编译错误 - 包不存在 - Java [英] Compilation error - package does not exist - Java
问题描述
我有以下文件结构:
root-folder
--.idea
--folder1-java-console-application (module 1)
----src
------main/java/my/package/App.java
----pom.xml
--folder2-play-framework-2-ui (module 2)
----app
------controllers
--------Application.java
Application.java 取决于 my.package.App.java 即可。所以,我这样导入这个包:
Application.java depends on my.package.App.java. So, I import this package like this:
Application.java:
import my.package.App;
public class Application extends Controller {
public static Result index() {
return ok(index.render("Your new application is ready."));
}
}
此外我已添加 模块1 在模块2 。
现在,当我启动Play-server时,我没有任何错误。但是,当我打开URL http:// localhost:9000 /
时,我收到错误:编译错误 - 包my.package.App不存在。
Now, when I start Play-server, I have no any errors. But, when I open URL http://localhost:9000/
, I get the error: Compilation error - package my.package.App does not exist.
我感到困惑。我可以编译我的代码,但在运行时遇到麻烦。我在生命中第一次尝试玩框架。所以,我可能不知道有关这方面的一些信息。
I get confused. I can compile my code, but I get trouble in runtime. I try play framework in first time in my life. So, probably I don't know some information about this.
完整启动项目命令(来自IDEA)是:
The full start project command (from IDEA) is:
"C:\Program Files\Java\jdk1.8.0_11\bin\java" -Dfile.encoding=UTF8 -Djline.terminal=none -Dsbt.log.noformat=true -Dsbt.global.base=C:\Users\Mike\AppData\Local\Temp\sbt-global-plugin3stub -Xms512M -Xmx1024M -Xss1M -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256M -classpath C:\Users\Mike\.IntelliJIdea14\config\plugins\Scala\launcher\sbt-launch.jar xsbt.boot.Boot run
推荐答案
(a)检查您的Play应用程序是否无依赖性;
(a) check your Play application works without dependencies;
(b)检查你的Play应用程序在类路径中是否有模块#1,启动时 - 参见play framework 依赖关系管理;
(b) check your Play application has module #1 in class path, when started - see play framework dependencies management;
(c)build modu le#1 with maven(maven guides + google将帮助);
(c) build module #1 with maven (maven guides + google will help);
(d)检查你的模块#1 jar包含my / package / App.class文件。
(d) check your module #1 jar contains my/package/App.class file.
这篇关于编译错误 - 包不存在 - Java的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!