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在搭建底层框架时，maven install itoo-base 和 itoo-tool（Packaging的值是ejb的）时，总是报如下的错误：
maven install itoo-base:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-ejb-plugin:2.3:ejb (default-ejb) on project itoo-base: Error assembling EJB: META-INF/ejb-jar.xml is required for ejbVersion 2.x -> [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
maven install itoo-tool:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-ejb-plugin:2.3:ejb (default-ejb) on project itoo-tool: Error assembling EJB: META-INF/ejb-jar.xml is required for ejbVersion 2.x -> [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
初步判定是缺少maven-ejb-plugin:2.3 的jar包。于是我就去我自己搭建的nexus上去搜索该jar包，但是没有任何信息，我又去252服务器上nexus上去查找了该jar包，结果显示有。所以基本断定我自己搭建的nexus是有问题的。通过阅读文档发现自己的nexus没有更新索引，所以central中的jar是不全的。
更新完索引（具体方式，详见：《maven与nexus》），再次install，问题解决了……
版权声明：本文为博主原创文章，未经博主允许不得转载。
ITOO之底层搭建（一）——缺少jar
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原文地址：http://blog.csdn.net/wang13667539325/article/details/47176265
