Contributing Search
All the projects below have beginner-friendly issues which are great places to start contributing
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lightbend/kalix-jvm-sdk
Java and Scala SDKs for Kalix
- #2261 - Release Kalix Java/Scala SDKs v1.5.6
- #2238 - JSON serialization includes unknownFields for protobuf messages
- #2218 - Docs: view from topic with wrong example
- #2216 - Provide way to override max-joins limit in integration tests
- #2183 - Docs: improve how metadata are enabled
- #2168 - chore: consider to start ESE spans in the runtime
Contributing Guide Code of Conduct -
colofabrix/figlet4s
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tupol/spark-utils
Basic framework utilities to quickly start writing production ready Apache Spark applications
- #36 - Add support for Trigger.AvailableNow
- #32 - Extract SparkApp, SparkFun to a separate module
- #23 - Potential security vulnerability in the zstd C library.
- #7 - Exceptions vs `Try[T]`
- #6 - Application Configuration File Name
Contributing Guide Code of Conduct -
playframework/play-grpc
Play + Pekko gRPC
- #322 - Deprecate AkkaGrpcClientHelpers
- #317 - Duplicate ClassicActorSystemProvider binding when using with Play 2.8.3
- #303 - Add BuildInfo so the Akka gRPC version becomes available for specifying dependencies
- #50 - Use Silencer
- #34 - Improve port detection on testkit
- #17 - Avoid double protoc compilation
Contributing Guide Code of Conduct -
apache/pekko-grpc
Apache Pekko gRPC
- #419 - ErrorReportingSpec: fails to tear down actorsystem with `Boxed InterruptedException`
- #417 - Feature request: Add basic client side load balancing for gRPC
- #411 - review licenses for pekko-grpc-codegen and bat files (published to maven central)
- #395 - run link validator on schedule instead of per PR, and exclude license-report.html
- #380 - add test that excludes generating source for google protos
- #379 - reproducible builds: pekko-grpc-scalapb-protoc-plugin-assembly
Contributing Guide Code of Conduct -
etsy/sbt-checkstyle-plugin
SBT Plugin for Running Checkstyle on Java Sources
- #37 - Adding Google checks to the configuration
- #36 - Upgrade SBT version to 1.6.x
- #35 - Java 17 support: Security Manager is deprecated
- #34 - json style report
- #32 - Checkstyle randomly exits when working on multiple projects
- #31 - Upgrade checkstyle version
Contributing Guide Code of Conduct -
rallyhealth/sbt-git-versioning
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sbt/sbt-findbugs
FindBugs static analysis plugin for sbt.
- #27 - Travis CI dropped
- #26 - README devoid of clear working examples
- #25 - Can't generate HTML output.
- #24 - FindbugsReportType -> FindbugsReport in docs
- #13 - Introduce findbug failOnError property available to ant task.
- #4 - Customise findbugs rules for Scala -- reduce false positives, add scala specific rules
Contributing Guide Code of Conduct -
etspaceman/kinesis4cats
A comprehensive Scala library for Kinesis
- #74 - Producer: Add metrics reporter to match KPL metrics
- #57 - Producer: Aggregate by Predicted Shard
- #17 - Client Consumers
Contributing Guide Code of Conduct -
scala-exercises/exercises-shapeless
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akka/akka-persistence-r2dbc
- #653 - Release 1.3.2
- #637 - Backtracking start timestamp when enabled again
- #629 - failed: EventsBySlicePubSubBacktrackingSpec
- #595 - SourceProvider - eventsFromSQLQuery
- #574 - Failed: EventSourcedChaosSpec (Sql Server)
- #566 - Failed: EventsBySliceSpec Sql Server
Contributing Guide Code of Conduct -
locationtech/rasterframes
Geospatial Raster support for Spark DataFrames
- #628 - Hello,I am doing a research about Active Learning under Spark,When I use idea to process my code,i have the same issue. I am waiting for resolve this problem two days.Can you tell me about the answer?
- #616 - Performance Issue
- #614 - rf write large geotiff(bigtiff) / cog
- #613 - Local map algebra on more than two tiles
- #612 - Converting Cell type from not having 'NoData' defined to it being defined takes a lot of time.
- #609 - Resample SCL_20m to 10m and mask B03_10m
Contributing Guide Code of Conduct -
apache/incubator-wayang
Apache Wayang(incubating) is the first cross-platform data processing system.
- #498 - Update zio http to a released version
- #495 - wayang jars should have META-INF LICENSE and NOTICE
- #494 - add 2025 to Apache copyright on Wayang website
- #493 - NOTICE file does not need to paste in the Apache license
- #482 - Move JavaCSVTableSource operator from sql-api to the Java platform
- #477 - Http connection in JavaTextFileSource inside an exception
Contributing Guide Code of Conduct -
lagom/sbt-lagom-descriptor-generator
Lagom API code generator
- #25 - Parameterize Api naming
- #24 - Parameterize output package name
- #23 - Generate PathParamSerializers for enum in javadsl
- #21 - Support multiple Lagom versions
- #20 - Fix build - Support Seq[T] on LagomScala descriptor code generator
- #16 - Support additional properties of incoming messages
Contributing Guide Code of Conduct -
eff3ct0/criteria4s
Criteria4s is a simple DSL to define criteria and predicate expressions for any data stores by using Scala type class mechanisms in a type-safe
- #21 - Add Elasticsearch expression interpreter
- #20 - Add PostgreSQL expression interpreter
- #19 - LIMIT and OFFSET criteria expressions
- #18 - Add Spark SQL expression interpreter
- #17 - Upgrade of criteria4s examples
- #14 - Add Mongo expression interpreter
Contributing Guide Code of Conduct -
apache/pekko-management
Apache Pekko Management is a suite of tools for operating Pekko Clusters.
- #303 - PIP: support Eureka discovery
- #243 - com.orbitz.consul:consul-client is not maintained
- #224 - move link validator to nightly/weekly job
- #216 - KubernetesApiSpec flaky
- #209 - HttpContactPointBootstrap always dead after probing timeout
- #196 - minikube/docker
Contributing Guide Code of Conduct -
apache/pekko-connectors-kafka
Apache Pekko Kafka Connector - Pekko-Connectors is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Apache Pekko.
- #249 - Apache Pekko based Streaming application is idle and not consuming from kafka topic post rebalancing
- #248 - Pekko-based Application Pods Idle at Startup, Not Consuming Kafka Messages Due to Consumer Group Creation Behavior
- #242 - change build so that we link to versioned docs
- #232 - flaky test: testcontainer didn't start within 60s
- #204 - `StopFromStage` not delivered
- #151 - Migrate documentation to new API
Contributing Guide Code of Conduct -
sbt/sbt-paradox-material-theme
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agoda-com/kafka-jdbc-connector
Simple way to copy data from relational databases into kafka.
- #24 - Add named parameters to PostgreSQL
- #6 - Support Kafka 0.9.0.1
- #5 - Support for Oracle SQL
- #4 - Support for PostgreSQL
- #1 - Connector stops working when database connection is closed
Contributing Guide Code of Conduct