Maven项目在编译及导入Eclipse时出现的错误汇总处理

Maven项目在编译及导入Eclipse时出现的错误处理汇总

Maven在构建项目时确实是比较强大，而且也越来越流行，目前不但越来越多的开源项目，甚至越来越多的商业项目都在使用Maven。但是不得不说Maven里面的坑真心的多，最近手头的几个项目都是使用Maven进行构建的，兄弟们都被Maven搞的泪奔啊....

一、Maven相关项目地址

Maven项目主页：

http://maven.apache.org/

Maven下载地址：

http://maven.apache.org/download.cgi

 

Maven Eclipse Plugin

http://maven.apache.org/plugins/maven-eclipse-plugin/

 

Maven-android-plugin项目主页：

https://code.google.com/p/maven-android-plugin/

在

https://code.google.com/p/maven-android-plugin/wiki/Changelog可查看Maven-android-plugin的版本历史。

 

 

在线更新地址：

M2E Maven Archiver Connector         

http://repo1.maven.org/maven2/.m2e/connectors/m2eclipse-mavenarchiver/0.15.0/N/0.15.0.201207090125/      Enabled

m2e-android    

http://rgladwell.github.com/m2e-android/updates/      Enabled

 

二、编译错误汇总

1、关于编译Maven版本问题

     (1) Maven3.0.5版本编译时，

                Maven-android-plugin最高支持到3.5.3，更高版本的Maven-android-plugin，编译会出错。

     (2) Maven3.1.1版本编译时，

                Maven-android-plugin最好使用3.8.1

               并且在Maven工程下的Android项目中，要指定SDK版本。否则提示SDK路径错误。添加如下：

    <plugin>
         <groupId>com.jayway.maven.plugins.android.generation2</groupId>
         <artifactId>android-maven-plugin</artifactId>   
         <version>3.8.1</version>
         <extensions>true</extensions>
            <configuration>
           <sdk>
                 <platform>15</platform>
           </sdk>
       </configuration>
  </plugin>

 

          若导入Eclipse环境，需要在CMD下执行mvneclipse:eclipse,然后使用导入已存在的Maven项目，该过程会重建Maven的Eclipse项目。

           在Eclipse环境下执行Maven install时可能会报错，找不到tools.jar包。

           那么要确认Eclipse中JREs的路径是否正确.

 

           Condition:在使用Maven打包项目的时候出现这个异常，提示tools没有找到。

           解决：确定你的eclipse在 首选项--》java--》installed JREs里面的jre指向的是JDK而不是JRE，tools.jar是JDK才有的。当然，你也可以在环境变量classpath里面将jdk的lib目录加加进去。

三、各类错误详细

3.1命令行编译打包问题

3.1.1 Maven3.0.5

1、配置Maven-android-plugin3.3.0~3.5.3

       均可在CMD命令行模式下使用mvninstall 编译通过

2、配置Maven-Android-plugin3.6.0~3.8.1

配置Maven-Android-plugin3.6.0，提示的错误：

[ERROR] Failed to execute goalcom.jayway.maven.plugins.android.generation2:andr
oid-maven-plugin:3.6.0:generate-sources(default-generate-sources) on project co
ntroltower-android: Execution default-generate-sources ofgoal com.jayway.maven.
plugins.android.generation2:android-maven-plugin:3.6.0:generate-sourcesfailed:
 No AndroidPlatform Version/API Level has been configured. Add e.g. <sdk><plat
form>17</platform></sdk> to the pluginconfiguration. -> [Help 1]
[ERROR]

配置Maven-Android-plugin3.7.0，提示的错误：

[ERROR] Failed to execute goalcom.jayway.maven.plugins.android.generation2:andr
oid-maven-plugin:3.7.0:generate-sources(default-generate-sources) on project co
ntroltower-android: Execution default-generate-sources ofgoal com.jayway.maven.
plugins.android.generation2:android-maven-plugin:3.7.0:generate-sourcesfailed:
 No Android APILevel has been configured.  Add e.g.<sdk><platform>17</platform
></sdk> to the plugin configuration. -> [Help1]

配置Maven-Android-plugin3.8.0，提示的错误：

[ERROR] Failed to execute goalcom.jayway.maven.plugins.android.generation2:andr
oid-maven-plugin:3.8.0:generate-sources(default-generate-sources) on project co
ntroltower-android: The plugincom.jayway.maven.plugins.android.generation2:andr
oid-maven-plugin:3.8.0 requires Maven version 3.1.1 ->[Help 1]
[ERROR]

