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This bug was originally marked as duplicate of bug 239483, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE Dev (Build 201402070001) VM: Java HotSpot(TM) Client VM, 24.45-b08, Java(TM) SE Runtime Environment, 1.7.0_45-b18 OS: Linux User Comments: tbrunhoff: nothing. aravindhand: When I try to open a Recent Project, this problem occured tbrunhoff: reparse project (very big tree of sources) petrk: Closed project GUEST: restarted NetBeans with 5 open C++ projects GUEST: opened file form Files window. Stacktrace: java.lang.Exception: Existing project unique name differ: /home/toddb/src/src-app/libmapi/omneon/posix/include/L/ - expected /home/toddb/src/src-app/libmapi/omneon/shared/obuf/obuf.nb/N/ at org.netbeans.modules.cnd.utils.CndUtils.severe(CndUtils.java:200) at org.netbeans.modules.cnd.utils.CndUtils.assertTrue(CndUtils.java:185) at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.checkUniqueNameConsistency(ProjectBase.java:537) at org.netbeans.modules.cnd.modelimpl.csm.core.ProjectBase.write(ProjectBase.java:3619) at org.netbeans.modules.cnd.modelimpl.csm.core.LibProjectImpl.write(LibProjectImpl.java:178) at org.netbeans.modules.cnd.repository.support.AbstractObjectFactory.writeSelfPersistent(AbstractObjectFactory.java:69)
Created attachment 144929 [details] stacktrace
Created attachment 145475 [details] stacktrace Several projects were opened last time I quit. These were upgraded from 7.4. NB was opened and left to do it's scanning while I read email. When I came back exception was listed. No interaction by me.
Created attachment 145515 [details] stacktrace Opened a new project group after working for a couple of days
20 reports => P2
All exception reports are old (8 beta) and old dev version. A lot of repository issues were resolved since then. Please try 8.0