Spring Boot + GWT嵌入式配置 [英] Spring Boot + GWT embedded configuraiton

问题描述

我想配置Spring Boot嵌入式Servlet容器+ GWT。我想要的方式是创建一个jar / war文件，它只包含编译后的gwt文件&静态资源。我想从lib / *和classpath的配置文件中加载jar。

我找不到任何工作示例。实际上有一个， https://github.com/Ekito/spring-boot-gwt ，但所有依赖和配置仍然处于战争状态。

有人可以提出一个解决方案吗？

解决方案经过漫长的搜索&测试，这里是我提出的解决方案：

```

 <！ -  POM  - > 
< modelVersion> 4.0.0< / modelVersion> 
< groupId> fr.ekito.gwt< / groupId> 
< artifactId> gwt-boot< / artifactId> 
< version> 0.0.1-SNAPSHOT< / version> 
<包装> jar< / packaging> 
< name> Ekito Spring Boot GWT WebApp< / name> 
 
< parent> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-starter-parent< / artifactId> 
< version> 1.2.5.RELEASE< / version> 
< / parent> 
 
<属性> 
< project.build.sourceEncoding> UTF-8< /project.build.sourceEncoding> 
< project.reporting.outputEncoding> UTF-8< /project.reporting.outputEncoding> 
< start-class> fr.ekito.gwt.server.ServerApplication< / start-class> 
< java.version> 1.7< /java.version> 
 
 < googleGin> 2.1.2< / googleGin> 
< outputFolder> $ {project.build.directory} / $ {artifactId}< / outputFolder> 
< / properties> 
 
<依赖关系> 
< dependency> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-starter-web< / artifactId> 
<排除项> 
<排除> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-starter-tomcat< / artifactId> 
< /排除> 
< /排除> 
< /依赖关系> 
< dependency> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-starter-undertow< / artifactId> 
<排除项> 
<排除> 
< groupId> io.undertow< / groupId> 
< artifactId> undertow-websockets-jsr< / artifactId> 
< /排除> 
< /排除> 
< /依赖关系> 
 
< dependency> 
< groupId> org.hibernate< / groupId> 
< artifactId> hibernate-validator< / artifactId> 
< /依赖关系> 
 
< dependency> 
< groupId> com.google.gwt< / groupId> 
< artifactId> gwt-user< / artifactId> 
< version> $ {gwtVersion}< / version> 
< /依赖关系> 
< dependency> 
< groupId> com.google.gwt.inject< / groupId> 
< artifactId> gin< / artifactId> 
<版本> $ {googleGin}< / version> 
< /依赖关系> 
< /依赖关系> 
 
 
< build> 
< plugins> 
< plugin> 
< groupId> org.springframework.boot< / groupId> 
< artifactId> spring-boot-maven-plugin< / artifactId> 
<配置> 
< mainClass> $ {start-class}< / mainClass> 
< layout> ZIP< / layout> 
< / configuration> 
< / plugin> 
< plugin> 
< groupId> org.codehaus.mojo< / groupId> 
< artifactId> gwt-maven-plugin< / artifactId> 
< version> $ {gwtVersion}< / version> 
<执行次数> 
<执行> 
<目标> 
< goal>编译< / goal> 
< /目标> 
< /执行> 
< /执行次数> 
<配置> 
< runTarget> GwtWebApp.html< / runTarget> 
< persistentunitcachedir> $ {project.build.directory}< / persistentunitcachedir> 
< deploy> $ {project.build.directory} / gwt-deploy< / deploy> 
< webappDirectory> $ {project.build.directory} / classes / public< / webappDirectory> 
< / configuration> 
< / plugin> 
< / plugins> 
< / build> 
  

