Contributing Search
All the projects below have beginner-friendly issues which are great places to start contributing
247 results
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playframework/playframework
Play Framework
- #11965 - Document request/result attributes
- #11948 - Play mapping returns empty string instead of key for RepeatedMappings type
- #11937 - proposal: Add new HttpEntity implementation for HTTP HEAD method
- #11919 - Netty System Properties: JDK 17 plus
- #11852 - Can't use Java 17 with 2.9-M6 milestone if application is using ehcache
- #11814 - WS Streams loads the response in memory instead of streaming
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twitter/finagle
A fault tolerant, protocol-agnostic RPC system
- #956 - Methodbuilder retry budget gets double deposit
- #955 - com.twitter.finagle.Http not work
- #953 - How to use the partitioning strategy with the http client?
- #952 - Cors Filter does an add to the HeaderMap instead of set
- #950 - Homepage broken image
- #946 - How do you calculate your retry budget?
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akka/akka
Build highly concurrent, distributed, and resilient message-driven applications on the JVM
- #32128 - failed: SupervisorSpec
- #32126 - Additional cleanup after dropping Scala 2.12
- #32105 - failed: LineNumberSpec (jdk 17)
- #32101 - CommandHandlerWithReplyBuilder "state" is null error even if using forNullState
- #32098 - Failed: ClusterSingletonManagerSpec
- #32096 - failed: LeaderDowningAllOtherNodes
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typelevel/cats
Lightweight, modular, and extensible library for functional programming.
- #4514 - Unusual EqLaws definition
- #4499 - Scala 3: No given instance of type cats.Applicative[[_] =>> Any] was found for parameter F of method apply in class PurePartiallyApplied
- #4493 - Type-classes for Prepend (Cons) and Append (Snoc) operations
- #4488 - Fix documentation (or design) of Free Monad
- #4481 - add `sizeIs` method like std-lib to `cats.Reducible` and/or NonEmpty collections
- #4449 - Expose FunctionK.liftFunction as a part of the Scala 3 API
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linkerd/linkerd
Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x.
- #2451 - Namerd version admin port
- #2446 - serverSession: idleTimeMs times out while there is activity
- #2442 - We are running Namerd & Consul cluster in our environment ,getting below error frequently and that break application communication
- #2411 - Linkerd sporadically stops watching remote addresses in Namerd with thrift interpreter
- #2403 - pull-destination-proto.sh should use a pinned version
- #2401 - Linkerd doesn't work with .NET Core Grpc Service
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sbt/sbt
sbt, the interactive build tool
- #7385 - sbt's java process is using an unexpectedly large amount of memory and CPU when idle
- #7384 - `run` task does not support `JEP 445: Unnamed Classes and Instance Main Methods`
- #7380 - sbt --client leads to java.nio.channels.ClosedChannelException exception in shutdown hook
- #7377 - When sbt loading global plugins, the openjdk platform binary stops working
- #7375 - NumberFormatException: For input string: "1B
- #7373 - Facing error while migrating sbt based scala app from 1.3.13 to 1.9.0
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zio/zio
ZIO — A type-safe, composable library for async and concurrent programming in Scala
- #8439 - Failing method on case class causes test failure without runner detecting it
- #8389 - Test assertion diff not working in Scala 3
- #8362 - Variadic assertTrue doesn't report which assertion failed
- #8331 - Stay Focused on The Currently Selected Page
- #8298 - Add ZStream.readFile support for ScalaNative
- #8297 - Add ZStream.readFile support for ScalaJS
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microsoft/synapseml
Simple and Distributed Machine Learning
- #2080 - Bring your own Spark model
- #2064 - [BUG] Using `subscriptionKeyCol` argument results in SparkException [FAILED_EXECUTE_UDF]
- #2063 - [Question] What is glibc requirement for lightgbm in SynapseML ?
