[NETBEANS-4696] NetBeans 12.1-beta1 sometimes hangs on open

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 12.1
• Fix Version/s: 12.1
• Component/s: ide - Performance
• Labels: deadlock pull-requests-available

Environment

Linux (Debian "Buster")
OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.7+10)

• Assignee: Unassigned
• Reporter: Glenn Holmer
• Created: 07/Aug/20 15:33
• Updated: 05/Feb/21 20:54
• Resolved: 26/Sep/20 01:29

Description

 

NetBeans sometimes hangs on startup; the symptom is a stalled "Opening Projects" progress bar. I haven't been able to find a repro case, but I'm attaching a thread dump (from VisualVM) and screen shot.