我在 Ubuntu 12.04 中运行 Maven 3.0.4。我有 Java 版本 1.7.0_25。我正在尝试使用该mvn package命令,但我不断遇到错误,这些错误总是沿着以下路线:
Failure executing javac, but could not parse the error:
javac: directory not found: /......../target/[some folder]
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我无法弄清楚这最初是什么,但现在从一些基本的谷歌搜索中了解到这是因为目标目录必须存在。处理这个问题的一般建议方法是创建一个 ant 脚本来为你做这件事(我认为)。
但是,我不知道实际需要创建哪些文件夹。这不是我正在编译的项目,只是我下载的项目。是否仍然可以使用 Ant 脚本,如果可以,任何人都可以指出我正确的方向,因为我以前从未使用过 ant 脚本,更不用说创建了一个,并且可以准确地称为 Ubuntu“菜鸟”!
根据要求提供完整的 Maven 输出
目录为:
flume-sources - containing
flume.conf
pom.xml
src
main
java
com
cloudera
flume
source
TwitterSource.java
TwitterSourceConstants.java
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Maven 错误是:
andrew@andrew-VirtualBox:~/flume-sources$ mvn package
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building flume-sources 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.3:resources (default-resources) @ flume-sources ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /home/andrew/flume-sources/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ flume-sources ---
[INFO] Compiling 2 source files to /home/andrew/flume-sources/target/classes
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] Failure executing javac, but could not parse the error:
javac: directory not found: /home/andrew/flume-sources/target/classes
Usage: javac <options> <source files>
use -help for a list of possible options
[INFO] 1 error
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 3.470s
[INFO] Finished at: Mon Jul 08 12:35:58 BST 2013
[INFO] Final Memory: 9M/59M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project flume-sources: Compilation failure
[ERROR] Failure executing javac, but could not parse the error:
[ERROR] javac: directory not found: /home/andrew/flume-sources/target/classes
[ERROR] Usage: javac <options> <source files>
[ERROR] use -help for a list of possible options
[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
andrew@andrew-VirtualBox:~/flume-sources$
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不,您不需要手动或使用 ant 脚本创建文件夹。
如果target运行 mvn 时该文件夹不存在,它将创建它
所以我的猜测是你有权限问题
运行 maven 的用户无法在 /home/andrew/flume-sources 中创建文件夹
作为测试,以 root 身份运行 mvn
sudo mvn package
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如果可行,那么这就是我所说的,您将需要 1)chown文件夹,以便运行 maven 的用户可以在其中创建文件夹 (rw) 或 2) 从拥有该文件夹的同一用户运行 mvn(我是猜测是andrew)
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