Question

I’m using gwt with maven plugin. My web.xml looks like this:

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
          http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5" xmlns="http://java.sun.com/xml/ns/javaee">

<!-- Servlets -->
<servlet>
    <servlet-name>queryServiceImpl</servlet-name>
    <servlet-class>com.vo.search.server.QueryServiceImpl</servlet-class>
</servlet>

<servlet-mapping>
    <servlet-name>queryServiceImpl</servlet-name>
    <url-pattern>/admin/queryService</url-pattern>
</servlet-mapping>

<!-- Default page to serve -->
<welcome-file-list>
    <welcome-file>Admin.html</welcome-file>
</welcome-file-list>
</web-app>

And my module Admin.gwt.xml looks like this :

<module rename-to='admin'>
<!-- Inherit the core Web Toolkit stuff. -->
<inherits name="com.google.gwt.core.Core" />
<inherits name='com.google.gwt.user.User' />
<inherits name="com.google.gwt.i18n.I18N" />
<inherits name="com.google.gwt.i18n.CldrLocales" />
<inherits name="com.google.gwt.user.theme.clean.CleanResources" />

<!-- Enable debug ID. -->
<inherits name="com.google.gwt.user.Debug" />
<set-property name="gwt.enableDebugId" value="true" />

<!-- We need the JUnit module in the main module, -->
<!-- otherwise eclipse complains (Google plugin bug?) -->
<!-- <inherits name='com.google.gwt.junit.JUnit' /> -->

<!-- Inherit the default GWT style sheet. You can change -->
<!-- the theme of your GWT application by uncommenting -->
<!-- any one of the following lines. -->
<inherits name='com.google.gwt.user.theme.clean.Clean' />
<!-- <inherits name='com.google.gwt.user.theme.standard.Standard'/> -->
<!-- <inherits name='com.google.gwt.user.theme.chrome.Chrome'/> -->
<!-- <inherits name='com.google.gwt.user.theme.dark.Dark'/> -->

<!-- Other module inherits -->

<!-- Specify the app entry point class. -->
<entry-point class='com.vo.search.client.Admin' />

<!-- Specify the app entry point class. -->

<!-- Specify the paths for translatable code -->
<source path='client' />
<source path='shared' />


</module>

Finally, my pom.xml looks like this:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

<!-- POM file generated with GWT webAppCreator -->
<modelVersion>4.0.0</modelVersion>
<groupId>com.vo.search</groupId>
<artifactId>search-admin</artifactId>
<packaging>war</packaging>
<version>1.0</version>
<name>Admin</name>

<properties>
    <!-- Convenience property to set the GWT version -->
    <gwtVersion>2.5.0-rc1</gwtVersion>
    <!-- GWT needs at least java 1.5 -->
    <webappDirectory>${project.build.directory}/${project.build.finalName}</webappDirectory>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>

<dependencies>
    <dependency>
        <groupId>com.google.gwt</groupId>
        <artifactId>gwt-servlet</artifactId>
        <version>${gwtVersion}</version>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>com.google.gwt</groupId>
        <artifactId>gwt-user</artifactId>
        <version>${gwtVersion}</version>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.7</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>javax.validation</groupId>
        <artifactId>validation-api</artifactId>
        <version>1.0.0.GA</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>javax.validation</groupId>
        <artifactId>validation-api</artifactId>
        <version>1.0.0.GA</version>
        <classifier>sources</classifier>
        <scope>test</scope>
    </dependency>
</dependencies>

<build>
    <!-- Generate compiled stuff in the folder used for developing mode -->
    <outputDirectory>${webappDirectory}/WEB-INF/classes</outputDirectory>

    <plugins>

        <!-- GWT Maven Plugin -->
        <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>gwt-maven-plugin</artifactId>
            <version>2.5.0-rc1</version>
            <executions>
                <execution>
                    <goals>
                        <goal>compile</goal>
                        <goal>test</goal>
                        <goal>i18n</goal>
                        <goal>generateAsync</goal>
                    </goals>
                </execution>
            </executions>
            <!-- Plugin configuration. There are many available options, see gwt-maven-plugin 
                documentation at codehaus.org -->
            <configuration>
                <runTarget>Admin.html</runTarget>
                <hostedWebapp>${webappDirectory}</hostedWebapp>
                <i18nMessagesBundle>com.vo.search.client.Messages</i18nMessagesBundle>
            </configuration>
        </plugin>

        <!-- Copy static web files before executing gwt:run -->
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-war-plugin</artifactId>
            <version>2.1.1</version>
            <executions>
                <execution>
                    <phase>compile</phase>
                    <goals>
                        <goal>exploded</goal>
                    </goals>
                </execution>
            </executions>
            <configuration>
                <webappDirectory>${webappDirectory}    </webappDirectory>
            </configuration>
        </plugin>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>2.3.2</version>
            <configuration>
                <source>1.5</source>
                <target>1.5</target>
            </configuration>
        </plugin>
    </plugins>
</build>
</project>

Building and running the project works fine. When trying to access the page I see in the console :

[WARN] Aliased resource: file:/C:/workspaces/search/admin-mvn/search-admin/src/main/webapp/admin/admin.nocache.js==file:/C:/workspaces/search/admin-mvn/search-admin/src/main/webapp/Admin/Admin.nocache.js
[WARN] Aliased resource: file:/C:/workspaces/search/admin-mvn/search-admin/src/main/webapp/admin/admin.nocache.js==file:/C:/workspaces/search/admin-mvn/search-admin/src/main/webapp/Admin/Admin.nocache.js
[WARN] 404 - GET /admin/admin.nocache.js (127.0.0.1) 1408 bytes
   Request headers
      Host: 127.0.0.1:8888
      Connection: keep-alive
      User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.4 (KHTML, like     Gecko) Chrome/22.0.1229.39 Safari/537.4
      Accept: */*
      Referer: http://127.0.0.1:8888/Admin.html?gwt.codesvr=127.0.0.1:9997
      Accept-Encoding: gzip,deflate,sdch
      Accept-Language: en-US,en;q=0.8
      Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.3
   Response headers
      Content-Type: text/html; charset=iso-8859-1
      Content-Length: 1408

I think the problem is that it looks for file admin.nocache.js in admin dir but the generated dir is actually Admin even though my rename-to attribute is admin in the module configuration file. Changing the rename-to attribute to match didn’t help.

Here’s my project organization created by gwt-maven-plugin archetype:

Answer 1

Please check your Admin.html. I think admin.nocache.js should be:

<script type="text/javascript" language="javascript" src="../admin/admin.nocache.js"></script>

Your file
... search-admin/src/main/webapp/Admin/Admin.nocache.js

Should be here:
... search-admin/src/main/Admin/Admin.nocache.js