If you are using Subversion and Maven, you might have experienced a message that looks something like: svn: File ‘/folder/pom.xml’ already exists, when executing the “mvn release:prepare” goal.
In the latter bug report, there is a suggestion for a workaround:
First, execute “mvn release:prepare”. When the error message appears, run “svn update” and then try again with “mvn release:prepare -Dresume”.
This has worked every time for us, but it has not ceased to feel like an ugly workaround.