sink oracle端的时候偶尔有几个任务出现 kafka接收到数据有 Initializing C3P0 pool

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Stale
Tech stack
java, kafka, sql
Domain
data-engineering, databases, distributed-systems

Research direction

Start with the Kafka-to-Oracle sink in YARN-per mode and inspect the logs around “Initializing C3P0 pool” for the tasks that become stuck. Compare the affected tasks with tasks that receive data successfully; done means the intermittent hang is explained and the affected tasks complete normally.

Written by the indexing model from the issue text.

Description

数据流转 kafka -flink-oracle
yarn-per 模式。能再yarn上运行起来，但在kakfa接收到数据之后就一直卡在Initializing C3P0 pool
image

Dominant language
Java
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