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Posted to commits@pekko.apache.org by he...@apache.org on 2026/06/16 04:10:05 UTC
(pekko-samples) branch fix/remove-invalid-scala2-compiler-options created (now 479e9ae)
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at 479e9ae build: remove Scala 2-only compiler options from Scala 3 projects
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new 479e9ae build: remove Scala 2-only compiler options from Scala 3 projects
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(pekko-samples) 01/01: build: remove Scala 2-only compiler options from Scala 3 projects
Posted by he...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
He-Pin pushed a commit to branch fix/remove-invalid-scala2-compiler-options
in repository https://gitbox.apache.org/repos/asf/pekko-samples.git
commit 479e9ae259028f3855fdae7de9de95ec937feb61
Author: 虎鸣 <he...@alibaba-inc.com>
AuthorDate: Tue Jun 16 12:09:51 2026 +0800
build: remove Scala 2-only compiler options from Scala 3 projects
Motivation:
All sample projects use Scala 3.3.7 but several still include Scala 2
compiler options (-Xlog-reflective-calls, -Xlint, -Ywarn-unused:imports)
that produce "bad option" warnings or are silently ignored.
Modification:
Remove -Xlog-reflective-calls, -Xlint (without arguments), and
-Ywarn-unused:imports from scalacOptions in 10 sample build.sbt files.
Keep -deprecation, -feature, -unchecked which are valid in both Scala 2 and 3.
Result:
Clean compilation without "bad option" warnings in all affected samples.
---
pekko-sample-cluster-client-grpc-scala/build.sbt | 4 +---
pekko-sample-cluster-docker-compose-java/build.sbt | 3 +--
pekko-sample-cluster-docker-compose-scala/build.sbt | 3 +--
pekko-sample-cluster-java/build.sbt | 2 +-
pekko-sample-cluster-scala/build.sbt | 2 +-
pekko-sample-distributed-data-java/build.sbt | 2 +-
pekko-sample-distributed-data-scala/build.sbt | 2 +-
pekko-sample-kafka-to-sharding-scala/build.sbt | 4 +---
pekko-sample-persistence-scala/build.sbt | 2 +-
pekko-sample-sharding-scala/build.sbt | 2 --
10 files changed, 9 insertions(+), 17 deletions(-)
diff --git a/pekko-sample-cluster-client-grpc-scala/build.sbt b/pekko-sample-cluster-client-grpc-scala/build.sbt
index ac15013..00a5a2b 100644
--- a/pekko-sample-cluster-client-grpc-scala/build.sbt
+++ b/pekko-sample-cluster-client-grpc-scala/build.sbt
@@ -14,9 +14,7 @@ lazy val `pekko-sample-cluster-client-grpc-scala` = project
Compile / scalacOptions ++= Seq(
"-deprecation",
"-feature",
- "-unchecked",
- "-Xlog-reflective-calls",
- "-Xlint"),
+ "-unchecked"),
Compile / javacOptions ++= Seq("-Xlint:unchecked", "-Xlint:deprecation"),
// javaAgents += "org.mortbay.jetty.alpn" % "jetty-alpn-agent" % "2.0.9" % "runtime",
libraryDependencies ++= Seq(
diff --git a/pekko-sample-cluster-docker-compose-java/build.sbt b/pekko-sample-cluster-docker-compose-java/build.sbt
index f8ca074..36bec18 100644
--- a/pekko-sample-cluster-docker-compose-java/build.sbt
+++ b/pekko-sample-cluster-docker-compose-java/build.sbt
@@ -7,8 +7,7 @@ scalaVersion := "3.3.7"
scalacOptions ++= Seq(
"-deprecation",
"-unchecked",
- "-encoding", "UTF-8",
- "-Xlint")
+ "-encoding", "UTF-8")
val pekkoVersion = "1.5.0"
val logbackVersion = "1.3.15"
diff --git a/pekko-sample-cluster-docker-compose-scala/build.sbt b/pekko-sample-cluster-docker-compose-scala/build.sbt
index 79b964d..cf7d7cb 100644
--- a/pekko-sample-cluster-docker-compose-scala/build.sbt
+++ b/pekko-sample-cluster-docker-compose-scala/build.sbt
@@ -8,8 +8,7 @@ scalaVersion := "3.3.7"
scalacOptions ++= Seq(
"-deprecation",
"-unchecked",
- "-encoding", "UTF-8",
- "-Xlint")
+ "-encoding", "UTF-8")
val pekkoVersion = "1.5.0"
val logbackVersion = "1.3.15"
diff --git a/pekko-sample-cluster-java/build.sbt b/pekko-sample-cluster-java/build.sbt
index 55930bf..ab29311 100644
--- a/pekko-sample-cluster-java/build.sbt
+++ b/pekko-sample-cluster-java/build.sbt
@@ -10,7 +10,7 @@ lazy val `pekko-sample-cluster-java` = project
.settings(
organization := "org.apache.pekko",
scalaVersion := "3.3.7",
- Compile / scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked", "-Xlog-reflective-calls", "-Xlint"),
+ Compile / scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked"),
