在productionMode中，VAADIN找不到主题 [英] VAADIN cannot find themes when in productionMode

问题描述

我在src / main / webapp / VAADIN / themes / mytheme /我的VAADIN应用程序中有自定义主题，文件为mytheme.scss和styles.scss。
当weba中的vaadin productionMode部署参数设置为false时，一切正常。当我将参数设置为true时，突然Vaadin无法找到我主题的资源并继续抱怨：

I have custom theme for my VAADIN application in src/main/webapp/VAADIN/themes/mytheme/ with files mytheme.scss and styles.scss. Everything works fine when the vaadin productionMode deployment parameter is set to false in web.xml. When I set the parameter to true, suddenly Vaadin cannot find the resources for my theme and keeps complaining with:

Requested resource [/VAADIN/themes/mytheme/styles.css] not found from filesystem or through class loader. Add widgetset and/or theme JAR to your classpath or add files to WebContent/VAADIN folder

我没有一个/ WebContent目录，但/ webapp，因为它是一个maven web-app项目。
我尝试将VAADIN文件夹放到：

src / main / resources

src / main / webapp

src / main / webapp / WEB-INF

I dont have a /WebContent directory but /webapp instead, since its a maven web-app project. I tried putting the VAADIN folder to:
src/main/resources
src/main/webapp
src/main/webapp/WEB-INF

但生产模式无效。有什么药物吗？
提前感谢您的帮助。

but nothing works for the production mode. Any suggenstions? Thank you in advance for help.

推荐答案

您需要在pom.xml中添加以下目标，将.scss文件编译为.css文件：

You need to add following goal to your pom.xml, which will compile the .scss files to .css files:

<plugin>
    <groupId>org.codehaus.mojo</groupId>
    <artifactId>exec-maven-plugin</artifactId>
    <version>1.2.1</version>
    <executions>
        <execution>
            <phase>generate-sources</phase>
            <goals>
                <goal>java</goal>
            </goals>
            <configuration>
                <classpathScope>compile</classpathScope>
                <mainClass>com.vaadin.sass.SassCompiler</mainClass>
                <arguments>
                    <argument>src/main/webapp/VAADIN/themes/heijunka/styles.scss</argument>
                    <argument>src/main/webapp/VAADIN/themes/heijunka/styles.css</argument>
                </arguments>
            </configuration>
        </execution>
    </executions>
</plugin>

资料来源： http://dev.vaadin.com/ticket/10291

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