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Bug 262268 - IDE hang when saving a file
Summary: IDE hang when saving a file
Status: NEW
Alias: None
Product: ide
Classification: Unclassified
Component: Code (show other bugs)
Version: 8.2
Hardware: PC Windows 10 x64
: P3 normal with 1 vote (vote)
Assignee: issues@ide
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2016-05-30 01:55 UTC by _ gtzabari
Modified: 2016-12-20 21:15 UTC (History)
0 users

See Also:
Issue Type: DEFECT
Exception Reporter:


Attachments
Thread dump (36.87 KB, text/plain)
2016-05-30 01:55 UTC, _ gtzabari
Details

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Description _ gtzabari 2016-05-30 01:55:17 UTC
Created attachment 159913 [details]
Thread dump

I hit CTRL+S to save an open Java file. The IDE hung and had to be killed. Before terminating the process, I took a thread dump for your review (attached).

On a side-note, Netbeans is configured to run the following operations "On Save":

1. Reformat all lines
2. Remove trailing whitespace from all lines
3. Remove unused imports
4. Organize imports

I have run across this issue dozens of times, but I can't figure out exact repro steps (it seems to be random) so I guess we're stuck working with the thread dump...
Comment 1 _ gtzabari 2016-05-30 01:56:12 UTC
I forgot to mention, my IDE version is:

Product Version: NetBeans IDE Dev (Build 201605260002)
Java: 1.8.0_92; Java HotSpot(TM) 64-Bit Server VM 25.92-b14
Runtime: Java(TM) SE Runtime Environment 1.8.0_92-b14
System: Windows 10 version 10.0 running on amd64; Cp1252; en_CA (nb)
User directory: C:\Users\Gili\AppData\Roaming\NetBeans\dev
Cache directory: C:\Users\Gili\AppData\Local\NetBeans\Cache\dev

and when I say the IDE hung, I mean I get the hourglass icon and the UI won't respond to any mouse clicks.
Comment 2 Exilor 2016-12-20 21:15:18 UTC
I also noticed this issue after updating to the latest version of Netbeans. Running on Ubuntu 14.04.

I fixed it by removing the Pinnable Watches for that class. The hanging on save only occurred in the file with Pinnable Watches, but didn't occur in files without them.