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.
Slice signals
- Average annotated difficulty: 2.5/5 across 5,028 issues.
- 75% of 5,028 time estimates are one day or less.
Closed
[OID4VCI] c_nonce Replay
area/oid4vchelp wantedkind/bugpriority/normalstatus/auto-bumpteam/core-protocols
Has a beginner-friendly labelContributing guide available
3 comments1 reaction1 assignee
Closed
Relax Client ID validation for the Signed JWT - Federated (Kubernetes Service Accounts)
area/oidchelp wantedkind/bugpriority/normalstatus/auto-bumpteam/core-protocols
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
4 comments3 reactions0 assignees
Open
[Bug] [Worker] File parameter transfer feature is broken
bughelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
7 comments0 reactions0 assignees
Open
Write an OpenRewrite rule to migrate to Rhino 2.0
good first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly label
2 comments0 reactions0 assignees
Open
[Feature]: Support outputSchema for MCP tools
area/core/toolenhancementhelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments0 reactions0 assignees
Open
[Umbrella][Feature][Connector] Support New Connectors — Claim & Tracking
First-time contributorgood first issuehelp wanted
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly label
10 comments0 reactions0 assignees
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
13 comments0 reactions1 assignee
Open
CORS Header missing when accessing /account endpoint with an expired session
area/account/apihelp 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
1 comment3 reactions0 assignees
Open
Core: Stream DV Puffin rewrite in RewriteTablePathUtil to reduce memory pressure
coregood first issueimprovement
Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
2 comments0 reactions1 assignee
Closed
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Closed
User LDAP Filter is applied to Group lookups in `getFilterById()`, causing Group Members tab to return empty results
area/ldaphelp wantedkind/bugpriority/normalstatus/auto-bumpstatus/auto-expireteam/core-iam
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments1 reaction0 assignees
Open
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
Docs: Clarify Spark branch write precedence over WAP branch
docsgood first issueimprovement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
5 comments0 reactions0 assignees
Open
Why recommendedHas a beginner-friendly label
Has a beginner-friendly label
3 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
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
1 comment2 reactions0 assignees
Open
Question: Is the fix in #3644 effective in version 2025.1.0.0?
area/nacosgood first issuehelp wantedkind/bug
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly label
3 comments0 reactions0 assignees
Closed
Admin API returns 500 error when updating many SCOPE_MAPPINGs at once
area/admin/apihelp wantedkind/bugpriority/normalstatus/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
2 comments1 reaction0 assignees
Open
Return execution metrics while running the `OPTIMIZE` command in Delta Lake
delta-lakegood first issue
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
3 comments1 reaction0 assignees
Open
[feature request] Add scheduled refresh for storage credentials held by ADLSFileIO
good first issueimprovement
Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees