[regression] plugin fails to create Eclipse projects in 2.7
-----------------------------------------------------------
Key: MECLIPSE-585
URL: http://jira.codehaus.org/browse/MECLIPSE-585
Project: Maven 2.x Eclipse Plugin
Issue Type: Bug
Components: Core : .project
Affects Versions: 2.7
Reporter: Joerg Schaible
Since version 2.7 of the plugin it is no longer possible to create Eclipse
projects for Apache commons-vfs.
Steps to reproduce
# Check out https://svn.apache.org/repos/asf/commons/proper/vfs/trunk
# Call "mvn eclipse:clean eclipse:eclipse"
Maven stops with an error reported from the plugin. With version 2.6 it is
possible to create the projects, call
mvn org.apache.maven.plugins:maven-eclipse-plugin:2.6:clean
org.apache.maven.plugins:maven-eclipse-plugin:2.6:eclipse
The output for version 2.7 is:
{noformat}
...
[INFO] ------------------------------------------------------------------------
[INFO] Building Commons VFS Core
[INFO] task-segment: [eclipse:eclipse]
[INFO] ------------------------------------------------------------------------
[INFO] Preparing eclipse:eclipse
[INFO] [antrun:run {execution: javadoc.resources}]
[INFO] Executing tasks
[INFO] Executed tasks
[INFO] [eclipse:eclipse {execution: default-cli}]
[INFO] Using Eclipse Workspace: null
[INFO] Adding default classpath container:
org.eclipse.jdt.launching.JRE_CONTAINER
[INFO] Resource directory's path matches an existing source directory.
Resources will be merged with the source directory src/main/java
[INFO] Resource directory's path matches an existing source directory.
Resources will be merged with the source directory
/home/jos/src/Apache/Commons/Proper/vfs
[INFO] Resource directory's path matches an existing source directory.
Resources will be merged with the source directory
/home/jos/src/Apache/Commons/Proper/vfs
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Request to merge when 'output' is not identical. Original=resource
/home/jos/src/Apache/Commons/Proper/vfs: output=target/test-classes/META-INF,
include=[NOTICE.txt], exclude=[**/*.java], test=true, filtering=false, merging
with=resource /home/jos/src/Apache/Commons/Proper/vfs:
output=target/test-classes, include=[LICENSE.txt], exclude=[**/*.java],
test=true, filtering=false
[INFO] ------------------------------------------------------------------------
...
{noformat}
While the error is technically correct and the Eclipse project produced by
version 2.6 is not valid, I have still the possibility to fix the Eclipse
project manually. However, since the plugin with 2.7 will not create anything,
it is really worse and I am completely left alone. Therefore, it is fine to
print an explicit waring on the screen, but you should nevertheless create the
project and continue.
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