chore: Drop JDK 8 (#461)

.github/workflows/build-test.yml

@@ -31,10 +31,10 @@ jobs:
       - name: Cache Coursier cache
         uses: coursier/[email protected]
 
-      - name: Set up JDK 8
+      - name: Set up JDK 11
         uses: coursier/[email protected]
         with:
-          jvm: temurin:1.8.0
+          jvm: temurin:1.11.0
 
       - name: Code style check, compilation and binary-compatibility check
         run: |-

.github/workflows/nightly.yml

@@ -18,7 +18,6 @@ jobs:
       matrix:
         include:
           # cover relevant combinations when combined with the matrix Yugabyte tests
-          # { scalaVersion: "2.13", jdkVersion: "1.8.0",  jvmName: "temurin:1.8.0", extraOpts: '', testCmd: "test"}
           # { scalaVersion: "2.13", jdkVersion: "1.11.0", jvmName: "temurin:1.11.0", extraOpts: '-J-XX:+UnlockExperimentalVMOptions -J-XX:+UseJVMCICompiler', testCmd: "test"}
           - { scalaVersion: "2.13", jdkVersion: "1.17.0", jvmName: "temurin:1.17.0", extraOpts: '', testCmd: "test"}
           - { scalaVersion: "3.3",  jdkVersion: "1.17.0", jvmName: "temurin:1.17.0", extraOpts: '', testCmd: "core/test"}
@@ -71,7 +70,6 @@ jobs:
       matrix:
         include:
           # cover relevant combinations when combined with the matrix Postgres tests
-          - { scalaVersion: "2.13", jdkVersion: "1.8.0",  jvmName: "temurin:1.8.0", extraOpts: '', testCmd: "test" }
           - { scalaVersion: "2.13", jdkVersion: "1.11.0", jvmName: "temurin:1.11.0", extraOpts: '-J-XX:+UnlockExperimentalVMOptions -J-XX:+UseJVMCICompiler', testCmd: "test" }
           # { scalaVersion: "2.13", jdkVersion: "1.17.0", jvmName: "temurin:1.17.0", extraOpts: '', testCmd: "test" }
           - { scalaVersion: "3.3",  jdkVersion: "1.17.0", jvmName: "temurin:1.17.0", extraOpts: '', testCmd: "core/test"}

.github/workflows/publish.yml

@@ -24,10 +24,10 @@ jobs:
       - name: Cache Coursier cache
         uses: coursier/[email protected]
 
-      - name: Set up JDK 8
+      - name: Set up JDK 11
         uses: coursier/[email protected]
         with:
-          jvm: adopt:1.8.0-275
+          jvm: temurin:1.11.0.17
 
       - name: Publish
         run: |-

build.sbt

@@ -43,7 +43,8 @@ def common: Seq[Setting[_]] =
     scalafmtOnCompile := true,
     sonatypeProfileName := "com.lightbend",
     // Setting javac options in common allows IntelliJ IDEA to import them automatically
-    Compile / javacOptions ++= Seq("-encoding", "UTF-8", "-source", "1.8", "-target", "1.8"),
+    Compile / javacOptions ++= Seq("-encoding", "UTF-8", "--release", "11"),
+    Compile / scalacOptions ++= Seq("-release", "11"),
     headerLicense := Some(
       HeaderLicense.Custom("""Copyright (C) 2022 - 2023 Lightbend Inc. <https://www.lightbend.com>""")),
     Test / logBuffered := false,
@@ -161,3 +162,10 @@ lazy val docs = project
     resolvers += Resolver.jcenterRepo,
     publishRsyncArtifacts += makeSite.value -> "www/",
     publishRsyncHost := "[email protected]")
+
+val isJdk11orHigher: Boolean = {
+  val result = VersionNumber(sys.props("java.specification.version")).matchesSemVer(SemanticSelector(">=11"))
+  if (!result)
+    throw new IllegalArgumentException("JDK 11 or higher is required")
+  result
+}

project/project-info.conf

@@ -1,7 +1,7 @@
 project-info {
   version: "current"
   shared-info {
-    jdk-versions: ["OpenJDK 8", "OpenJDK 11", "OpenJDK 17"]
+    jdk-versions: ["Eclipse Temurin JDK 11", "Eclipse Temurin JDK 17"]
     issues: {
       url: "https://github.com/akka/akka-persistence-r2dbc/issues"
       text: "Github issues"