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OS X 10.9 (13A3017) on 2,3 GHz Intel Core i7, Java 7u40. Migrating to new hardware and new OS I had to adjust the libraries in my NB projects. This proved tedious with the IDE hanging sometimes within a minute after restart. (with the SSD and the fast CPU that isn't too painful, though). The IDE 'hanging' seem to happen triggered by a UI gesture (click on a button) shortly after dismissing the project properties panel, while the IDE has just started updating projects. The UI gesture is not responded to and after a short time the beach ball appears. Force quit is the only way out then. I marked this as a P1 as the IDE is effectively unusable with this bug. That is, it is unusable with the task of setting project properties, or at least setting libraries. Editing and compiling seem to be working without a problem, I haven't been able to use that part extensively, yet. (Anyway, it is very fast with compiling!). I have process samples, which are too big to post here. I could put them in a drop box folder.
additional process info: Process: java [4111] Path: /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/bin/java Load Address: 0x107a72000 Identifier: org.netbeans.ide.baseide.201310111528 (7.4) Version: 1.0 (1.0) Code Type: X86-64 Parent Process: bash [3862] Date/Time: 2013-11-27 17:12:33.885 +0100 OS Version: Mac OS X 10.9 (13A3017) Report Version: 7
some more process info: Process: java [4111] Path: /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/bin/java Load Address: 0x107a72000 Identifier: org.netbeans.ide.baseide.201310111528 Version: 1.0 (1.0) Code Type: X86-64 Parent Process: bash [3862] Date/Time: 2013-11-27 17:12:33.885 +0100 OS Version: Mac OS X 10.9 (13A3017) Report Version: 7
Please attach thread-dump and reopen. Thanks in advance http://wiki.netbeans.org/GenerateThreadDump
Created attachment 142727 [details] thread dump of recent hang After a couple of hours of editing, with opening and closing and scrolling to a number o files, NB obliged by hanging again so i could get the thread dump.
I do not see anything suspicious in thread-dump, but maybe other devs do ...
The only workaround now is to run NetBeans with the latest JDK 8 early access build, or switch back to 7u25 on OS-X. https://jdk8.java.net/download.html *** This bug has been marked as a duplicate of bug 236101 ***