执行目标Maven GWT Mojo时出错

Question

我试图配置我的Eclipse（开普勒），当我执行运行为-

有解决办法吗？谢谢关注。

[ERROR] Failed to execute goal org.codehaus.mojo:gwt-maven-plugin:2.6.0:compile (default) on project ProjectSetup: Command [[
[ERROR] C:\Program Files\Java\jdk1.7.0_51\jre\bin\java -Xmx512m -classpath C:\Dev\ProjectSetup\target\ProjectSetup-0.0.1-SNAPSHOT\WEB-INF\classes;C:\Dev\ProjectSetup\src\main\java;C:\Dev\ProjectSetup\target\generated-sources\gwt;C:\Users\Paulo\.m2\repository\com\google\gwt\gwt-user\2.6.0\gwt-user-2.6.0.jar;C:\Users\Paulo\.m2\repository\org\json\json\20090211\json-20090211.jar;C:\Users\Paulo\.m2\repository\com\github\gwtbootstrap\gwt-bootstrap\2.3.2.0\gwt-bootstrap-2.3.2.0.jar;C:\Users\Paulo\.m2\repository\com\google\gwt\gwt-user\2.6.0\gwt-user-2.6.0.jar;C:\Users\Paulo\.m2\repository\com\google\gwt\gwt-dev\2.6.0\gwt-dev-2.6.0.jar com.google.gwt.dev.Compiler -logLevel INFO -style OBF -war C:\Dev\ProjectSetup\target\ProjectSetup-0.0.1-SNAPSHOT -localWorkers 4 -XfragmentCount -1 -sourceLevel auto -gen C:\Dev\ProjectSetup\target\.generated com.gft.start.projectsetup.ProjectSetup
[ERROR] ]] failed with status 1
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

[编辑]这是我的pom。xml，我需要用GWT和GWTBootstrap配置maveneclipse。再次感谢您的关注和帮助。

    <?xml version="1.0" encoding="UTF-8"?>
<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.gft.start</groupId>
  <artifactId>ProjectSetup</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>GWT Maven Archetype</name>

  <properties>
    <!-- Convenience property to set the GWT version -->
    <gwtVersion>2.6.0</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>
    <!-- Source: http://maven-repository.com/artifact/com.github.gwtbootstrap/gwt-bootstrap/2.3.2.0 -->
    <dependency>
      <groupId>com.github.gwtbootstrap</groupId>
      <artifactId>gwt-bootstrap</artifactId>
      <version>2.3.2.0</version>
    </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>2.6.0</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>ProjectSetup.html</runTarget>
          <hostedWebapp>${webappDirectory}</hostedWebapp>
          <i18nMessagesBundle>com.gft.start.projectsetup.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>

    <!-- As per: http://stackoverflow.com/a/16275036 -->
    <pluginManagement>
        <plugins>
            <!-- This plugin's configuration is used to store Eclipse m2e settings 
                 only. It has no influence on the Maven build itself. -->
            <plugin>
                <groupId>org.eclipse.m2e</groupId>
                <artifactId>lifecycle-mapping</artifactId>
                <version>1.0.0</version>
                <configuration>
                    <lifecycleMappingMetadata>
                        <pluginExecutions>
                            <pluginExecution>
                                <pluginExecutionFilter>
                                    <groupId>org.codehaus.mojo</groupId>
                                    <artifactId>gwt-maven-plugin</artifactId>
                                    <versionRange>[2.6.0,)</versionRange>
                                    <goals><goal>i18n</goal></goals>
                                </pluginExecutionFilter>
                                <action>
                                    <ignore />
                                </action>
                            </pluginExecution>
                            <pluginExecution>
                                <pluginExecutionFilter>
                                    <groupId>org.apache.maven.plugins</groupId>
                                    <artifactId>maven-war-plugin</artifactId>
                                    <versionRange>[2.1.1,)</versionRange>
                                    <goals><goal>exploded</goal></goals>
                                </pluginExecutionFilter>
                                <action>
                                    <ignore></ignore>
                                </action>
                            </pluginExecution>
                        </pluginExecutions>
                    </lifecycleMappingMetadata>
                </configuration>
             </plugin>
            </plugins>
        </pluginManagement>
    </build>
  </project>

Answer 1

尝试匹配您的pom。xml，下面是用于GWT编译的xml。

源或类路径或war目录位置可能存在一些问题。

注意：在下面的配置中替换版本和EntryPointClassName，并将JAVA版本更改为1.7

<build>
    <sourceDirectory>src/main/java</sourceDirectory>
    <testSourceDirectory>src/main/test</testSourceDirectory>
    <resources>
        <resource>
            <directory>src/main/resources</directory>
            <excludes>
                <exclude>**/*.java</exclude>
            </excludes>
        </resource>
    </resources>
    <plugins>
        <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>2.3.2</version>
            <configuration>
                <source>1.6</source>
                <target>1.6</target>
            </configuration>
        </plugin>
        <plugin>
            <!-- http://mojo.codehaus.org/gwt-maven-plugin/compile-mojo.html -->
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>gwt-maven-plugin</artifactId>
            <version>2.5.0</version>
            <executions>
                <execution>
                    <configuration>
                        <extraJvmArgs>-Xmx640M -Xss1024k</extraJvmArgs>
                    </configuration>
                    <goals>
                        <goal>compile</goal>
                        <goal>eclipse</goal>
                    </goals>
                </execution>
            </executions>
            <configuration>
                <optimizationLevel>9</optimizationLevel>
                <style>DETAILED</style>
                <warSourceDirectory>src/main/webapp</warSourceDirectory>
                <modules>
                    <module>com.x.y.z.EntryPointClassName</module>
                </modules>
            </configuration>
        </plugin>
              ....