If you have worked with SVN tools in Eclipse (Subversion, subversive) before, then you are likely familiar with the \'working copy \'XXX\' locked...\" error.
I found
I had the same problem using the com.xxx.service.model package.
To fix it, I first made a backup of the code changes in the model package. Then deleted model package and synchronized with the repository. It will show incoming the entire folder/package. Then updated my code.
Finally, paste the old code commit to the SVN Repository. It works fine.