maven-resources-plugin:2.5-无法创建资源输出目录 [英] maven-resources-plugin:2.5 - Cannot create resource output directory

问题描述

我偶尔使用此项目构建项目时会收到​​此错误

I occasionally receive this error when I build my project with

>mvn --version
Apache Maven 3.0.5 (r01de14724cdef164cd33c7c8c2fe155faf9602da; 2013-02-19 15:51:28+0200)
Maven home: ...\apache-maven-3.0.5
Java version: 1.6.0_45, vendor: Sun Microsystems Inc.
Java home: ...
Default locale: en_US, platform encoding: Cp1252
OS name: "windows 7", version: "6.1", arch: "amd64", family: "windows"

和错误:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-resources-plugin:2.5:resources 
(default-resources) on project project-name: Cannot create resource output directory: 
 path\to\project\code\project-name\target\classes -> [Help 1]

注意:有时会发生这种情况，并且与代码无关.可以在完全相同的源代码的两个连续构建之一中进行-一个接一个地进行.

Note: this happens sometimes, and it is not related to the code. It can happen in one of two consecutive builds - one after the other, against exactly the same source code.

有人知道如何完全避免它吗?它往往会中断相当耗时的构建:-/

Does anyone have any idea how to avoid it completely? It tends to interrupt quite a time-consuming build :-/

推荐答案

在Windows上，无法创建文件夹的原因有:

On Windows, there reasons for being unable to create a folder are:

1. 其他一些过程正在同时删除此文件夹
2. 您没有访问此文件夹的权限
3. 该文件夹位于网络共享上

众所周知，Windows上的网络共享不可靠.不要将它们用于任何自动化任务.始终在构建项目时将所有文件都驻留在本地硬盘上.

Network shares are notoriously unreliable on Windows. Don't use them for any automated tasks. Always build projects with all files residing on a local hard disk.

如果同时使用Maven和Eclipse进行构建，则应将它们配置为使用不同的目标文件夹.参见 https://stackoverflow.com/a/54366009/34088

If you use Maven and Eclipse to build at the same time, you should configure them to use different target folders. See https://stackoverflow.com/a/54366009/34088

您的POM应该如下所示:

Your POM should look like this:

<project>
  ...

  <build>
    <outputDirectory>${basedir}/${target.dir}/classes</outputDirectory>
    <testOutputDirectory>${basedir}/${target.dir}/test-classes</testOutputDirectory>
  </build>

  <properties>
    <target.dir>target</target.dir>
  </properties>

  <profiles>
    <profile>
      <id>eclipse-folders</id>
      <properties>
        <target.dir>target-eclipse</target.dir>
      </properties>
    </profile>
  </profiles>
  ...  

剩下的就是在IDE中启用配置文件eclipse-folders.

All that's left is to enable the profile eclipse-folders in the IDE.

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