DataRegion|    Up|      root.sg|           1|         1|         
5|127.0.0.1|   6671|Follower|
+|       2|  DataRegion|    Up|      root.sg|           1|         1|         
4|127.0.0.1|   6669|  Leader|
+|       2|  DataRegion|    Up|      root.sg|           1|         1|         
3|127.0.0.1|   6667|Follower|
++--------+------------+------+-------------+------------+----------+----------+---------+-------+--------+
 Total line number = 2
 It costs 0.005s
 
 IoTDB> create timeseries root.sgcc.wf01.d1.wt01 with 
datatype=BOOLEAN,encoding=PLAIN
 Msg: The statement is executed successfully.
 IoTDB> show regions of storage group root.*.wf01
-+--------+------------+------+--------------+------------+----------+----------+---------+----+--------+
-|RegionId|        Type|Status| storage group|Series Slots|Time 
Slots|DataNodeId|     Host|Port|    Role|
-+--------+------------+------+--------------+------------+----------+----------+---------+----+--------+
-|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
5|127.0.0.1|6671|  Leader|
-|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
4|127.0.0.1|6669|Follower|
-|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
3|127.0.0.1|6667|Follower|
-+--------+------------+------+--------------+------------+----------+----------+---------+----+--------+
++--------+------------+------+--------------+------------+----------+----------+---------+-------+--------+
+|RegionId|        Type|Status| storage group|Series Slots|Time 
Slots|DataNodeId|     Host|RpcPort|    Role|
++--------+------------+------+--------------+------------+----------+----------+---------+-------+--------+
+|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
5|127.0.0.1|   6671|  Leader|
+|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
4|127.0.0.1|   6669|Follower|
+|       4|SchemaRegion|    Up|root.sgcc.wf01|           1|         0|         
3|127.0.0.1|   6667|Follower|
++--------+------------+------+--------------+------------+----------+----------+---------+-------+--------+
 Total line number = 3
 It costs 0.012s
 ```
diff --git 
a/node-commons/src/main/java/org/apache/iotdb/commons/utils/NodeUrlUtils.java 
b/node-commons/src/main/java/org/apache/iotdb/commons/utils/NodeUrlUtils.java
index aa727d8769..8dbf8459e3 100644
--- 
a/node-commons/src/main/java/org/apache/iotdb/commons/utils/NodeUrlUtils.java
+++ 
b/node-commons/src/main/java/org/apache/iotdb/commons/utils/NodeUrlUtils.java
@@ -72,7 +72,7 @@ public class NodeUrlUtils {
   public static TEndPoint parseTEndPointUrl(String endPointUrl) throws 
BadNodeUrlException {
     String[] split = endPointUrl.split(":");
     if (split.length != 2) {
-      logger.warn("Bad node url: {}", endPointUrl);
+      logger.warn("Bad node url: {}, please check the IP:PORT inputs", 
endPointUrl);
       throw new BadNodeUrlException(String.format("Bad node url: %s", 
endPointUrl));
     }
     String ip = split[0];
@@ -81,7 +81,7 @@ public class NodeUrlUtils {
       int port = Integer.parseInt(split[1]);
       result = new TEndPoint(ip, port);
     } catch (NumberFormatException e) {
-      logger.warn("Bad node url: {}", endPointUrl);
+      logger.warn("Bad node url: {}, please check the IP:PORT inputs", 
endPointUrl);
       throw new BadNodeUrlException(String.format("Bad node url: %s", 
endPointUrl));
     }
     return result;
diff --git 
a/server/src/main/java/org/apache/iotdb/db/mpp/common/header/ColumnHeaderConstant.java
 
b/server/src/main/java/org/apache/iotdb/db/mpp/common/header/ColumnHeaderConstant.java
index ef6cf7379d..a1ebb0d55a 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/mpp/common/header/ColumnHeaderConstant.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/mpp/common/header/ColumnHeaderConstant.java
@@ -67,7 +67,8 @@ public class ColumnHeaderConstant {
