apache/seatunnel Issues | Good First Issue

Stars: (6,897 stars)
Forks: (1,432 forks)
Indexed issues: (120 indexed issues)
open beginner issues: (96 open beginner issues)
Latest indexed: Jun 8, 2026
Last GitHub push: Jan 8, 2024
License: Apache License 2.0
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Dominant language: Java
PR merge metrics: (Avg merge 13d 21h) (143 merged PRs in 30d)
Beginner labels: help wantedgood first issue

Issues

101 open indexed issues

RSS Atom

Open

[Umbrella][Improve] Migrate Connector/Transform Validation to Declarative OptionRule — Claim & Tracking

good first issuehelp wanted

apache/seatunnel #11,007 opened Jun 4, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

5 comments0 reactions0 assignees

Open

[Bug][CDC][Postgres] Postgres-CDC fails with UnsupportedOperationException: Unsupported type TIMESTAMP_TZ for TIMESTAMP WITH TIME ZONE columns

bughelp wanted

apache/seatunnel #11,005 opened Jun 3, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

MongoDB connector closeCurrentSplit() masks real errors with NullPointerException

bughelp wanted

apache/seatunnel #10,999 opened Jun 3, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

2 comments0 reactions1 assignee

Open

[Bug] [Zeta] Batch job occasionally hangs in RUNNING forever under high-frequency job submission

bughelp wanted

apache/seatunnel #10,997 opened Jun 2, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

5 comments0 reactions0 assignees

Open

The submitted tasks remain in PENDING status

bughelp wanted

apache/seatunnel #10,993 opened Jun 2, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly label

0 comments0 reactions0 assignees

Open

Optimize Sink Connection Creation When Writing Multiple Sharded MySQL Tables to a Single Paimon Table (Stuck on 200+ Sinks)

featurehelp wanted

apache/seatunnel #10,978 opened May 29, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Feature][Zeta] Support resuming a force-stopped streaming job from the latest successful checkpoint

featurehelp wanted

apache/seatunnel #10,926 opened May 20, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

3 comments0 reactions1 assignee

Open

PR-I: Add dedicated knowledge sources

featurehelp wanted

apache/seatunnel #10,921 opened May 19, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Bug] [MySQL CDC] MySQL cdc start by time，TIMESTAMP startup mode cannot recover from checkpoints.

bughelp wanted

apache/seatunnel #10,899 opened May 18, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

6 comments0 reactions0 assignees

Open

[Umbrella][RAG] Define and implement production-grade Knowledge Sync for SeaTunnel

designfeaturehelp wanted

apache/seatunnel #10,889 opened May 15, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

3 comments2 reactions2 assignees

Open

[Feature][Connector-V2][File] Add bitwise reading functionality for file types such as FTP, SFTP, HDFS, and local files

connectors-v2featurefilehelp wantedneeds-info

apache/seatunnel #10,792 opened Apr 20, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Improve][E2E] Make SeaTunnelContainer reusable across test classes to speed up E2E tests

Testhelp wantedimprove

apache/seatunnel #10,784 opened Apr 17, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

2 comments0 reactions1 assignee

Open

[Feature][Connector-V2][PostgreSQL-CDC] Support schema evolution

cdcconnectors-v2ddlfeaturehelp wanted

apache/seatunnel #10,777 opened Apr 16, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

1 comment0 reactions1 assignee

Open

[Feature][CDC][DDL] Support comment-related schema change events for CDC schema evolution

apicdcddldiscussionfeaturehelp wanted

apache/seatunnel #10,776 opened Apr 16, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

5 comments0 reactions0 assignees

Open

[Discuss] Discuss adding VARIANT SqlType for semi-structured data

discussionfeaturehelp wanted

apache/seatunnel #10,774 opened Apr 16, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Discussion][Zeta] Reduce historical job runtime info stored in IMap / StateStore with differentiated retention

Zetadiscussionhelp wantedimprove

apache/seatunnel #10,767 opened Apr 15, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

2 comments1 reaction0 assignees

Open

[Improve][Zeta] Add observability for engine state stores (IMap / StateStore)

Zetahelp wantedimprovemetricsmonitor

apache/seatunnel #10,766 opened Apr 15, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

10 comments1 reaction1 assignee

Open

[Umbrella][Feature][Connector] Support New Connectors — Claim & Tracking

First-time contributorgood first issuehelp wanted

apache/seatunnel #10,753 opened Apr 12, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

10 comments0 reactions0 assignees

Open

[Feature][CDC] Support db2 cdc connector source

help wanted

apache/seatunnel #10,735 opened Apr 9, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

3 comments0 reactions1 assignee

Open

[Feature][Zeta] Implement proper dry-run mode with progressive validation layers

featuregood first issuehelp wanted

apache/seatunnel #10,681 opened Mar 31, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