错误处理：

       对于Maven-android-plugin3.6.0~3.7.0版本，提示的是缺少配置Android SDK的配置项，可在Android项目的Maven配置文件pom.xml中添加AndroidSDK版本。

如下： 

 <pluginManagement>
     <plugins>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
         <inherited>true</inherited>
         <configuration>
           <source>1.6</source>
           <target>1.6</target>
         </configuration>
       </plugin>
       <plugin>
         <groupId>com.jayway.maven.plugins.android.generation2</groupId>
         <artifactId>android-maven-plugin</artifactId>
         <version>3.7.0</version>
         <extensions>true</extensions>
                     <configuration>
                      <sdk>
                   <platform>15</platform>//-->此处为Android SDK的版本号
                      </sdk>
                  </configuration>
       </plugin>
     </plugins>
   </pluginManagement>

之后mvn install即可编译打包通过。

对于Maven-Android-plugin3.8.0其错误提示明确要求该插件需配置Maven3.1.1，故如果要使用Maven-Android-plugin3.8.0版本以上的插件则必须使用Maven3.1.1版本。

3.1.2 Maven3.1.1

    在Android项目的maven配置文件中配置不同的Maven-android-plugin版本后，在CMD命令行环境中执行：mvn install，出现的各种错误如下：

配置Maven-Android-plugin3.3.0，提示的错误：

[ERROR] Failed to execute goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.3.0:generate-sources(default-generate-sources) on project controltower-android: Executiondefault-generate-sources of goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.3.0:generate-sourcesfailed:
A required class wasmissing while executingcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.3.0:generate-sources:Lorg/sonatype/aether/RepositorySystem;

配置Maven-Android-plugin3.5.3，提示的错误：

[ERROR] Failed to execute goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.5.3:generate-sources(default-generate-sources) on project controltower-android: Executiondefault-generate-sources of goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.5.3:generate-sourcesfailed:
A required classwas missing while executingcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.5.3:generate-sources:Lorg/sonatype/aether/RepositorySystem;

配置Maven-Android-plugin3.6.0，提示的错误：

[ERROR] Failed to execute goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.6.0:generate-sources(default-generate-sources) on project controltower-android: Executiondefault-generate-sources of goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.6.0:generate-sourcesfailed:
A required classwas missing while executingcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.6.0:generate-sources:Lorg/sonatype/aether/RepositorySystem;

配置Maven-Android-plugin3.7.0，提示的错误：

[ERROR] Failed to execute goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.7.0:generate-sources(default-generate-sources) on project controltower-android: Executiondefault-generate-sources of goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.7.0:generate-sourcesfailed:
A required classwas missing while executingcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.7.0:generate-sources:Lorg/sonatype/aether/RepositorySystem;

配置Maven-Android-plugin3.8.0，提示的错误：

[ERROR] Failed to execute goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.8.0:generate-sources(default-generate-sources) on project controltower-android: Executiondefault-generate-sources of goal com.jayway.maven.plugins.android.generation2:android-maven-plugin:3.8.0:generate-sourcesfailed:
 No Android API Level has been configured.  Add e.g.<sdk><platform>17</platform></sdk> to the pluginconfiguration. -> [Help 1]

配置Maven-Android-plugin3.8.1，提示的错误：

[ERROR] Failed to execute goal com.jayway.maven.plugins.android.generation2:android-maven-plugin:3.8.1:generate-sources(default-generate-sources) on project controltower-android: Executiondefault-generate-sources of goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.8.1:generate-sourcesfailed:
 No Android API Level has been configured.  Add e.g.<sdk><platform>17</platform></sdk> to the pluginconfiguration. -> [Help 1]

错误处理：

对于Maven3.1.1+Maven-androird-plugin3.3.0~3.7.0配置的错误提示：

A required classwas missing while executingcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.7.0:generate-sources:Lorg/sonatype/aether/RepositorySystem;

只能更新Maven-android-plugin插件至3.8.0+版本

对于Maven3.1.1+Maven-androird-plugin3.8.0+配置的错误提示：

[ERROR] Failed to execute goal com.jayway.maven.plugins.android.generation2:android-maven-plugin:3.8.0:generate-sources(default-generate-sources) on project controltower-android: Executiondefault-generate-sources of goalcom.jayway.maven.plugins.android.generation2:android-maven-plugin:3.8.0:generate-sourcesfailed:
 No Android API Level has been configured.  Add e.g.<sdk><platform>17</platform></sdk> to the pluginconfiguration. -> [Help 1]

