[英]Can't find Main when executing a Java class from Gradle
I've been attempting to run a java main from Gradle however Gradle keeps giving me the error 我一直在尝试从Gradle运行Java Main,但是Gradle不断给我错误
Execution failed for task ':myTask' 任务':myTask'的执行失败
No main class specified 未指定主要班级
I've attached the code below 我已附上以下代码
sourceSets {
main {
java {
srcDirs 'src/myPackage/downloadupdater'
srcDirs 'src/myPackage/downloadupdater/util'
srcDirs 'src/myPackage/downloadupdater/dao'
}
// output.classesDir = "/bin"
}
}
task myTask(dependsOn : compileJava, type : JavaExec){
group = "Custom"
description = "Acquires the weekly stats"
doLast{
classpath = sourceSets.main.output.classesDir
main = "myPackage.SomeClass"
args "-w"
}
}
The java class I'm calling is: 我正在调用的Java类是:
package myPackage
public class SomeClass{
private static DownloadUpdater updater;
public static void main (String [] args) {
updater = new DownloadUpdater();
updater.whichStatistics(args[0]);
updater.setCalendar();
updater.secureWorkbook();
updater.getStatistics();
}
}
After building, my directories come up with a build-classes-java-main-myPackage but gradle still can't find the main class. 构建之后,我的目录带有一个build-classes-java-main-myPackage,但是gradle仍然找不到主类。
Either move java source files to src/main/java instead of just src. 要么将Java源文件移动到src / main / java而不是src。 Or set 或设置
sourceSet properly
sourceSets.main.java.srcDirs = ['src']
and use 和使用
task execute(type:JavaExec) {
main = "myPackage.SomeClass"
classpath = sourceSets.main.runtimeClasspath
}
for more refer : Gradle to execute Java class (without modifying build.gradle) 有关更多信息,请参见: Gradle执行Java类(无需修改build.gradle)
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