[jira] [Created] (KYLIN-5796) The system reports error when the number of models exported exceeds 256 at a time

["zhimin wu (Jira)" <ji...@apache.org>]

zhimin wu created KYLIN-5796:
--------------------------------

             Summary: The system reports error when the number of models exported exceeds 256 at a time
                 Key: KYLIN-5796
                 URL: https://issues.apache.org/jira/browse/KYLIN-5796
             Project: Kylin
          Issue Type: Bug
            Reporter: zhimin wu


### Root Cause

The root cause of the issue is that the size of the list passed from the frontend exceeds the maximum limit allowed for form-urlencoded requests in Spring. The default limit for the growth of arrays and collections in Spring's DataBinder class is set to 256:

```java
public static final int DEFAULT_AUTO_GROW_COLLECTION_LIMIT = 256;
```

To address this issue, you may need to adjust the configuration related to the form-urlencoded request handling in Spring to accommodate larger list sizes being passed from the frontend. This could involve increasing the maximum limit for auto-growing collections or implementing alternative solutions to handle larger input data efficiently.

If you need further assistance or guidance on how to modify the configuration to resolve this issue, please let me know.



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