需要在Andorid的Maven项目配置文件中添加Android SDK的版本配置项，如下：

  <pluginManagement>

     <plugins>
        <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
         <inherited>true</inherited>
         <configuration>
           <source>1.6</source>
           <target>1.6</target>
          </configuration>
       </plugin>
       <plugin>
         <groupId>com.jayway.maven.plugins.android.generation2</groupId>
         <artifactId>android-maven-plugin</artifactId>
         <version>3.7.0</version>
         <extensions>true</extensions>
                     <configuration>
                      <sdk>
                   <platform>15</platform>//-->此处为Android SDK的版本号
                      </sdk>
                  </configuration>
       </plugin>
     </plugins>
   </pluginManagement>

综上所出现的错误，命令行编译打包Maven工程可使用的组合为：

Maven3.0.5+Maven-android-plugin3.3.0~3.5.3

maven3.1.1+Maven-android-plugin3.8.0~3.8.1

 

3.2 导入Eclipse时发生的错误提示

       通过mvn eclipse:eclipse生成eclipse项目

       在使用Eclipse导入maven项目时，提示错误：Resolve  Later

Maven3.0.5+maven-android-plugin3.3.0提示：

Maven3.0.5+Maven-android-plugin3.5.3提示：

Maven3.0.5+Maven-android-plugin3.7.0提示：

使用Maven-android-plugin3.7.0在命令行编译通过后，Mvn eclipse:eclipse之后导入Eclipse环境中时提示错误：

No marketplaceentries found to handle android-maven-plugin:3.8.0:consume-aar in Eclipse.  Please see Help for more information.

 

网络连接问题：

[ERROR] Failed to execute goal onproject javadrone-utils: Could not resolve dep
endencies forproject com.codeminders:javadrone-utils:jar:1.3: Failed to collect
 dependencies atcom.twilight:h264-decoder:jar:1.0: Failed to read artifact desc
riptor forcom.twilight:h264-decoder:jar:1.0: Could not transfer artifact com.tw
ilight:h264-decoder:pom:1.0from/to central (http://repo.maven.apache.org/maven2): Connection to http://repo.maven.apache.orgrefused: Connection timed out: connect -> [Help 1]

 四、关于错误Unsupported IClasspathEntrykind=4

在将Maven项目导入到Eclipse中时，出现错误完整提示如下：

Aninternal error occurred during: "Importing Maven projects".

Unsupported IClasspathEntry kind=4 

这个错误网上有很多网友都提供了处理方法，这里就直接引用网友Kongqz对这个问题的处理办法：http://blog.csdn.net/kongqz/article/details/7770765，这个处理办法也是正确且是大多数网友采取的办法。如下：

 

这个异常会导致项目无法使用springide启动

 

英文解释如下：

Pleasesee https://bugs.eclipse.org/bugs/show_bug.cgi?id=374332#c14

Theproblem is caused by the fact that the STS (the Spring IDE/Eclipse) uses them2e(clipse) plugin but that eclipse:eclipse has been probably been run on theproject. When m2e encounters a "var" .classpath entry, it throws thiserror.

Inorder to fix this problem, you need to do 2 things:

1.   Make sure that the version of them2e(clipse) plugin that you're running is at least 1.1.0. The update site ishere:https://repository.sonatype.org/content/repositories/forge-sites/m2e/1.1.0/N/LATEST/

2.   Disable the maven nature for theproject (via the right-click menu), run mvn eclipse:clean (while your projectis open inSTS/eclipse), and then re-enable the maven nature.

中文解释就是

 问题是因为使用springide使用了m2eclipse插件，但是这个插件的使用前提是不允许命令mvn eclipse:eclipse在项目上执行过，如果执行过，就会抛出这个异常。

现阶段修复这个问题需要做两件事

 1、保证m2e插件的版本高于 1.1.0，如果没有到站点升级 : https://repository.sonatype.org/content/repositories/forge-sites/m2e/1.1.0/N/LATEST/

 2、去掉项目的maven特性，右键菜单就能去除，然后执行mvn eclipse:clean，并且重新激活maven 特性