grails - 在Grails 3中将静态文件呈现为URI

Question

在Grails 2.x中，以下工作:

class UrlMappings {

    static mappings = {
        /**
         * Serving the index.html directly
         */
        "/"(uri: "/ng/app/index.html")
    }
}

假定 index.html目录中有一个 web-app/ng/app/文件。现在，当我们在Grails 2中浏览URL http://localhost:8080时， index.html将自动呈现。

在Grails 3中，我在 index.html中添加了相同的 src/main/webapp/文件，可以像 http://localhost:8080/static/index.html一样正常浏览。

所以，我试图在 UrlMappings.groovy中做同样的事情:

class UrlMappings {

    static mappings = {
        /**
         * Serving the index.html directly
         */
        "/"(uri: "/static/index.html")
    }
}

但这给我错误 {"message":"Internal server error","error":500}:

ERROR org.grails.web.errors.GrailsExceptionResolver - UrlMappingException occurred when processing request: [GET] /
Unable to establish controller name to dispatch for [null]. Dynamic closure invocation returned null. Check your mapping file is correct, when assigning the controller name as a request parameter it cannot be an optional token!. Stacktrace follows:
grails.web.mapping.exceptions.UrlMappingException: Unable to establish controller name to dispatch for [null]. Dynamic closure invocation returned null. Check your mapping file is correct, when assigning the controller name as a request parameter it cannot be an optional token!
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)

我已经使用Grails 3.1.8 Angular配置文件创建了我的应用，后来删除了与Angular相关的东西，例如Grails GSP插件，Asset Pipeline等。

Answer 1

这似乎是Grails 3的未解决问题，预计将在Grails 3.2.0中解决。

https://github.com/grails/grails-core/issues/9908