I'm facing a problem with continuum's release:prepare phase which fails in scm-check-modifications step with error :
[ERROR] org.apache.maven.shared.release.ReleaseFailureException: Cannot prepare the release because you have local modifications : [pom.xml:modified]
What i did :
I know that the scm-check-modifications calls ScmCheckModificationsPhase class that verifies that there are no local changes compared to what is on the SCM.
I understand if i'm working with only Maven, if there are some locally changes, or any differences between the local code and the SVN for example, release:prepare won't work, because it checks for modifications first; but working with Continuum,i don't know why it should be a differencse between the local code and the SVN repository ? So i don't know why the release:prepare goal in Continuum is facing that problem.
Example of my pom :
<build>
<plugins>
...
<plugin>
<artifactId>maven-release-plugin</artifactId>
<configuration>
<useReleaseProfile>false</useReleaseProfile>
</configuration>
</plugin>
...
</plugins>
</build>
<scm>
<connection>scm:cvs:ext:url:/var/cvs:application_name</connection> <developerConnection>scm:cvs:ext:url:/var/cvs:application_name</developerConnection>
</scm>
.....
</project>
In the parent pom.xml:
...
<pluginManagement>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-release-plugin</artifactId>
<version>2.2.2</version>
<configuration>
<useReleaseProfile>false</useReleaseProfile>
<goals>deploy</goals>
<arguments>-Prelease</arguments>
</configuration>
</plugin>
.....
For information, the build and the release of the project is always working fine, until now.
There is a Bypass solution that solved my issue but i still seeking to understand the origin of this problem.
The bypass solution:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-release-plugin</artifactId>
<version>2.2.2</version>
<configuration>
...
<checkModificationExcludes>
<checkModificationExclude>pom.xml</checkModificationExclude>
</checkModificationExcludes>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-release-plugin</artifactId>
<configuration>
<checkModificationExcludes>
<checkModificationExclude>pom.xml</checkModificationExclude>
<checkModificationExclude>**</checkModificationExclude>
</checkModificationExcludes>
</configuration>
Removing my project's target
folder from source control fixed this issue for me.
I can confirm, that adding the plugin or configuring it to exclude the pom.xml
check did work:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-release-plugin</artifactId>
<configuration>
<checkModificationExcludes>
<checkModificationExclude>pom.xml</checkModificationExclude>
</checkModificationExcludes>
</configuration>
</plugin>
For everybody who don't want to change the pom.xml
a commandline option does the trick:
mvn [...] -DcheckModificationExcludeList=pom.xml,.maven/spy.log
I had the problem on our hudson / jenkins CI environment which complained about changes in the .maven/spy.log
For me solution is staging and commiting pom.xml or any other changed file to push git
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