cloudevents/sdk-java

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Java SDK for CloudEvents

Stars: 446
Forks: 172
Open beginner issues: 0
Indexed issues: 55

Dominant language: Java
License: Apache-2.0
Last GitHub push: Jul 16, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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55 open issues indexed

Supported Features are not up to date Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cloudevents/sdk-java#731 · 1 reaction · Opened May 15, 2026
[Vulnerability] jackson-core to version 2.18.6 Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

cloudevents/sdk-java#711 · 1 comment · Opened Mar 23, 2026
Is there a new release/support planned post version 4.0.1? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

cloudevents/sdk-java#710 · 1 comment · 3 reactions · Opened Feb 11, 2026
Timestamp parsing does not fully support RFC 3339 Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

cloudevents/sdk-java#709 · Opened Jan 23, 2026
A Generic Class for Extensions Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cloudevents/sdk-java#708 · Opened Jan 20, 2026
Make ProtoSerializer accessible Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

cloudevents/sdk-java#706 · Opened Jan 19, 2026
CloudEvents incompatiable with Spring-framework 7.x Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

cloudevents/sdk-java#704 · 4 comments · 10 reactions · Opened Dec 15, 2025
Support for Jackson 3.x Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

cloudevents/sdk-java#703 · 3 comments · 21 reactions · Opened Nov 25, 2025
cloudevents-xml is not part of the BOM Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

cloudevents/sdk-java#701 · 2 comments · 1 reaction · Opened Oct 16, 2025
JSON serialization - extensions of types OffsetDateTime and bytes[] deserialized as Strings Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

cloudevents/sdk-java#699 · 1 comment · Opened Jul 3, 2025
Avro compact deserializer bug - ID set to type Open

bug

Difficulty 1/5 1-3 hours Newbie friendliness 88/100

cloudevents/sdk-java#697 · 3 comments · Opened Jun 23, 2025
Upgrade to Spring Boot `2.7.18` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cloudevents/sdk-java#692 · 1 comment · 4 reactions · Opened May 19, 2025
Spring CloudEventMessageConverter produce a null pointer exception if initial message header map is null Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

cloudevents/sdk-java#689 · 2 comments · Opened Apr 2, 2025
Spring CloudEventMessageConverter content-type header name Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

cloudevents/sdk-java#680 · Opened Nov 4, 2024
Unable to serialize complex (custom) extension in the expected json format Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

cloudevents/sdk-java#667 · 7 comments · Opened Sep 13, 2024
Polymorphic JSON deserialization with Jackson Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cloudevents/sdk-java#666 · 1 comment · 2 reactions · Opened Sep 9, 2024
v4.0.1 git tag included commit for 4.0.2-SNAPSHOT Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cloudevents/sdk-java#661 · Opened Jul 22, 2024
JsonFormat doesn't accept valid datacontentypes Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

cloudevents/sdk-java#660 · 2 comments · Opened Jul 11, 2024
CloudEventHttpMessageConverter can't convert List<CloudEvent> Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cloudevents/sdk-java#659 · 2 comments · Opened Jul 10, 2024
Contribution question for wrapper for RabbitmQ and Redis Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

cloudevents/sdk-java#610 · 8 comments · 2 reactions · Opened Mar 20, 2024
Add support for spring-amqp Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

cloudevents/sdk-java#605 · 1 comment · 1 reaction · Opened Feb 10, 2024
Running into exception while using cloudevent values in kafka streams Open

needs-user-input

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cloudevents/sdk-java#597 · 1 comment · Opened Oct 10, 2023
Enhancement: generalise the validation in wrapper library Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cloudevents/sdk-java#598 · 4 comments · Opened Oct 10, 2023
How to transport List<CloudEvent> between Springboot services by openfeign？ Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cloudevents/sdk-java#596 · Opened Oct 7, 2023
can't setup `cloudevents.serializer.event_format` in quarkus Open

needs-user-input

Difficulty 3/5 1-2 days Newbie friendliness 35/100

cloudevents/sdk-java#595 · 3 comments · Opened Oct 5, 2023
Custom validation for context attributes in wrapper library Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cloudevents/sdk-java#592 · 1 comment · Opened Sep 27, 2023
Add benchmarks to CloudEvents SQL Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 38/100

