Play Framework Scala Hello-World fail on Ubuntu 20

user_3680466 0
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The basic Play Framework sample (play-scala-hello-world-tutorial) fails on Ubuntu 20 with OpenAdopt JDK but works fine on Macos. Is there something arry with my Linux setup?

Per https://www.playframework.com/getting-started) I...

> git clone https://github.com/playframework/play-samples.git
> cd play-samples/play-scala-hello-world-tutorial
> sbt run  
    [info] welcome to sbt 1.4.3 (AdoptOpenJDK Java 16)
    [info] loading global plugins from /home/gp/.sbt/1.0/plugins
    [info] loading settings for project play-scala-hello-world-tutorial-build from plugins.sbt,scaffold.sbt ...
    [info] loading project definition from /home/.../play-samples/play-scala-hello-world-tutorial/project
    [warn] There may be incompatibilities among your library dependencies; run 'evicted' to see detailed eviction warnings.
    [info] loading settings for project root from build.sbt ...
    [info] set current project to play-scala-hello-world-tutorial (in build file:/home/.../play-samples/play-scala-hello-world-tutorial/)

--- (Running the application, auto-reloading is enabled) ---

[info] p.c.s.AkkaHttpServer - Listening for HTTP on /[0:0:0:0:0:0:0:0]:9000

(Server started, use Enter to stop and go back to the console...)

curl localhost:9000

results in this:

play.api.UnexpectedException: Unexpected exception[UncheckedExecutionException: java.lang.IllegalStateException: Unable to load cache item]
    at play.core.server.DevServerStart$$anon$1.reload(DevServerStart.scala:254)
    at play.core.server.DevServerStart$$anon$1.get(DevServerStart.scala:148)
    at play.core.server.AkkaHttpServer.handleRequest(AkkaHttpServer.scala:302)
    at play.core.server.AkkaHttpServer.$anonfun$createServerBinding$1(AkkaHttpServer.scala:224)
    at akka.stream.impl.fusing.MapAsync$$anon$30.onPush(Ops.scala:1297)
    at akka.stream.impl.fusing.GraphInterpreter.processPush(GraphInterpreter.scala:541)
    at akka.stream.impl.fusing.GraphInterpreter.processEvent(GraphInterpreter.scala:495)
    at akka.stream.impl.fusing.GraphInterpreter.execute(GraphInterpreter.scala:390)
    at akka.stream.impl.fusing.GraphInterpreterShell.runBatch(ActorGraphInterpreter.scala:625)
    at akka.stream.impl.fusing.GraphInterpreterShell$AsyncInput.execute(ActorGraphInterpreter.scala:502)
Caused by: com.google.common.util.concurrent.UncheckedExecutionException: java.lang.IllegalStateException: Unable to load cache item
    at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2051)
    at com.google.common.cache.LocalCache.get(LocalCache.java:3951)
    at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3974)
    at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4958)
    at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4964)
    at com.google.inject.internal.FailableCache.get(FailableCache.java:54)
    at com.google.inject.internal.ConstructorInjectorStore.get(ConstructorInjectorStore.java:49)
    at com.google.inject.internal.ConstructorBindingImpl.initialize(ConstructorBindingImpl.java:155)
    at com.google.inject.internal.InjectorImpl.initializeBinding(InjectorImpl.java:592)
    at com.google.inject.internal.AbstractBindingProcessor$Processor.initializeBinding(AbstractBindingProcessor.java:173)
Caused by: java.lang.IllegalStateException: Unable to load cache item
    at com.google.inject.internal.cglib.core.internal.$LoadingCache.createEntry(LoadingCache.java:79)
    at com.google.inject.internal.cglib.core.internal.$LoadingCache.get(LoadingCache.java:34)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator$ClassLoaderData.get(AbstractClassGenerator.java:119)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator.create(AbstractClassGenerator.java:294)
    at com.google.inject.internal.cglib.reflect.$FastClass$Generator.create(FastClass.java:65)
    at com.google.inject.internal.BytecodeGen.newFastClassForMember(BytecodeGen.java:258)
    at com.google.inject.internal.BytecodeGen.newFastClassForMember(BytecodeGen.java:207)
    at com.google.inject.internal.DefaultConstructionProxyFactory.create(DefaultConstructionProxyFactory.java:49)
    at com.google.inject.internal.ProxyFactory.create(ProxyFactory.java:156)
    at com.google.inject.internal.ConstructorInjectorStore.createConstructor(ConstructorInjectorStore.java:94)
Caused by: java.lang.ExceptionInInitializerError: null
    at com.google.inject.internal.cglib.core.$DuplicatesPredicate.evaluate(DuplicatesPredicate.java:104)
    at com.google.inject.internal.cglib.core.$CollectionUtils.filter(CollectionUtils.java:52)
    at com.google.inject.internal.cglib.reflect.$FastClassEmitter.<init>(FastClassEmitter.java:69)
    at com.google.inject.internal.cglib.reflect.$FastClass$Generator.generateClass(FastClass.java:77)
    at com.google.inject.internal.cglib.core.$DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator.generate(AbstractClassGenerator.java:332)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:96)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:94)
    at com.google.inject.internal.cglib.core.internal.$LoadingCache$2.call(LoadingCache.java:54)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
Caused by: com.google.inject.internal.cglib.core.$CodeGenerationException: java.lang.reflect.InaccessibleObjectException-->Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @5f574e3d
    at com.google.inject.internal.cglib.core.$ReflectUtils.defineClass(ReflectUtils.java:464)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator.generate(AbstractClassGenerator.java:339)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:96)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator$ClassLoaderData$3.apply(AbstractClassGenerator.java:94)
    at com.google.inject.internal.cglib.core.internal.$LoadingCache$2.call(LoadingCache.java:54)
    at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
    at com.google.inject.internal.cglib.core.internal.$LoadingCache.createEntry(LoadingCache.java:61)
    at com.google.inject.internal.cglib.core.internal.$LoadingCache.get(LoadingCache.java:34)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator$ClassLoaderData.get(AbstractClassGenerator.java:119)
    at com.google.inject.internal.cglib.core.$AbstractClassGenerator.create(AbstractClassGenerator.java:294)
Caused by: java.lang.reflect.InaccessibleObjectException: Unable to make protected final java.lang.Class java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain) throws java.lang.ClassFormatError accessible: module java.base does not "opens java.lang" to unnamed module @5f574e3d
    at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:357)
    at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:297)
    at java.base/java.lang.reflect.Method.checkCanSetAccessible(Method.java:199)
    at java.base/java.lang.reflect.Method.setAccessible(Method.java:193)
    at com.google.inject.internal.cglib.core.$ReflectUtils$1.run(ReflectUtils.java:61)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:554)
    at com.google.inject.internal.cglib.core.$ReflectUtils.<clinit>(ReflectUtils.java:52)
    at com.google.inject.internal.cglib.reflect.$FastClassEmitter.<init>(FastClassEmitter.java:67)
    at com.google.inject.internal.cglib.reflect.$FastClass$Generator.generateClass(FastClass.java:77)
    at com.google.inject.internal.cglib.core.$DefaultGeneratorStrategy.generate(DefaultGeneratorStrategy.java:25)


