apache / apache/iotdb

Fail to CREATE_PIPE

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#13,819 2 comments 0 reactions 0 assignees View on GitHub
Dominant language
Java
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Description

![C1](https://github.com/user-attachments/assets/fb52f336-3169-424e-b121-760c5ee4fbdb)
![C2](https://github.com/user-attachments/assets/df774c1f-3874-4a38-9cf2-74781acf1b01)
**the info of 2 iotdb cluster above ,
when i create pipe,**
_Msg: 1107: ProcedureId 870: Fail to CREATE_PIPE because Failed to create pipe C1toC2, details: DataNodeId: 6, Message: Failed to handle single pipe meta changes for C1toC2, because Failed to construct PipeConnector, because of java.net.UnknownHostException: iotdb-c2-1._
**but i can ping the host: iotdb-c2-1**
![iotdb-pipe-bug](https://github.com/user-attachments/assets/ebf4d533-3a78-4703-a2cc-aac56fb889dd)

Contributor guide

Open the contributing guide

Research direction

Start by reproducing CREATE_PIPE from cluster C1 to C2 and inspect the failure on DataNode 6, focusing on construction of the PipeConnector and resolution of iotdb-c2-1. Compare the reported UnknownHostException with the successful ping and verify that the pipe can be created without the hostname-resolution failure.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
databases, distributed-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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