when i run mvn clean install, i get the error:
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-clean-plugin:2.5:clean (default-clean) on project checkstyle: Failed to clean project: Failed to delete /home/sana/controller/opendaylight/commons/checkstyle/target/checkstyle-0.0.2-1-SNAPSHOT.jar -> [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] [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <goals> -rf :checkstyle
