Issues

• EnvironmentVariableDefaultProvider matches prefixes of longer option names

  cbeust/jcommander#616 · Filter by author PHJ2000 opened on Oct 5, 2026

• arity should support with list parameter to support multiple occurence of the param

  cbeust/jcommander#606 · Filter by author atulgpt opened on Oct 23, 2025

• Please add support for option grouping

  cbeust/jcommander#605 · Filter by author lukehutch opened on Sep 24, 2025

• @ParametersDelegate fails if delegate class implements BiPredicate

  cbeust/jcommander#582 · Filter by author lindenb opened on May 13, 2024
  2

• An IParametersValidator on an ParametersDelegate should not be lifted to the top-level object

  bug
  cbeust/jcommander#575 · Filter by author ekpdt opened on Jan 3, 2024
  2

• Does Jcommander support parse args into multiple sub command

  cbeust/jcommander#570 · Filter by author ruanwenjun opened on Oct 24, 2023
  4

• [Bug] unexpected throw ParameterException("Password parameter must have at most 1 argument.")

  cbeust/jcommander#568 · Filter by author shaburov opened on Oct 11, 2023
  6

• Support for Java Records

  cbeust/jcommander#560 · Filter by author mkarg opened on Jun 18, 2023
  1

• Main parameter conversion has priority over arity validation

  bug
  cbeust/jcommander#546 · Filter by author jontmy opened on Nov 2, 2022
  1

• Why is there module-info.java?

  bug
  cbeust/jcommander#544 · Filter by author mkoncek opened on Sep 7, 2022
  1

• Changelog missing updates

  cbeust/jcommander#531 · Filter by author Auo opened on Jan 19, 2022
  4

• Repetition of same Boolean argument with arity 0 negates argument's value

  cbeust/jcommander#530 · Filter by author twwwt opened on Dec 13, 2021
  2

• Jcommander support Enum

  cbeust/jcommander#526 · Filter by author jja725 opened on Oct 7, 2021
  1

• Combining required=true with defaults

  cbeust/jcommander#517 · Filter by author mkarg opened on May 12, 2021
  1

• Multiple Default Providers

  cbeust/jcommander#516 · Filter by author mkarg opened on May 12, 2021
  2

• Support for default command

  cbeust/jcommander#513 · Filter by author mkarg opened on Mar 23, 2021
  1

• cannot detected the required parameter if no value input

  cbeust/jcommander#508 · Filter by author bglmmz opened on Nov 26, 2020

• Have a default validator

  cbeust/jcommander#507 · Filter by author Chuckame opened on Oct 29, 2020
  1

• [BUG] FuzzyMap.IKey is package private

  cbeust/jcommander#505 · Filter by author shaburov opened on Oct 18, 2020
  4

• Missing OSGi headers in MANIFEST.MF

  cbeust/jcommander#502 · Filter by author adessaigne opened on Oct 7, 2020

• Cannot use in Scala the validation feature

  cbeust/jcommander#500 · Filter by author PavelZeger opened on Sep 2, 2020
  1

• Maven Central Updates

  cbeust/jcommander#499 · Filter by author mkarg opened on Sep 1, 2020
  6

• Add possibility for list -> object

  cbeust/jcommander#498 · Filter by author StaffanArvidsson opened on Aug 7, 2020

• Javadocs link broken

  cbeust/jcommander#494 · Filter by author gfinocchiaro opened on Jun 30, 2020

• IStringConverter must NOT be Inner Class

  cbeust/jcommander#489 · Filter by author phreed opened on Jun 5, 2020
  1