CoreException when trying to move/rename file

[jhpedemonte]

org.eclipse.core.runtime.CoreException: Could not move: /var/lib/maqetta/users/BsC/foobar.html.workingcopy.
        at org.eclipse.core.internal.filesystem.Policy.error(Policy.java:55)
        at org.eclipse.core.filesystem.provider.FileStore.move(FileStore.java:415)
        at org.eclipse.core.internal.filesystem.local.LocalFile.move(LocalFile.java:352)
        at maqetta.server.orion.VOrionStorage.renameTo(VOrionStorage.java:158)
        at org.maqetta.server.VFile.flushWorkingCopy(VFile.java:308)
        at maqetta.core.server.DavinciPageServlet.doPut(DavinciPageServlet.java:118)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:758)
        ...
Caused by: org.eclipse.core.runtime.CoreException: File already exists on disk: /var/lib/maqetta/users/BsC/foobar.html.
        at org.eclipse.core.internal.filesystem.Policy.error(Policy.java:55)
        at org.eclipse.core.internal.filesystem.Policy.error(Policy.java:50)
        at org.eclipse.core.filesystem.provider.FileStore.copyFile(FileStore.java:208)
        at org.eclipse.core.filesystem.provider.FileStore.copy(FileStore.java:143)
        at org.eclipse.core.internal.filesystem.local.LocalFile.copy(LocalFile.java:111)
        at org.eclipse.core.filesystem.provider.FileStore.move(FileStore.java:410)
        ... 56 more

---

Later on, I saw this exception as well, trying to do a rename once again:

org.eclipse.core.runtime.CoreException: File already exists on disk: /var/lib/maqetta/users/BsC/Obtain_Service_Report.html.
        at org.eclipse.core.internal.filesystem.Policy.error(Policy.java:55)
        at org.eclipse.core.internal.filesystem.Policy.error(Policy.java:50)
        at org.eclipse.core.internal.filesystem.local.LocalFile.move(LocalFile.java:319)
        at maqetta.server.orion.VOrionStorage.renameTo(VOrionStorage.java:158)
        at org.maqetta.server.VFile.flushWorkingCopy(VFile.java:308)
        at maqetta.core.server.DavinciPageServlet.doPut(DavinciPageServlet.java:118)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:758)
        ...