Compile / javacOptions ++= Seq("-parameters", "-Xlint:unchecked", "-Xlint:deprecation"),
run / javaOptions ++= Seq("-Xms128m", "-Xmx1024m", "-Djava.library.path=./target/native"),
libraryDependencies ++= Seq(
diff --git a/pekko-sample-cluster-scala/build.sbt b/pekko-sample-cluster-scala/build.sbt
index 3d9806b..411fb66 100644
--- a/pekko-sample-cluster-scala/build.sbt
+++ b/pekko-sample-cluster-scala/build.sbt
@@ -10,7 +10,7 @@ lazy val `pekko-sample-cluster-scala` = project
.settings(
organization := "org.apache.pekko",
scalaVersion := "3.3.7",
- Compile / scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked", "-Xlog-reflective-calls", "-Xlint"),
+ Compile / scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked"),
Compile / javacOptions ++= Seq("-Xlint:unchecked", "-Xlint:deprecation"),
run / javaOptions ++= Seq("-Xms128m", "-Xmx1024m", "-Djava.library.path=./target/native"),
libraryDependencies ++= Seq(
diff --git a/pekko-sample-distributed-data-java/build.sbt b/pekko-sample-distributed-data-java/build.sbt
index 5bed7ef..8d4f0e3 100644
--- a/pekko-sample-distributed-data-java/build.sbt
+++ b/pekko-sample-distributed-data-java/build.sbt
@@ -11,7 +11,7 @@ val `pekko-sample-distributed-data-java` = project
organization := "org.apache.pekko",
version := "1.0",
scalaVersion := "3.3.7",
- Compile / scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked", "-Xlog-reflective-calls", "-Xlint"),
+ Compile / scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked"),
Compile / javacOptions ++= Seq("-parameters", "-Xlint:unchecked", "-Xlint:deprecation", "-Xdiags:verbose"),
run / javaOptions ++= Seq("-Xms128m", "-Xmx1024m"),
libraryDependencies ++= Seq(
diff --git a/pekko-sample-distributed-data-scala/build.sbt b/pekko-sample-distributed-data-scala/build.sbt
index 4cb3902..59267ef 100644
--- a/pekko-sample-distributed-data-scala/build.sbt
+++ b/pekko-sample-distributed-data-scala/build.sbt
@@ -11,7 +11,7 @@ val `pekko-sample-distributed-data-scala` = project
organization := "org.apache.pekko",
version := "1.0",
scalaVersion := "3.3.7",
- Compile / scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked", "-Xlog-reflective-calls", "-Xlint"),
+ Compile / scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked"),
Compile / javacOptions ++= Seq("-Xlint:unchecked", "-Xlint:deprecation"),
run / javaOptions ++= Seq("-Xms128m", "-Xmx1024m"),
libraryDependencies ++= Seq(
diff --git a/pekko-sample-kafka-to-sharding-scala/build.sbt b/pekko-sample-kafka-to-sharding-scala/build.sbt
index 8b6b57d..4353e02 100644
--- a/pekko-sample-kafka-to-sharding-scala/build.sbt
+++ b/pekko-sample-kafka-to-sharding-scala/build.sbt
@@ -12,9 +12,7 @@ ThisBuild / organization := "org.apache.pekko"
ThisBuild / Compile / scalacOptions ++= Seq(
"-deprecation",
"-feature",
- "-unchecked",
- "-Xlog-reflective-calls",
- "-Xlint")
+ "-unchecked")
ThisBuild / Compile / javacOptions ++= Seq("-Xlint:unchecked", "-Xlint:deprecation")
ThisBuild / Test / testOptions += Tests.Argument("-oDF")
ThisBuild / licenses := Seq(("CC0", url("http://creativecommons.org/publicdomain/zero/1.0")))
diff --git a/pekko-sample-persistence-scala/build.sbt b/pekko-sample-persistence-scala/build.sbt
index 59fc906..6cc8b47 100644
--- a/pekko-sample-persistence-scala/build.sbt
+++ b/pekko-sample-persistence-scala/build.sbt
@@ -13,7 +13,7 @@ libraryDependencies ++= Seq(
"org.apache.pekko" %% "pekko-actor-testkit-typed" % pekkoVersion % Test,
"org.scalatest" %% "scalatest" % "3.2.19" % Test)
-Compile / scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked", "-Xlog-reflective-calls", "-Xlint")
+Compile / scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked")
// show full stack traces and test case durations
Test / testOptions += Tests.Argument("-oDF")
diff --git a/pekko-sample-sharding-scala/build.sbt b/pekko-sample-sharding-scala/build.sbt
index 27aded2..bad8743 100644
--- a/pekko-sample-sharding-scala/build.sbt
+++ b/pekko-sample-sharding-scala/build.sbt
@@ -10,8 +10,6 @@ lazy val commonScalacOptions = Seq(
"-deprecation",
"-feature",
"-unchecked",
- "-Xlint",
- "-Ywarn-unused:imports",
"-encoding", "UTF-8")
lazy val commonJavacOptions = Seq(
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