   public static final String COLUMN_NODE_TYPE = "NodeType";
   public static final String COLUMN_STATUS = "Status";
   public static final String COLUMN_HOST = "Host";
-  public static final String COLUMN_PORT = "Port";
+  public static final String COLUMN_INTERNAL_PORT = "InternalPort";
+  public static final String COLUMN_RPC_PORT = "RpcPort";
 
   // column names for show functions statement
   public static final String COLUMN_FUNCTION_NAME = "function name";
@@ -201,7 +202,7 @@ public class ColumnHeaderConstant {
           new ColumnHeader(COLUMN_TIME_SLOTS, TSDataType.INT64),
           new ColumnHeader(COLUMN_DATANODE_ID, TSDataType.INT32),
           new ColumnHeader(COLUMN_HOST, TSDataType.TEXT),
-          new ColumnHeader(COLUMN_PORT, TSDataType.INT32),
+          new ColumnHeader(COLUMN_RPC_PORT, TSDataType.INT32),
           new ColumnHeader(COLUMN_ROLE, TSDataType.TEXT));
 
   public static final List<ColumnHeader> showDataNodesColumnHeaders =
@@ -209,7 +210,7 @@ public class ColumnHeaderConstant {
           new ColumnHeader(COLUMN_NODE_ID, TSDataType.INT32),
           new ColumnHeader(COLUMN_STATUS, TSDataType.TEXT),
           new ColumnHeader(COLUMN_HOST, TSDataType.TEXT),
-          new ColumnHeader(COLUMN_PORT, TSDataType.INT32),
+          new ColumnHeader(COLUMN_RPC_PORT, TSDataType.INT32),
           new ColumnHeader(COLUMN_DATA_REGION_NUM, TSDataType.INT32),
           new ColumnHeader(COLUMN_SCHEMA_REGION_NUM, TSDataType.INT32));
 
@@ -218,7 +219,7 @@ public class ColumnHeaderConstant {
           new ColumnHeader(COLUMN_NODE_ID, TSDataType.INT32),
           new ColumnHeader(COLUMN_STATUS, TSDataType.TEXT),
           new ColumnHeader(COLUMN_HOST, TSDataType.TEXT),
-          new ColumnHeader(COLUMN_PORT, TSDataType.INT32),
+          new ColumnHeader(COLUMN_INTERNAL_PORT, TSDataType.INT32),
           new ColumnHeader(COLUMN_ROLE, TSDataType.TEXT));
 
   public static final List<ColumnHeader> showClusterColumnHeaders =
@@ -227,7 +228,7 @@ public class ColumnHeaderConstant {
           new ColumnHeader(COLUMN_NODE_TYPE, TSDataType.TEXT),
           new ColumnHeader(COLUMN_STATUS, TSDataType.TEXT),
           new ColumnHeader(COLUMN_HOST, TSDataType.TEXT),
-          new ColumnHeader(COLUMN_PORT, TSDataType.INT32));
+          new ColumnHeader(COLUMN_INTERNAL_PORT, TSDataType.INT32));
 
   public static final List<ColumnHeader> showFunctionsColumnHeaders =
       ImmutableList.of(
diff --git 
a/server/src/main/java/org/apache/iotdb/db/service/DataNodeServerCommandLine.java
 
b/server/src/main/java/org/apache/iotdb/db/service/DataNodeServerCommandLine.java
index 5fc9c2a022..f32716f0df 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/service/DataNodeServerCommandLine.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/service/DataNodeServerCommandLine.java
@@ -188,13 +188,14 @@ public class DataNodeServerCommandLine extends 
ServerCommandLine {
               .filter(location -> 
endPoints.contains(location.getClientRpcEndPoint()))
               .collect(Collectors.toList());
     } catch (TException e) {
-      logger.error("get data node locations failed", e);
+      logger.error("Get data node locations failed", e);
     }
 
     if (endPoints.size() != dataNodeLocations.size()) {
       logger.error(
-          "build DataNode locations error, "
-              + "because number of input DataNode({}) NOT EQUALS the number of 
fetched DataNodeLocations({}), will return empty locations",
+          "Build DataNode locations error, "
+              + "because number of input DataNode({}) not equals the number of 
fetched DataNodeLocations({}), "
+              + "please check your IP:RPC_PORT inputs",
           endPoints.size(),
           dataNodeLocations.size());
       dataNodeLocations.clear();


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