cloudevents/sdk-java#585 · 1 comment · Opened Jul 26, 2023
BaseCloudEvent.getExtensionNames() breaks cloud event encapsulation Open

enhancement help wanted

cloudevents/sdk-java#581 · 2 comments · 1 assignee · Opened Jun 30, 2023
An occasional problem：Unable to load implementation class JsonFormat Open

needs-user-input

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cloudevents/sdk-java#570 · 1 comment · Opened May 17, 2023
Optimize BaseCloudEvent#readExtensions method Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

cloudevents/sdk-java#560 · Opened Apr 29, 2023
Optimize SpecVersion attribute name Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

cloudevents/sdk-java#558 · Opened Apr 29, 2023
Incorrect SQL module in BOM Open

bug help wanted

Difficulty 1/5 Under an hour Newbie friendliness 55/100

cloudevents/sdk-java#556 · Opened Apr 27, 2023
Support full Java Module descriptors Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

cloudevents/sdk-java#555 · 7 comments · Opened Apr 27, 2023
[Discuss]SDK supports batching protobuf format Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

cloudevents/sdk-java#542 · 5 comments · Opened Mar 31, 2023
Share rationale behind explicit `throws RuntimeException` clause Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

cloudevents/sdk-java#541 · 1 comment · Opened Mar 29, 2023
Bug: Deserialization of event without data produces null. Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

cloudevents/sdk-java#540 · 5 comments · Opened Mar 23, 2023
[restful-ws] Allow configuring default writer encoding for CloudEventsProvider Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

cloudevents/sdk-java#533 · 4 comments · Opened Mar 3, 2023
Validation error due to specVersion instead of specversion in the event payload Open

needs-user-input

Difficulty 3/5 1-2 days Newbie friendliness 35/100

cloudevents/sdk-java#487 · 2 comments · Opened Nov 1, 2022
Extension of Quarkus example with structured content mode Open

documentation enhancement

cloudevents/sdk-java#465 · 17 comments · 1 assignee · Opened Jul 14, 2022
Any plan to support Ktor? Open

needs-user-input

Difficulty 5/5 Over a week Newbie friendliness 20/100

cloudevents/sdk-java#452 · 2 comments · Opened Mar 24, 2022
Micronaut module Open

discussion enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

cloudevents/sdk-java#442 · 3 comments · Opened Jan 17, 2022
Support JSON Batch Format Open

enhancement help wanted

Difficulty 4/5 3-5 days Newbie friendliness 30/100

cloudevents/sdk-java#427 · 1 comment · Opened Dec 6, 2021
Structured Content Mode Not Working with Kafka CloudEventDeserializer Open

needs-user-input

Difficulty 3/5 1-2 days Newbie friendliness 35/100

cloudevents/sdk-java#422 · 4 comments · Opened Oct 28, 2021
Why do sometimes headers start with "ce-" and sometimes with "ce_"? Open

question

Difficulty 3/5 1-2 days Newbie friendliness 30/100

cloudevents/sdk-java#416 · 2 comments · Opened Aug 31, 2021
NATS Java client for NATS sender, publisher, receiver and also for NATS JetStream integration Open

enhancement help wanted

Difficulty 5/5 Over a week Newbie friendliness 25/100

cloudevents/sdk-java#413 · 6 comments · Opened Aug 19, 2021
JMS support Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

cloudevents/sdk-java#412 · Opened Aug 11, 2021
Add spring-boot module with autoconfigurations Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

cloudevents/sdk-java#408 · 2 comments · Opened Jul 17, 2021
Why is the header prefix of the Spring module and the Kafka module inconsistent Open

bug

cloudevents/sdk-java#359 · 9 comments · 1 assignee · Opened Mar 15, 2021
Jakarta JSON-B Support Open

enhancement help wanted

Difficulty 3/5 1-2 days Newbie friendliness 35/100

cloudevents/sdk-java#340 · 2 comments · Opened Jan 28, 2021
MQTT protocol binding Open

enhancement

cloudevents/sdk-java#335 · 3 comments · 1 assignee · Opened Dec 24, 2020

cloudevents/sdk-java

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