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# About | Jackson’s Pages
Class of 2025
[http://localhost:4100/jackson_2025/about/](http://localhost:4100/jackson_2025/about/)
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## Library
[OpenCSV](https://opencsv.sourceforge.net)
[Jackson](https://github.com/FasterXML/jackson)
## Purpose
OpenCSV is used to parse CSV file while Jackson is used for parsing JSON file…
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```bash
Exception in thread "main" org.apache.flink.cdc.shaded.com.apache.commons.cli.UnrecognizedOptionException: Unrecognized option: -Dexecution.checkpointing.interval=3000
at org.apache.…
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Type: Exception Report
Message: Servlet execution threw an exception
Description: The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception:
jav…
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### Describe the bug
I want to use the new `ListSignal` with a Java Record that contains a field of type `LocalDateTime`. This is currently not possible, as a request from the frontend to the backend…
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`ModelResolver.findJsonVauleType` references Jackson [`BeanDescription.findJsonVauleMethod`](https://github.com/swagger-api/swagger-core/blob/6c14ceb262d019bc4eec170b30d163c81f1b51b5/modules/swagger-c…
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I wanted to serialize a fairly complex object structure and came across this ClassCastException.
It looks like the XML Adapter is called too early when the type is an enum.
Below snippet demonstra…
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### Environment (Required on creation)
The `wildfly/jackson-annotations` example: Repo: https://github.com/camunda/camunda-bpm-examples/tree/master/wildfly/jackson-annotations
The issue is present…
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See logs reported by user:
```
This process is enhanced by Digma!
/Users/admin/Library/Java/JavaVirtualMachines/openjdk-23/Contents/Home/bin/java -XX:TieredStopAtLevel=1 -Dspring.output.ansi.enabled=a…
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if PUBG update there api like GameMode variant,
This library can't handling new GameMode because there is no enum value for that.
jackson library automatically fallback to default enum value that…