構建Scala，Maven和Java集成的失敗

我實際上正在爲Jenkins開發一個插件，並且我想將Scala，Java和Maven集成到我的插件中。我開發了Java插件的一部分，我想在Scala中開發其他部分。的事情是，當我整合所有的人（行家，斯卡拉和Java），我從斯卡拉Maven插件此錯誤：構建Scala，Maven和Java集成的失敗

[INFO] artifact org.kohsuke.stapler:stapler: checking for updates from scala 
[INFO] D:\workspace\remote-deployment-new\src\main\java:-1: info: compiling 
[INFO] D:\workspace\remote-deployment-new\target\generated-sources\localizer:-1: info: compiling 
[INFO] Compiling 4 source files to D:\workspace\remote-deployment-new\target\classes at 1352200897840 
[ERROR] D:\workspace\remote-deployment-new\src\main\java\com\ebiznext\plugins\RemoteDeployment.java:33: error: RemoteDep 
loyment is already defined as package RemoteDeployment 
[INFO] public class RemoteDeployment extends Plugin implements Action, ExtensionPoint, Describable<RemoteDeployment> { 
[INFO]   ^
[ERROR] one error found 
[INFO] ------------------------------------------------------------------------ 
[INFO] BUILD FAILURE 
[INFO] ------------------------------------------------------------------------ 
[INFO] Total time: 52.801s 
[INFO] Finished at: Tue Nov 06 12:21:39 CET 2012 
[INFO] Final Memory: 27M/370M 
[INFO] ------------------------------------------------------------------------ 
[ERROR] Failed to execute goal net.alchim31.maven:scala-maven-plugin:3.1.0:compile (default) on project remote-deploymen 
t-new: wrap: org.apache.commons.exec.ExecuteException: Process exited with an error: 1(Exit value: 1) -> [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

我完全理解的錯誤，指出該類RemoteDeployment已經被定義爲一套。這是真的，因爲當爲Jenkins開發插件時，如果我有一個類，例如在包com.ebiznext.plugins中定義的RemoteDeployment，我必須創建一個包src/main/resources。這是詹金斯的慣例，我對此無能爲力。

我該如何解決這個問題？

這裏是我的POM：

<project> 

<parent> 
    <groupId>org.jenkins-ci.plugins</groupId> 
    <artifactId>plugin</artifactId> 
    <version>1.466</version><!-- which version of Jenkins is this plugin built 
     against? --> 
</parent> 
<groupId>com.ebiznext.plugins</groupId> 
<artifactId>remote-deployment-new</artifactId> 
<version>1.0</version> 
<name>Remote Deployment</name> 
<packaging>hpi</packaging> 
    ....   
    <build> 
    <pluginManagement> 
     <plugins> 
      <plugin> 
       <groupId>net.alchim31.maven</groupId> 
       <artifactId>scala-maven-plugin</artifactId> 
       <version>3.1.0</version> 
      </plugin> 
     </plugins> 
    </pluginManagement> 
    <plugins> 
     <plugin> 
      <groupId>net.alchim31.maven</groupId> 
      <artifactId>scala-maven-plugin</artifactId> 
      <version>3.1.0</version> 

      <executions> 
       <execution> 
        <id>compile</id> 
        <goals> 
         <goal>compile</goal> 
        </goals> 
        <phase>compile</phase> 
       </execution> 

       <execution> 
        <id>test-compile</id> 
        <goals> 
         <goal>testCompile</goal> 
        </goals> 
        <phase>test-compile</phase> 
       </execution> 
       <execution> 
        <phase>process-resources</phase> 
        <goals> 
         <goal>compile</goal> 
        </goals> 
       </execution> 
      </executions> 
     </plugin> 
    </plugins> 
</build> 
</project>

來源

2012-11-06 Dimitri

我有同樣的問題。我有一個混合的Java/Scala項目。對於我的測試課程，我有資源中的測試數據，例如對於com.organization.foo.bar.MyTest，數據位於src/test/java/resources/com/organization/foo/bar/MyTest中。一切都很好，直到我將其中一個測試從Java切換到Scala，然後它不會編譯，報告「已經定義爲包」錯誤。它必須是資源名稱和類名稱之間的衝突。 –

我會建議使用net.alchim31.maven：斯卡拉，Maven的插件做你的編譯。然後您可以將參數設置爲編譯器-Yresolve-term-conflict:object。

例如：

<plugin> 
    <groupId>net.alchim31.maven</groupId> 
    <artifactId>scala-maven-plugin</artifactId> 
    <configuration> 
     <recompileMode>incremental</recompileMode> <!-- NOTE: incremental compilation although faster requires passing to MAVEN_OPTS="-XX:MaxPermSize=128m" --> 
     <useZincServer>true</useZincServer>   <!-- NOTE: if you have Zinc server installed and running, you can get faster compilation by enabling this --> 
     <!-- addScalacArgs>-feature</addScalacArgs --> 
     <args> 
      <arg>-Yresolve-term-conflict:object</arg> <!-- required for package/object name conflict in Jenkins jar --> 
     </args> 
     <javacArgs> 
      <javacArg>-Xlint:unchecked</javacArg> 
      <javacArg>-Xlint:deprecation</javacArg> 
     </javacArgs> 
    </configuration> 
    <executions> 
     <execution> 
      <id>scala-compile-first</id> 
      <phase>process-resources</phase> 
      <goals> 
       <goal>add-source</goal> 
       <goal>compile</goal> 
      </goals> 
     </execution> 
     <execution> 
      <id>scala-test-compile</id> 
      <phase>process-test-resources</phase> 
      <goals> 
       <goal>testCompile</goal> 
      </goals> 
     </execution> 
    </executions> 
</plugin>

舉一個例子，在這裏看到：https://github.com/adamretter/jenkins-scala-plugin/blob/master/jenkins-scala-plugin-executer/pom.xml#L57

來源

2014-08-07 14:49:12 adamretter

如果您的Java代碼依賴於Scala的類，你應該先編譯斯卡拉類。

這個工程：

clean scala:compile compile package

來源

2017-03-17 03:11:24 ghostchef

構建Scala，Maven和Java集成的失敗

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