4 comments2 reactions1 assignee

Stars: (6,897 stars)
Forks: (1,432 forks)
Indexed issues: (120 indexed issues)
open beginner issues: (96 open beginner issues)
Latest indexed: Jun 8, 2026
Last GitHub push: Jan 8, 2024
License: Apache License 2.0
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Dominant language: Java
PR merge metrics: (Avg merge 13d 21h) (143 merged PRs in 30d)
Beginner labels: help wantedgood first issue

Issues

101 open indexed issues

RSS Atom

Open

[Umbrella][Improve] Migrate Connector/Transform Validation to Declarative OptionRule — Claim & Tracking

good first issuehelp wanted

apache/seatunnel #11,007 opened Jun 4, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

5 comments0 reactions0 assignees

Open

[Bug][CDC][Postgres] Postgres-CDC fails with UnsupportedOperationException: Unsupported type TIMESTAMP_TZ for TIMESTAMP WITH TIME ZONE columns

bughelp wanted

apache/seatunnel #11,005 opened Jun 3, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

MongoDB connector closeCurrentSplit() masks real errors with NullPointerException

bughelp wanted

apache/seatunnel #10,999 opened Jun 3, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

2 comments0 reactions1 assignee

Open

[Bug] [Zeta] Batch job occasionally hangs in RUNNING forever under high-frequency job submission

bughelp wanted

apache/seatunnel #10,997 opened Jun 2, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

5 comments0 reactions0 assignees

Open

The submitted tasks remain in PENDING status

bughelp wanted

apache/seatunnel #10,993 opened Jun 2, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly label

0 comments0 reactions0 assignees

Open

Optimize Sink Connection Creation When Writing Multiple Sharded MySQL Tables to a Single Paimon Table (Stuck on 200+ Sinks)

featurehelp wanted

apache/seatunnel #10,978 opened May 29, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Feature][Zeta] Support resuming a force-stopped streaming job from the latest successful checkpoint

featurehelp wanted

apache/seatunnel #10,926 opened May 20, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

3 comments0 reactions1 assignee

Open

PR-I: Add dedicated knowledge sources

featurehelp wanted

apache/seatunnel #10,921 opened May 19, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Bug] [MySQL CDC] MySQL cdc start by time，TIMESTAMP startup mode cannot recover from checkpoints.

bughelp wanted

apache/seatunnel #10,899 opened May 18, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

6 comments0 reactions0 assignees

Open

[Umbrella][RAG] Define and implement production-grade Knowledge Sync for SeaTunnel

designfeaturehelp wanted

apache/seatunnel #10,889 opened May 15, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

3 comments2 reactions2 assignees

Open

[Feature][Connector-V2][File] Add bitwise reading functionality for file types such as FTP, SFTP, HDFS, and local files

connectors-v2featurefilehelp wantedneeds-info

apache/seatunnel #10,792 opened Apr 20, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Improve][E2E] Make SeaTunnelContainer reusable across test classes to speed up E2E tests

Testhelp wantedimprove

apache/seatunnel #10,784 opened Apr 17, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

2 comments0 reactions1 assignee

Open

[Feature][Connector-V2][PostgreSQL-CDC] Support schema evolution

cdcconnectors-v2ddlfeaturehelp wanted

apache/seatunnel #10,777 opened Apr 16, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

1 comment0 reactions1 assignee

Open

[Feature][CDC][DDL] Support comment-related schema change events for CDC schema evolution

apicdcddldiscussionfeaturehelp wanted

apache/seatunnel #10,776 opened Apr 16, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

5 comments0 reactions0 assignees

Open

[Discuss] Discuss adding VARIANT SqlType for semi-structured data

discussionfeaturehelp wanted

apache/seatunnel #10,774 opened Apr 16, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Discussion][Zeta] Reduce historical job runtime info stored in IMap / StateStore with differentiated retention

Zetadiscussionhelp wantedimprove

apache/seatunnel #10,767 opened Apr 15, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

2 comments1 reaction0 assignees

Open

[Improve][Zeta] Add observability for engine state stores (IMap / StateStore)

Zetahelp wantedimprovemetricsmonitor

apache/seatunnel #10,766 opened Apr 15, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

10 comments1 reaction1 assignee

Open

[Umbrella][Feature][Connector] Support New Connectors — Claim & Tracking

First-time contributorgood first issuehelp wanted

apache/seatunnel #10,753 opened Apr 12, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

10 comments0 reactions0 assignees

Open

[Feature][CDC] Support db2 cdc connector source

help wanted

apache/seatunnel #10,735 opened Apr 9, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

3 comments0 reactions1 assignee

Open

[Feature][Zeta] Implement proper dry-run mode with progressive validation layers

featuregood first issuehelp wanted

apache/seatunnel #10,681 opened Mar 31, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

