[jira] [Created] (FLINK-34790) The program encountered a blockage preventing it from reading snapshot data from mysql-cdc [Bug]

["Flink CDC Issue Import (Jira)" <ji...@apache.org>]

Flink CDC Issue Import created FLINK-34790:
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             Summary: The program encountered a blockage preventing it from reading snapshot data from mysql-cdc [Bug] 
                 Key: FLINK-34790
                 URL: https://issues.apache.org/jira/browse/FLINK-34790
             Project: Flink
          Issue Type: Bug
          Components: Flink CDC
            Reporter: Flink CDC Issue Import


### Search before asking

- [X] I searched in the [issues|https://github.com/ververica/flink-cdc-connectors/issues) and found nothing similar.


### Flink version

1.14.5

### Flink CDC version

2.3

### Database and its version

mysql 5.7.41

### Minimal reproduce step

### flink config:
taskmanager.memory.process.size: 2 gb
taskmanager.numberOfTaskSlots: 1
parallelism.default: 1
### mysql table schema and data:
The data must be kept confidential.  If needed, please contact me at 997874603@qq.com.

### What did you expect to see?

Read the snapshot data of this table normally.

### What did you see instead?

The snapshot data query was successful, but there was no return value when calling the method com.ververica.cdc.connectors.mysql.debezium.task.MySqlSnapshotSplitReadTask.readField(ResultSet, int, Column, Table].

### Anything else?

_No response_

### Are you willing to submit a PR?

- [X] I'm willing to submit a PR!

---------------- Imported from GitHub ----------------
Url: https://github.com/apache/flink-cdc/issues/2158
Created by: [gongzexin|https://github.com/gongzexin]
Labels: bug, 
Created at: Mon May 29 17:15:48 CST 2023
State: open




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