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Posted to issues@maven.apache.org by "jks (Jira)" <ji...@apache.org> on 2020/10/26 16:37:00 UTC
[jira] [Commented] (MRESOURCES-237) Resource plugin's handling of
symbolic links changed in 3.0.x, broke existing behavior
[ https://issues.apache.org/jira/browse/MRESOURCES-237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17220802#comment-17220802 ]
jks commented on MRESOURCES-237:
--------------------------------
A related problem popped up for me when I upgraded from 3.1.0 to 3.2.0. It seems copying a symlink fails if the target does not exist. If you are symlinking from test/resources/dirs/b to test/resources/dirs/a and the b directory is traversed before the a directory the symlink of that resource will fail. Worse the order of traversal is inconsistent between git checkouts. If the target was copied instead of the symlink this wouldn't happen.
> Resource plugin's handling of symbolic links changed in 3.0.x, broke existing behavior
> --------------------------------------------------------------------------------------
>
> Key: MRESOURCES-237
> URL: https://issues.apache.org/jira/browse/MRESOURCES-237
> Project: Maven Resources Plugin
> Issue Type: Bug
> Affects Versions: 3.0.0, 3.0.1, 3.0.2, 3.1.0, 3.2.0
> Environment: Apache Maven 3.3.9 (bb52d8502b132ec0a5a3f4c09453c07478323dc5; 2015-11-10T11:41:47-05:00)
> Java version: 1.8.0_121, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.121-1.b14.fc25.x86_64/jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "4.9.11-200.fc25.x86_64", arch: "amd64", family: "unix"
> Reporter: Brian D. Johnson
> Assignee: Olivier Lamy
> Priority: Minor
> Fix For: 3.3.0
>
> Attachments: a.tgz
>
>
> It looks like the handling of symbolic links in the {{maven-resources-plugin}} has changed in version 3.0.x. I'm submitting a JIRA because it breaks the previous behavior and I have not been able to find this documented anywhere as an intended change.
> *Use case:* Multi-module maven project. We have a custom log4j2 configuration file we use during testing. Instead of maintaining this file in multiple {{src/test/resources}} directories, we instead maintain a single copy of the file at the project's root level and create symbolic links from each module's {{src/test/resources}} directory to the file using relative paths.
> *2.7 Behavior:* the symlink was evaluated and the target file was copied to {{target/test-classes/}}.
> *3.0.x Behavior:* the symlink is copied to {{target/test-classes/}} verbatim. The symlink's relative path results in the symlink pointing to the wrong file location. The log4j2 configuration is not found.
> *Requested Change:* Either revert to the original 2.7 behavior, or document the change and provide a configuration parameter to allow the legacy behavior.
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