- #2055 - [BUG] Unable to install synapse ml on AWS Glue to use LightGBM library
- #2053 - Load and save the lightGBM classifier not producing the same results
- #2051 - [BUG] LightGBM consistently crashes when trained with categorical features
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twitter/scalding
A Scala API for Cascading
- #2001 - my account is closed
- #1998 - duplicate tags in pom files
- #1997 - incompatibility with recent java8 runtime environments due to hadoop
- #1988 - [Proposal] Support more sinks/sources in scalding-spark
- #1979 - Beam backend is missing some pipes
- #1971 - flake on optimization test
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slick/slick
Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala
- #2827 - Codegen - Invalid Defaults in Case Classes and Table-Definitions
- #2811 - Flaky tests for Pekko Connectors Slick connector started occurring only with Slick 3.5.0-M4 on Scala 3
- #2809 - slick-hikaricp 3.4.1 depends on SLF4J 2.x
- #2807 - Slick Codegen Unusable for Partitioned Tables
- #2784 - MySQLProfile has a significant change in UpsertBuilder logic between 3.3.3 and 3.4.1
- #2761 - `getOrElse` type inference issue in Scala 3
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delta-io/delta
An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs
- #2100 - [BUG][Spark]Partitioning columns convert empty string to NULL
- #2097 - No 3.0.0rc1 for Scala 2.13 published to Maven Central
- #2095 - [BUG] ClassCastException when reading Delta table on AWS S3
- #2092 - [Feature Request][Spark] Optimize Min/Max using Delta metadata
- #2089 - [Kernel] Remove the `tableRoot` from columnar batch returned by `Scan.getScanFiles` API
- #2088 - [BUG][Standalone] Snapshot created from last checkpoint even if checkpointing is disabled
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http4s/http4s
A minimal, idiomatic Scala interface for HTTP
- #7262 - `EntityLimiter` with Multipart Error
- #7256 - `DecodeSpec` flake
- #7249 - No Content responses can have content-length but no body
- #7237 - Pretty-print an org.http4s.Request `asCurl` with body
- #7236 - Origin parsing fails when there are multiple hosts without a port number
- #7206 - Disallow underscores in hostnames
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twitter/util
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typelevel/fs2
Compositional, streaming I/O library for Scala
- #3311 - parEvalMap messes up unmasking of cancellation
- #3294 - Update copyright for 2023
- #3260 - Reactive-streams interop is uncancelable
- #3246 - `fs2.io.readOutputStream` doesn't preserve errors from `cats.data.EitherT`
- #3202 - `interruptWhen` and friends shouldn't cancel downstream processing
- #3199 - parEvalMap deadlocks when Stream's `F` has extra error channels
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twitter/algebird
Abstract Algebra for Scala
- #1127 - `MinHasher32` tests are flaky
- #1122 - SketchMap is not commutative
- #1109 - Release v.0.13.10
- #1099 - Scala 3 support?
- #959 - SparseVector monoid flake
- #856 - Investigate flaky `com.twitter.algebird.CollectionSpecification` test
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salesforce/transmogrifai
TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, strongly typed machine learning workflows on Apache Spark with minimal hand-tuning
- #559 - The effect of random seeds on results ?
- #557 - Make RecordInsightsLOCO perform reasonable calculation on numeric features and fix the name to reflect actual calculation.
- #556 - Changing imputation for nulls in DateToUnitCircleTransformer
- #543 - Failed to run titanic example, got java.lang.AbstractMethodError
- #539 - Normalize special characters in string
- #535 - UV Computation
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zio/zio-quill
Compile-time Language Integrated Queries for Scala
- #2843 - "Found more then one type of Query" Warning
- #2816 - Broken reference to Contributing guideline
- #2815 - The Link to contributing guid is not working
- #2739 - Enhancement: support JSON operations for SQLite
- #2738 - Problem with Aliasing columns with with sql keywords
- #2737 - Compilation time issue when having a lot of requests in a project
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twitter/summingbird
Streaming MapReduce with Scalding and Storm
- #773 - Use more container than chain
- #760 - Summingbird batch doesn't work with the latest Scalding develop
- #749 - storm platform sometimes makes nodes with only merges
- #746 - summingbird does not preserve equality on Producers
- #743 - optionMap not being fused with flatMap in storm
- #741 - Remove `ArbitraryWorkaround` class when scala check release will be out
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twitter/finatra
Fast, testable, Scala services built on TwitterServer and Finagle
- #587 - How to achieve graceful server shutdown for environments that rely on healthcheck to mark nodes unhealthy
- #584 - MDC and Log4J2 do not get along very well
- #583 - Restricting/removing admin routes
- #582 - expose JsonStreamParser
- #576 - Tests of examples/http-server failing
- #569 - bad link in readme.md 404
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typelevel/scalacheck
Property-based testing for Scala
- #993 - Add edge cases to Gen.choose[BigInt]
- #970 - Feature request: automatically persist failure cases and prioritise their reproduction in the following test runs.
- #969 - Feature request: lazy labels
- #968 - Shrinking goes into semi-infinite recursion
- #907 - Gen of Associative Functions
- #801 - Shrink should put its smallest guesses first
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