```

我的项目结构与原始项目相同， https://github.com/Ekito/spring-boot-gwt ，除了一些小的变化：

• 而不是 webapp 我有 src / main / resources / public 文件夹，而html& css文件存在。


• 不需要web.xml文件，spring-boot照顾它。


• 不需要WEB-INF文件夹。
  

因此，我有一个可运行jar，但是由org.springframework.boot.loader.PropertiesLauncher运行。单个罐子按预期工作，Tomcat不像这里所说的那样工作： http://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-developing-web-applications.html# boot-features-jsp-restrictions 。

另外，我可以将lib文件夹移动到jar文件的外部，但我为了设置 loader.path 属性，我需要把它放到jar文件里面的application.properties中。我应该可以使用-Dloader.path但无效。

我会和春季队一起检查。但到目前为止，这是有希望的。

I want to configure Spring Boot Embedded Servlet Container + GWT. The way I want is either create a jar/war file that just contains the compiled gwt files & static resources. I want to load jars from lib/* and config files from classpath.

I couldn't find any working example. There is one actually, https://github.com/Ekito/spring-boot-gwt, but all the dependencies and configs are still in the war.

Can someone suggest a solution ?

解决方案

After long search & test, here is the solution that I come up with:

```

<!-- POM -->
<modelVersion>4.0.0</modelVersion>
<groupId>fr.ekito.gwt</groupId>
<artifactId>gwt-boot</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>Ekito Spring Boot GWT WebApp</name>

<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.2.5.RELEASE</version>
</parent>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <start-class>fr.ekito.gwt.server.ServerApplication</start-class>
    <java.version>1.7</java.version>

    <gwtVersion>2.6.0</gwtVersion>
    <googleGin>2.1.2</googleGin>
    <outputFolder>${project.build.directory}/${artifactId}</outputFolder>
</properties>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
        <exclusions>
            <exclusion>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-tomcat</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-undertow</artifactId>
        <exclusions>
            <exclusion>
                <groupId>io.undertow</groupId>
                <artifactId>undertow-websockets-jsr</artifactId>
            </exclusion>
        </exclusions>
    </dependency>

    <dependency>
        <groupId>org.hibernate</groupId>
        <artifactId>hibernate-validator</artifactId>
    </dependency>

    <dependency>
        <groupId>com.google.gwt</groupId>
        <artifactId>gwt-user</artifactId>
        <version>${gwtVersion}</version>
    </dependency>
    <dependency>
        <groupId>com.google.gwt.inject</groupId>
        <artifactId>gin</artifactId>
        <version>${googleGin}</version>
    </dependency>
</dependencies>


<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <configuration>
                <mainClass>${start-class}</mainClass>
                <layout>ZIP</layout>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>gwt-maven-plugin</artifactId>
            <version>${gwtVersion}</version>
            <executions>
                <execution>
                    <goals>
                        <goal>compile</goal>
                    </goals>
                </execution>
            </executions>
            <configuration>
                <runTarget>GwtWebApp.html</runTarget>
                <persistentunitcachedir>${project.build.directory}</persistentunitcachedir>
                <deploy>${project.build.directory}/gwt-deploy</deploy>
                <webappDirectory>${project.build.directory}/classes/public</webappDirectory>
            </configuration>
        </plugin>
    </plugins>
</build>

```

my project structure is is same with original project, https://github.com/Ekito/spring-boot-gwt, except some little changes:

• Instead of webapp folder, I have src/main/resources/public folder, and html & css file is there.
• No need for web.xml file, spring-boot take care of it.
• No need for WEB-INF folder.

As a result, I have a runable jar, but run by org.springframework.boot.loader.PropertiesLauncher. Single jar works as expected, Tomcat doesnt work as stated here: http://docs.spring.io/spring-boot/docs/current/reference/html/boot-features-developing-web-applications.html#boot-features-jsp-limitations.

Also, I can move the lib folder outside the jar file, but I in order to set the loader.path property, I need to put it to application.properties inside the jar file. I should be able to use -Dloader.path but didn't work.

I'll check with spring team. But so far, it's promising.

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