eclipse构建maven scala 项目 编译成功
2016-07-05 13:28
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一、安装eclipse scala插件
系统:win7
eclipse版本:Luna Release(4.4.0)
maven是从EclipseMarket中安装的
![](https://img-blog.csdn.net/20160705132026116?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
url是:http://alchim31.free.fr/m2e-scala/update-site/
![](https://img-blog.csdn.net/20160705132134526?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
(1)
新建Archetype,因为maven默认没有Group Id: net.alchim31.maven Artifact Id: scala-archetype-simple Version:1.5
![](https://img-blog.csdn.net/20160705132408836?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
创建maven项目,选择上面那个插件就可以了
![](https://img-blog.csdn.net/20160705132429342?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
![](https://img-blog.csdn.net/20160705132524399?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
scala项目maven的编译打包
有可能会遇到:
[ERROR] Failed to execute goal net.alchim31.maven:scala-maven-plugin:3.2.0:compi
le (default) on project iteblog: 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 swit
ch.
[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 rea
d the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionE
xception
原因是mvn clean package默认只处理java源代码的编译、打包,而不管scala,所以编译时遇到Hello这个由scala语言编写的class,此时scala还没编译生成class,所以找不到相应的调用入口。
解决办法:
mvn clean scala:compile compile package
![](https://img-blog.csdn.net/20160705132704018?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center)
如上,在compile前加入scala:compile,这是maven-scala-plugin插件提供的选项,表示编译scala,这样一来,先编译scala,再编译java,最后打包,妥妥滴!
系统:win7
eclipse版本:Luna Release(4.4.0)
maven是从EclipseMarket中安装的
2. 安装m2e-scala
url是:http://alchim31.free.fr/m2e-scala/update-site/
3. 添加远程的原型或模板目录:
(1)http://repo1.maven.org/maven2/archetype-catalog.xml
创建maven项目,选择上面那个插件就可以了
scala项目maven的编译打包
有可能会遇到:
[ERROR] Failed to execute goal net.alchim31.maven:scala-maven-plugin:3.2.0:compi
le (default) on project iteblog: 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 swit
ch.
[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 rea
d the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionE
xception
原因是mvn clean package默认只处理java源代码的编译、打包,而不管scala,所以编译时遇到Hello这个由scala语言编写的class,此时scala还没编译生成class,所以找不到相应的调用入口。
解决办法:
mvn clean scala:compile compile package
如上,在compile前加入scala:compile,这是maven-scala-plugin插件提供的选项,表示编译scala,这样一来,先编译scala,再编译java,最后打包,妥妥滴!
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