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
This will happen when something went wrong in one of your folders in you project.
You need to find out the exact folder that locked and execute svn cleanup under the specific folder.
You can solve this as follows:
svn commit command to find out which folder went wrong.svn cleanup. Then it's done.