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Bug 255223

Summary:	org.openide.explorer.view.TreeView$ExplorerTree$GuardedActions.<init>: LowPerformance took 105767 ms.
Product:	java	Reporter:	Exceptions Reporter <exceptions_reporter>
Component:	Project	Assignee:	Tomas Zezula <tzezula>
Status:	NEW ---
Severity:	normal	CC:	alexvsimon
Priority:	P3	Keywords:	PERFORMANCE
Version:	8.0
Hardware:	All
OS:	All
Issue Type:	DEFECT	Exception Reporter:	219879
Attachments:	nps snapshot

Description Exceptions Reporter 2015-09-11 14:37:33 UTC

This issue was reported manually by alexvsimon.
It already has 1 duplicates 


Build: NetBeans IDE 8.0.2 (Build 201411181905)
VM: Java HotSpot(TM) 64-Bit Server VM, 25.40-b25, Java(TM) SE Runtime Environment, 1.8.0_40-b25
OS: Windows 8

User Comments:
GUEST: opening a proyect



Maximum slowness yet reported was 105767 ms, average is 105767

Comment 1 Exceptions Reporter 2015-09-11 14:37:36 UTC

Created attachment 156103 [details]
nps snapshot

Comment 2 Alexander Simon 2015-09-11 14:52:31 UTC

This bug was extracted from exception reports of the bug #237407.

Comment 3 Tomas Zezula 2016-06-16 09:27:22 UTC

PackageViewChildren holds the Children lock for long time.