>java -version  
openjdk version "16" 2021-03-16
OpenJDK Runtime Environment AdoptOpenJDK (build 16+36)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 16+36, mixed mode, sharing)
    
> sbt sbtVersion
[info] welcome to sbt 1.3.13 (AdoptOpenJDK Java 16)
[info] loading global plugins from /home/../.sbt/1.0/plugins
[info] loading settings for project play-scala-hello-world-tutorial-build from scaffold.sbt,plugins.sbt ...
[info] loading project definition from /home/.../play-samples/play-scala-hello-world-tutorial/project
[warn] There may be incompatibilities among your library dependencies; run 'evicted' to see detailed eviction warnings.
[info] loading settings for project root from build.sbt ...
[info] set current project to play-scala-hello-world-tutorial (in build file:/home/.../play-samples/play-scala-hello-world-tutorial/)
[info] 1.3.13

project/build.properties:

# sbt.version=1.3.13
sbt.version=1.4.3
playframework scala
3 Answers

I was having the same issue with JDK-11

Trying with Java8 solved the issue.

user_125137700

For me is the opposite of @ProofJS's solution. On Windows 10, JDK8 would not work (it would not compile - sbt compile). JDK 11 worked without problems. JDK 17 did compile, but would not run - sbt run.

welcome to sbt 1.3.13 (Oracle Corporation Java 11.0.12)

In IntelliJ, in the context menu for the project (right click) -> Open Module Settings -> Project -> SDK 11.0.12.

build.properties (file):

sbt.version=1.3.13

plugins.sbt (file):

addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.8.11")

build.sbt (file):

lazy val root = (project in file("."))
  .enablePlugins(PlayScala)
  .settings(
    name := """play-scala-forms-example""",
    version := "2.8.x",
    scalaVersion := "2.13.7",
    libraryDependencies ++= Seq(
      guice,
      "org.scalatestplus.play" %% "scalatestplus-play" % "5.1.0" % Test,
    ),
    scalacOptions ++= Seq(
      "-feature",
      "-deprecation",
      "-Xfatal-warnings"
    )
  )

System Env: JAVA_HOME & Path set to JDK-11/bin

user_44183800

Play 2.8.16 is dependent on google Guice version 4.2.3, which only support jdk 14, to make this run with java 17, you need to add the following code snippet into your build.sbt

dependencyOverrides ++= Seq(
  "com.google.inject" % "guice" % "5.1.0",
  "com.google.inject.extensions" % "guice-assistedinject" % "5.1.0")

Here are few links you can have a look :-

  1. https://github.com/google/guice/wiki/Guice423
  2. https://github.com/google/guice/wiki/Guice510
  3. https://github.com/playframework/playframework/releases/2.8.15

Adding the above snippet code would make it able to run with 17.

user_141046930
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