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.

5,028 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
PassKey "User verification requirement" error's are not translated
area/authentication/webauthnarea/translationshelp wantedkind/enhancementpriority/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 · #44963 · Dec 17, 2025 · Java · 34,398 stars

5 comments3 reactions0 assignees
Open
[Feature]: MCP Task Support
area/core/toolenhancementgood first issue
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

agentscope-ai / agentscope-java · #217 · Dec 17, 2025 · Java · 3,253 stars

2 comments0 reactions1 assignee
Open
Broker links are not cleaned up for deleted users
area/identity-brokeringhelp wantedkind/bugpriority/normalteam/core-iam
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

keycloak / keycloak · #44933 · Dec 16, 2025 · Java · 34,398 stars

2 comments3 reactions1 assignee
Closed
Deep Stack Trace from Long Min/Max Column Values
help wantedstale
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

apache / pinot · #17378 · Dec 16, 2025 · Java · 4,937 stars

4 comments0 reactions0 assignees
Closed
Support casting struct/array/map to JSON
good first issueno-issue-activitytype/enhancement
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available

StarRocks / starrocks · #66720 · Dec 15, 2025 · Java · 5,717 stars

4 comments1 reaction1 assignee
Open
Add support for unsup
enhancementhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly label

itzg / docker-minecraft-server · #3798 · Dec 11, 2025 · Shell · 13,694 stars

1 comment0 reactions0 assignees
Open
Migrate JDBC tests from testng to JUnit
good first issuejdbctest
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

trinodb / trino · #27600 · Dec 10, 2025 · Java · 9,113 stars

6 comments0 reactions0 assignees
Open
feat(java): Support for Maven 4 settings.xml
help wantedkind/featuretarget/filesystem
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

aquasecurity / trivy · #9908 · Dec 9, 2025 · Go · 35,000 stars

2 comments0 reactions0 assignees