Maven 3.1.0打破了Google App Engine Maven插件

Question

看起来像Google App Engine插件已经破坏了新的maven 3.1.0版本.当我尝试运行开发服务器时,我得到了异常

Caused by: java.lang.ClassNotFoundException: org.sonatype.aether.RepositorySystem
        at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:244)
        at org.codehaus.plexus.classworlds.realm.ClassRealm.loadClass(ClassRealm.java:230)
        ... 57 more
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------

我的maven版本是

Apache Maven 3.1.0 (893ca28a1da9d5f51ac03827af98bb730128f9f2; 2013-06-28 05:15:32+0300)
Maven home: C:\Program Files\Maven\apache-maven-3.1.0
Java version: 1.7.0_25, vendor: Oracle Corporation
Java home: C:\Program Files\Java\jdk1.7.0_25\jre
Default locale: en_US, platform encoding: Cp1252
OS name: "windows 7", version: "6.1", arch: "amd64", family: "windows"

在Apache网站上有关于此问题的汇总页面http://cwiki.apache.org/confluence/display/MAVEN/AetherClassNotFound

Answer 1

如果您需要使用Maven 3.1.0的插件,那么您可以使用1.8.3-SNAPSHOT修复此问题的最新版本(来自Sonatype存储库,见下文).

<plugin>
  <groupId>com.google.appengine</groupId>
  <artifactId>appengine-maven-plugin</artifactId>
  <version>1.8.3-SNAPSHOT</version>
</plugin>

<pluginRepository>
  <id>sonatype-nexus-snapshots</id>
  <name>Sonatype Nexus Snapshots</name>
  <url>https://oss.sonatype.org/content/repositories/google-snapshots/</url>
</pluginRepository>

Answer 2

另见这个问题:

转到android-maven-plugin的3.8.0版本,它解决了这个问题.