FasterXML/jackson-dataformats-text

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Uber-project for (some) standard Jackson textual format backends: csv, properties, yaml (xml to be added in future)

Stars: 455
Forks: 164
Open beginner issues: 0
Indexed issues: 43
Avg merge: 6d 10h
Merged PRs (30d): 2

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 7, 2026
Latest indexed: Sep 15, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Open All

43 open issues indexed

Add an option to serialize List<String> as "comma,separated,value" Open

Properties

FasterXML/jackson-dataformats-text#1 · 4 comments · 5 reactions · 0 assignees · Indexed Sep 15, 2026
Native Object Id handling does not work when converting via Trees Open

has-failing-test yaml

FasterXML/jackson-dataformats-text#2 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Allow specifying custom String placeholder to use when a POJO would serialize as `Object` Open

csv

FasterXML/jackson-dataformats-text#13 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Allow to use multiple-characters delimiter to separate column: withColumnSeparator Open

csv

FasterXML/jackson-dataformats-text#14 · 7 comments · 6 reactions · 0 assignees · Indexed Sep 15, 2026
Infer non-string types from property values. Open

Properties

FasterXML/jackson-dataformats-text#20 · 7 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
CSV Schema map headers to Pojo Open

csv

FasterXML/jackson-dataformats-text#26 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Allow ENV and Java Props substitutions while reading YAML file Open

yaml

FasterXML/jackson-dataformats-text#28 · 4 comments · 3 reactions · 0 assignees · Indexed Sep 15, 2026
`CsvMapper` does not respect `CsvSchema.ColumnType` when using `@JsonAnySetter` Open

csv

FasterXML/jackson-dataformats-text#60 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`@JsonIgnoreProperties` ignores value but not the resulting CSV column Open

csv

FasterXML/jackson-dataformats-text#77 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Polymorphic CSV Reading and Writing Open

csv

FasterXML/jackson-dataformats-text#80 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
`MappingIterator` returns `List` or `Map` depending on `CSVSchema.withHeader()` Open

csv

FasterXML/jackson-dataformats-text#88 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Demultiplexer field Open

csv

FasterXML/jackson-dataformats-text#126 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for non-blocking ("async") YAML parsing Open

yaml

FasterXML/jackson-dataformats-text#165 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Use `CsvSchema.ColumnType.NUMBER` and such to coerce field values from plain `String`s Open

3.x csv pr-needed

FasterXML/jackson-dataformats-text#167 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException: Unrecognized field "<<" (class com.wasiqb.config.DeviceSetting), not marked as ignorable Open

yaml

FasterXML/jackson-dataformats-text#171 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CsvSchema skipFirstDataRow & useHeader Open

csv

FasterXML/jackson-dataformats-text#176 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CSV: Support for Map and Nested fields Open

csv to-evaluate

FasterXML/jackson-dataformats-text#211 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CSV: Support for Master/Detail - variant repeating column formats Open

csv to-evaluate

FasterXML/jackson-dataformats-text#212 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support `@JsonAnyGetter` with CSV Open

csv

FasterXML/jackson-dataformats-text#243 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
More configurable TOML serialization Open

TOML

FasterXML/jackson-dataformats-text#254 · 11 comments · 8 reactions · 0 assignees · Indexed Sep 15, 2026
Support parsing CSV with header regardless of unknown columns Open

csv

FasterXML/jackson-dataformats-text#286 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Async (non-blocking) support for CSV Open

csv

FasterXML/jackson-dataformats-text#287 · 8 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Cannot deserialize YAML sets Open

yaml

FasterXML/jackson-dataformats-text#317 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Security feature: Add feature to sanitize strings against CSV injection (aka Formula Injection). Open

csv

FasterXML/jackson-dataformats-text#326 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 15, 2026
Questionable parsing/serialising of YAML ordered maps Open

yaml

FasterXML/jackson-dataformats-text#340 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Parse properties to Map<String, Object> Open

Properties

FasterXML/jackson-dataformats-text#376 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support for StreamReadConstraints (max name, document lengths) -- TOML Open

processing-limits TOML

FasterXML/jackson-dataformats-text#430 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Parse YAML Keys with dots as dereferenced Map Open

yaml

FasterXML/jackson-dataformats-text#431 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Yaml keys starting with number are being double quoted when mapper.writeValue() Open

yaml

FasterXML/jackson-dataformats-text#447 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
INI Support Open

FasterXML/jackson-dataformats-text#451 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 15, 2026
Pkl support Open

FasterXML/jackson-dataformats-text#464 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Python Support Open

FasterXML/jackson-dataformats-text#467 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Add support for "name:type" style Headers Open

csv

FasterXML/jackson-dataformats-text#474 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Getters needed for ignored properties Open

csv has-failing-test

FasterXML/jackson-dataformats-text#476 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
FeatureRequest: Add PRESERVE_COMMENTS feature for SnakeYAML > 2.0 Open

yaml

FasterXML/jackson-dataformats-text#491 · 4 comments · 4 reactions · 0 assignees · Indexed Sep 15, 2026
in yaml, a ~ key should allow to assing a value to the parent key Open

yaml

FasterXML/jackson-dataformats-text#506 · 39 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
CSV generator does not support Object values for properties (nested Objects) Open

csv

FasterXML/jackson-dataformats-text#556 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Support for new format: StructureFieldValues (RFC 9651) Open

FasterXML/jackson-dataformats-text#588 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 15, 2026
JsonParseException when YAML mapping key is a sequence Open

yaml

FasterXML/jackson-dataformats-text#589 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
yaml: support buffer recycling that doesn't need ThreadLocal Open

yaml

FasterXML/jackson-dataformats-text#612 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 15, 2026
Jackson 3 parses YAML ~ as StringNode instead of NullNode Open

yaml

FasterXML/jackson-dataformats-text#661 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
TOML, Java Properties double-close File/Path source on construction failure Open

FasterXML/jackson-dataformats-text#720 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026
[GLD Serializer Benchmark] Java jackson-yaml unknown — spec compliance misses Open

FasterXML/jackson-dataformats-text#733 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 15, 2026

FasterXML/jackson-dataformats-text

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