Curated Issues

Java Good First Issues

Browse open source issues tagged with Java in the issue metadata. Results stay focused on work that can become public contribution evidence.

382 matching issues

Java

Slice signals

  • Average annotated difficulty: 2.5/5 across 5,028 issues.
  • 75% of 5,028 time estimates are one day or less.
Closed
[2.x] `reboot` causes sbt to exit
Bughelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

sbt / sbt · #9095 · Apr 15, 2026 · Scala · 4,928 stars

1 comment0 reactions0 assignees
Closed
[OID4VCI] c_nonce Replay
area/oid4vchelp wantedkind/bugpriority/normalstatus/auto-bumpteam/core-protocols
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

keycloak / keycloak · #48043 · Apr 14, 2026 · Java · 34,398 stars

3 comments1 reaction1 assignee
Closed
Nacos 3.2.0 LDAP Failed to introspect Class
area/plugincontribution welcomehelp wantedstatus/need feedback
Why recommendedHas a beginner-friendly label · Repository active this month
Has a beginner-friendly labelRepository active this monthContributing guide available

alibaba / nacos · #14911 · Apr 11, 2026 · Java · 33,272 stars

13 comments0 reactions1 assignee
Closed
Keycloak port included in some but not all OIDC endpoints
area/oidchelp wantedkind/bugpriority/normalstatus/auto-bumpstatus/auto-expireteam/core-clients
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

keycloak / keycloak · #47817 · Apr 7, 2026 · Java · 34,398 stars

1 comment2 reactions1 assignee
Closed
Internal server error on login form submission with oversized input
area/login/uihelp wantedkind/bugpriority/lowstatus/auto-bumpstatus/auto-expireteam/core-authnteam/core-clients
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

keycloak / keycloak · #47802 · Apr 7, 2026 · Java · 34,398 stars

1 comment2 reactions0 assignees
Closed
Admin UI drops unknown realm attributes when saving realm settings
area/admin/uihelp wantedkind/bugpriority/lowstatus/auto-bumpstatus/auto-expireteam/core-clientsteam/core-shared
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

keycloak / keycloak · #47682 · Apr 1, 2026 · Java · 34,398 stars

4 comments1 reaction0 assignees