CODEWITHSUNDEEP
kotlinspring-beanjackson-dataformat-csv
peekay
peekay

Reputation: 1271

Jackson CsvMapper Bean not registering JavaTimeModule

I recently attempted to use the Jackson CsvMapper and I found a peculiar "feature" that I think is a bug in the jackson lib. If I create a Spring bean for the mapper it appears to ignore the JavaTimeModule and the following error Java 8 date/time type 'java.time.*' not supported by default I substituted the class with '*' since all of the java time classes failed. Has anyone seen this behavior before?

Here is my bean:

@Bean
fun csvMapper():CsvMapper = CsvMapper.builder()
        .enable(CsvParser.Feature.TRIM_SPACES)
        .enable(CsvParser.Feature.SKIP_EMPTY_LINES)
        .addModule(JavaTimeModule()).build()

Here is a static instance in the class doing the processing that works as expected:

companion object {
    val csvMapper: CsvMapper = CsvMapper.builder()
    .enable(CsvParser.Feature.TRIM_SPACES)
    .enable(CsvParser.Feature.SKIP_EMPTY_LINES)
    .addModule(JavaTimeModule()).build()
}

I have tried other modules as well, such as the KotlinModule and none of them seem to be registered correctly in the bean.

Upvotes: 0

Views: 178

Answers (1)

AndrewL
AndrewL

Reputation: 3435

How are you acquiring a reference to the Bean and the use-site?

I would bet that Spring is binding a different instance of CsvMapper. Note that CsvMapper is a subclass of ObjectMapper.

In the Spring variation of your application try commenting out that that bean declaration, or debug putting a breakpoint to find the object reference for the bean you think is being used and then another breakpoint at the use-site, etc, etc.

Upvotes: 0

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