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kotlin関数の前にprintlnステートメントを入れるとクラッシュします。スタックトレース：Kotlin未解決の参照：CLIのgradleからのprintln
[email protected]:~/NetBeansProjects/kotlin$
[email protected]:~/NetBeansProjects/kotlin$ gradle clean build --stacktrace
w: Classpath entry points to a non-existent location:
e: /home/thufir/NetBeansProjects/kotlin/src/main/kotlin/example.kt: (14, 5): Unresolved reference: println
> Task :compileKotlin
Using Kotlin incremental compilation
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':compileKotlin'.
> Compilation error. See log for more details
* Try:
Run with --info or --debug option to get more log output.
* Exception is:
org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':compileKotlin'.
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:100)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:70)
at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:62)
at org.gradle.api.internal.tasks.execution.ResolveTaskOutputCachingStateExecuter.execute(ResolveTaskOutputCachingStateExecuter.java:54)
at org.gradle.api.internal.tasks.execution.ResolveBuildCacheKeyExecuter.execute(ResolveBuildCacheKeyExecuter.java:61)
at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)
at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:97)
at org.gradle.api.internal.tasks.execution.CleanupStaleOutputsExecuter.execute(CleanupStaleOutputsExecuter.java:87)
at org.gradle.api.internal.tasks.execution.ResolveTaskArtifactStateTaskExecuter.execute(ResolveTaskArtifactStateTaskExecuter.java:52)
at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)
at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:54)
at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)
at org.gradle.api.internal.tasks.execution.CatchExceptionTaskExecuter.execute(CatchExceptionTaskExecuter.java:34)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker$1.run(DefaultTaskGraphExecuter.java:248)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:241)
at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:230)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.processTask(DefaultTaskPlanExecutor.java:123)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.access$200(DefaultTaskPlanExecutor.java:79)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:104)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker$1.execute(DefaultTaskPlanExecutor.java:98)
at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.execute(DefaultTaskExecutionPlan.java:625)
at org.gradle.execution.taskgraph.DefaultTaskExecutionPlan.executeWithTask(DefaultTaskExecutionPlan.java:580)
at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor$TaskExecutorWorker.run(DefaultTaskPlanExecutor.java:98)
at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63)
at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46)
at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55)
Caused by: org.gradle.api.GradleException: Compilation error. See log for more details
at org.jetbrains.kotlin.gradle.tasks.TasksUtilsKt.throwGradleExceptionIfError(tasksUtils.kt:8)
at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.processCompilerExitCode(Tasks.kt:359)
at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.callCompiler$kotlin_gradle_plugin(Tasks.kt:333)
at org.jetbrains.kotlin.gradle.tasks.KotlinCompile.callCompiler$kotlin_gradle_plugin(Tasks.kt:231)
at org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompile.execute(Tasks.kt:203)
at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:73)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$IncrementalTaskAction.doExecute(DefaultTaskClassInfoStore.java:179)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskClassInfoStore.java:135)
at org.gradle.api.internal.project.taskfactory.DefaultTaskClassInfoStore$StandardTaskAction.execute(DefaultTaskClassInfoStore.java:122)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter$1.run(ExecuteActionsTaskExecuter.java:121)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:336)
at org.gradle.internal.progress.DefaultBuildOperationExecutor$RunnableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:328)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:199)
at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(DefaultBuildOperationExecutor.java:110)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:110)
at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:92)
... 29 more
* Get more help at https://help.gradle.org
BUILD FAILED in 0s
2 actionable tasks: 2 executed
[email protected]:~/NetBeansProjects/kotlin$
問題のある行を取り出す、成功した出力：
[email protected]:~/NetBeansProjects/kotlin$
[email protected]:~/NetBeansProjects/kotlin$ gradle clean runShadow
w: Classpath entry points to a non-existent location:
> Task :compileKotlin
Using Kotlin incremental compilation
> Task :shadowJar
The SimpleWorkResult type has been deprecated and is scheduled to be removed in Gradle 5.0. Please use WorkResults.didWork() instead.
> Task :runShadow
Nov 04, 2017 8:42:47 PM net.bounceme.dur.kotlin.App run
INFO: running
Nov 04, 2017 8:42:47 PM net.bounceme.dur.kotlin.App run
INFO: integer is 2
Nov 04, 2017 8:42:47 PM net.bounceme.dur.kotlin.App run
INFO: integer is 4
BUILD SUCCESSFUL in 1s
7 actionable tasks: 7 executed
[email protected]:~/NetBeansProjects/kotlin$
のjava：
package net.bounceme.dur.kotlin;
import java.util.logging.Logger;
public class App {
private static final Logger LOG = Logger.getLogger(App.class.getName());
private void run() {
LOG.info("running");
int integer = 2;
LOG.info("integer is\t\t" + integer);
new demo.Foo();
demo.ExampleKt.bar();
integer = demo.ExampleKt.doubleUp(integer);
LOG.info("integer is\t\t" + integer);
}
public static void main(String[] args) {
new App().run();
}
}
kotlin：
package demo;
class Foo
val PI = 3.14
var x = 0
fun bar() {
x += 1
}
fun doubleUp(value: Int): Int {
return value * 2
}
ビルドファイル：
plugins {
id 'com.gradle.build-scan' version '1.8'
// id 'java'
id 'application'
id "org.jetbrains.kotlin.jvm" version "1.1.51"
id 'com.github.johnrengelman.shadow' version '2.0.1'
}
buildScan {
licenseAgreementUrl = 'https://gradle.com/terms-of-service'
licenseAgree = 'yes'
//publishAlways()
}
configurations {
provided
}
shadowJar {
baseName = 'kotlinAdder'
classifier = null
version = null
}
sourceCompatibility = 1.8
targetCompatibility = 1.8
mainClassName = 'net.bounceme.dur.kotlin.App'
repositories {
jcenter()
}
configurations {
provided
}
dependencies {
}
環境：
[email protected]:~/NetBeansProjects/kotlin$
[email protected]:~/NetBeansProjects/kotlin$ kotlin -version
Kotlin version 1.1.51 (JRE 1.8.0_151-b12)
[email protected]:~/NetBeansProjects/kotlin$
[email protected]:~/NetBeansProjects/kotlin$ kotlinc -version
info: kotlinc-jvm 1.1.51 (JRE 1.8.0_151-b12)
[email protected]:~/NetBeansProjects/kotlin$
[email protected]:~/NetBeansProjects/kotlin$ java -version
java version "1.8.0_151"
Java(TM) SE Runtime Environment (build 1.8.0_151-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.151-b12, mixed mode)
[email protected]:~/NetBeansProjects/kotlin$
[email protected]:~/NetBeansProjects/kotlin$ javac -version
javac 1.8.0_151
[email protected]:~/NetBeansProjects/kotlin$
プロジェクト：
.
├── build.gradle
├── gradle
│ └── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── settings.gradle
└── src
├── main
│ ├── java
│ │ └── net
│ │ └── bounceme
│ │ └── dur
│ │ └── kotlin
│ │ └── App.java
│ └── kotlin
│ └── example.kt
└── test
└── java
12 directories, 8 files
ことが可能と同じくらい簡単です、JavaはKotlinを呼び出します。どのように他の方法を単純化できるかわからないこれはversion問題ですか？
私はnetbeansを使っていますが、gradleは純粋にCLIから実行されています。私はNBファイルを削除することもできますそれは有用であると証明する必要があります..
おそらく私はコンソールに印刷していませんcorrectly。