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
TestTermInSetQuery.testDuel occasionally OOMs
good first issuetype:task
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

apache / lucene · #14611 · May 5, 2025 · Java · 2,179 stars

0 comments0 reactions0 assignees
Open
ClassNotFound
help wanted
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

alibaba / easyexcel · #4112 · May 2, 2025 · Java · 33,728 stars

0 comments0 reactions0 assignees
Closed
Add support for the special regtype data type
complexity: no estimatecontributions welcomefeature: pgsqlgood first issuetool: DataGriptool: Risingwave
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

crate / crate · #17833 · May 1, 2025 · Java · 3,863 stars

2 comments1 reaction0 assignees
Open
Remove JUnit4 dependency from Flink
good first issueimprovement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

apache / iceberg · #12937 · Apr 30, 2025 · Java · 5,146 stars

21 comments1 reaction0 assignees
Open
Organizations are not present in JSON realm export
area/organizationshelp wantedkind/enhancementteam/core-iam
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available

keycloak / keycloak · #39334 · Apr 29, 2025 · Java · 34,398 stars

4 comments2 reactions0 assignees
Open
Missing default .netrc location
P3help wantedteam-Remote-Exectype: bug
Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

bazelbuild / bazel · #25930 · Apr 23, 2025 · Java · 25,384 stars

0 comments0 reactions0 assignees
Open
【2025 开源之夏】欢迎学生参与Arthas项目~
disscusshelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelRepository active this monthContributing guide available

alibaba / arthas · #3012 · Apr 17, 2025 · Java · 37,492 stars

2 comments0 reactions0 assignees