This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
I send you the log
Created attachment 3067 [details] log
Hi, we will need more info about what you did? Did you some upgrade, installed and uninstalled you some modules? Are some of attached exceptions related to editing and some related to closing the tab? There are some exceptions in the log may be caused by editor module, but they follows plenty of others, so probably are caused by some previous problem.
Created attachment 3071 [details] a fresh log for you, 4 exceptions closing 4 tabs, just beginning the session in the ide
According to the last ide.log this is a duplicate - should be fixed in latest dev builds. *** This issue has been marked as a duplicate of 16461 ***
Resolved for 3.4.x or earlier, no new info since then -> verified.
Resolved for 3.4.x or earlier, no new info since then -> closing.