4 comments2 reactions1 assignee

Stars: (6,897 stars)
Forks: (1,432 forks)
Indexed issues: (120 indexed issues)
open beginner issues: (96 open beginner issues)
Latest indexed: Jun 8, 2026
Last GitHub push: Jan 8, 2024
License: Apache License 2.0
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Dominant language: Java
PR merge metrics: (Avg merge 13d 21h) (143 merged PRs in 30d)
Beginner labels: help wantedgood first issue

Issues

101 open indexed issues

RSS Atom

Open

[Umbrella][Improve] Migrate Connector/Transform Validation to Declarative OptionRule — Claim & Tracking

good first issuehelp wanted

apache/seatunnel #11,007 opened Jun 4, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

5 comments0 reactions0 assignees

Open

[Bug][CDC][Postgres] Postgres-CDC fails with UnsupportedOperationException: Unsupported type TIMESTAMP_TZ for TIMESTAMP WITH TIME ZONE columns

bughelp wanted

apache/seatunnel #11,005 opened Jun 3, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

MongoDB connector closeCurrentSplit() masks real errors with NullPointerException

bughelp wanted

apache/seatunnel #10,999 opened Jun 3, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

2 comments0 reactions1 assignee

Open

[Bug] [Zeta] Batch job occasionally hangs in RUNNING forever under high-frequency job submission

bughelp wanted

apache/seatunnel #10,997 opened Jun 2, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

5 comments0 reactions0 assignees

Open

The submitted tasks remain in PENDING status

bughelp wanted

apache/seatunnel #10,993 opened Jun 2, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly label

0 comments0 reactions0 assignees

Open

Optimize Sink Connection Creation When Writing Multiple Sharded MySQL Tables to a Single Paimon Table (Stuck on 200+ Sinks)

featurehelp wanted

apache/seatunnel #10,978 opened May 29, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Feature][Zeta] Support resuming a force-stopped streaming job from the latest successful checkpoint

featurehelp wanted

apache/seatunnel #10,926 opened May 20, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

3 comments0 reactions1 assignee

Open

PR-I: Add dedicated knowledge sources

featurehelp wanted

apache/seatunnel #10,921 opened May 19, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Bug] [MySQL CDC] MySQL cdc start by time，TIMESTAMP startup mode cannot recover from checkpoints.

bughelp wanted

apache/seatunnel #10,899 opened May 18, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

6 comments0 reactions0 assignees

Open

[Umbrella][RAG] Define and implement production-grade Knowledge Sync for SeaTunnel

designfeaturehelp wanted

apache/seatunnel #10,889 opened May 15, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

3 comments2 reactions2 assignees

Open

[Feature][Connector-V2][File] Add bitwise reading functionality for file types such as FTP, SFTP, HDFS, and local files

connectors-v2featurefilehelp wantedneeds-info

apache/seatunnel #10,792 opened Apr 20, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Improve][E2E] Make SeaTunnelContainer reusable across test classes to speed up E2E tests

Testhelp wantedimprove

apache/seatunnel #10,784 opened Apr 17, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

2 comments0 reactions1 assignee

Open

[Feature][Connector-V2][PostgreSQL-CDC] Support schema evolution

cdcconnectors-v2ddlfeaturehelp wanted

apache/seatunnel #10,777 opened Apr 16, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

1 comment0 reactions1 assignee

Open

[Feature][CDC][DDL] Support comment-related schema change events for CDC schema evolution

apicdcddldiscussionfeaturehelp wanted

apache/seatunnel #10,776 opened Apr 16, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

5 comments0 reactions0 assignees

Open

[Discuss] Discuss adding VARIANT SqlType for semi-structured data

discussionfeaturehelp wanted

apache/seatunnel #10,774 opened Apr 16, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

1 comment0 reactions0 assignees

Open

[Discussion][Zeta] Reduce historical job runtime info stored in IMap / StateStore with differentiated retention

Zetadiscussionhelp wantedimprove

apache/seatunnel #10,767 opened Apr 15, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

2 comments1 reaction0 assignees

Open

[Improve][Zeta] Add observability for engine state stores (IMap / StateStore)

Zetahelp wantedimprovemetricsmonitor

apache/seatunnel #10,766 opened Apr 15, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

10 comments1 reaction1 assignee

Open

[Umbrella][Feature][Connector] Support New Connectors — Claim & Tracking

First-time contributorgood first issuehelp wanted

apache/seatunnel #10,753 opened Apr 12, 2026 · Java · 6,897 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly label

10 comments0 reactions0 assignees

Open

[Feature][CDC] Support db2 cdc connector source

help wanted

apache/seatunnel #10,735 opened Apr 9, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

3 comments0 reactions1 assignee

Open

[Feature][Zeta] Implement proper dry-run mode with progressive validation layers

featuregood first issuehelp wanted

apache/seatunnel #10,681 opened Mar 31, 2026 · Java · 6,897 stars

Why recommendedHas a beginner-friendly label

Has a beginner-friendly label

4 comments2 reactions1 assignee

apache/seatunnel

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apache/seatunnel

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apache/seatunnel

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