eclipse中maven Compilation failure::[4,29] 程序包cms_mr.job.mrprovider不存在-优快云博客

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在Eclipse中遇到Maven编译错误'Compilation failure::[4,29] 程序包不存在'，可以尝试通过清除项目、Eclipse的Project Clean以及执行mvn package来解决这个问题。" 130920369,18870143,Python vs. 宏：编程工具的对比分析,"['Python', '宏', '高级编程语言', '自动化工具', '计算机辅助设计']

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[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.3:compile (default-compile) on project cms_mr: Compilation failure: Compilation failure:
[ERROR] /D:/java/workspace/cms_mr/src/main/java/cms_mr/driver/factory/ReducerProviderFactory.java:[4,29] 程序包cms_mr.job.mrprovider不存在
[ERROR] /D:/java/workspace/cms_mr/src/main/java/cms_mr/driver/factory/JobFieldConfigFactory.java:[4,24] 程序包cms_mr.job.field不存在
[ERROR] /D:/java/workspace/cms_mr/src/main/java/cms_mr/driver/factory/ReducerProviderFactory.java:[15,35] 找不到符号
[ERROR] 符号: 类 ReducerProvider_Change_Times
[ERROR] 位置: 类 cms_mr.driver.factory.ReducerProviderFactory
[ERROR] /D:/java/workspace/cms_mr/src/main/java/cms_mr/driver/factory/JobFieldConfigFactory.java:[14,34] 找不到符号
[ERROR] 符号: 类 JobFieldConfig_Change_Times
[ERROR] 位置: 类 cms_mr.driver.factory.JobFieldConfigFactory
[ERROR] -> [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/MojoFailureException

解决方案：

1. 当前项目：mvn clean

2. Project -->clean-->clean all projects

3. mvn package，能正常编译打包