MVN：Maven bundle error：解决Maven管理的项目下"Missing artifact xxx bundle"问题

想仔细看看mina架构，有强迫症的我不愿意直接引用下载的包，折腾了一个晚上maven和eclipse集成，用了最新版本。感谢蜗牛的文章。

MVN：Maven bundle error：解决Maven管理的项目下"Missing artifact xxx bundle"问题

例如使用maven编译使用了mina的包的工程，出现如下提示: 

[INFO] Scanning for projects...

[INFO]                                                                         

[INFO] ------------------------------------------------------------------------

[INFO] Building Hello 1.0

[INFO] ------------------------------------------------------------------------

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 1.187s

[INFO] Finished at: Tue Nov 27 06:27:12 CST 2012

[INFO] Final Memory: 3M/81M

[INFO] ------------------------------------------------------------------------

[ERROR] Failed to execute goal on project Hello: Could not resolve dependencies for project tur:Hello:jar:1.0:  The following artifacts could not be resolved: org.apache.mina:mina-core: bundle :2.0.7, org.apache.mina:mina-integration-beans:bundle:2.0.7, org.apache.mina:mina-integration-jmx:bundle:2.0.7, org.apache.mina:mina-integration-ognl:bundle:2.0.7, org.apache.mina:mina-statemachine:bundle:2.0.7: Failure to find org.apache.mina:mina-core:bundle:2.0.7 in http://repo1.maven.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced -> [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/DependencyResolutionException

From:  http://blog.youkuaiyun.com/jialechan/article/details/6821389

这个问题可能是依赖的项目打包成bundle造成，比如mina就是这样的，打包成bundle,例子：

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1. <dependency>  
2.     <groupId>org.apache.mina</groupId>  
3.     <artifactId>mina-core</artifactId>  
4.     <version>2.0.4</version>  
5.     <type>bundle</type>  
6.     <scope>compile</scope>  
7. </dependency>  

加入上面依赖出现错误如下：

11-9-26 上午10时21分30秒: Maven Builder: AUTO_BUILD requireFullBuild

11-9-26 上午10时21分30秒: Build errors for test-http-mina; org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal on project test-http-mina: Could not resolve dependencies for project com.tecno:test-http-mina:jar:0.0.1-SNAPSHOT: Failure to find org.apache.mina:mina-core:bundle:2.0.4 in http://uk.maven.org/maven2/ was cached in the local repository, resolution will not be reattempted until the update interval of uk.maven.org has elapsed or updates are forced
11-9-26 上午10时22分11秒: Refreshing [/test-http-mina/pom.xml]
11-9-26 上午10时22分11秒: Missing artifact org.apache.mina:mina-core:bundle:2.0.4:compile
11-9-26 上午10时22分11秒: Maven Builder: AUTO_BUILD 

原因

mina打包为了bundle格式，为此，需要添加插件

在maven的pom.xml中plugins段中加入plugin即可

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1. <plugin>  
2.     <groupId>org.apache.felix</groupId>  
3.     <artifactId>maven-bundle-plugin</artifactId>  
4.     <extensions>true</extensions>  
5. </plugin>  

其中

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1. <extensions>true</extensions>  

是必须的。