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https://issues.apache.org/jira/browse/NETBEANS-5177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17262533#comment-17262533
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Ulrich Mayring commented on NETBEANS-5177:
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I can confirm the finding by Onno Molenkamp, I'm on a Gradle project as well.
lsof takes about 40 seconds to even start outputting anything and then it's
basically every directory in
{color:#000000}.gradle/caches/modules-2/files-2.1/{color}
Memory consumption of NB increases steadily, even if I don't do anything in the
IDE and just watch (having my Gradle project open). The number of open file
handles increases at a rate of about 200 per minute. If I then click on "forced
garbage collection", memory usage is brought back to where I started, but the
number of open files handles just keeps on increasing. Stopping the IDE brings
it back down immediately.
There are no stack traces in the log file, the only interesting messages are a
bunch of those:
{color:#000000}Even though the source level of [... some directory in my Grade
project ...]{color} is set to: 11, java.util.zip.CRC32C cannot be found on the
system module path:
Changing source level to 1.8
> Crash: cannot get exclusive access to uihandler.properties
> ----------------------------------------------------------
>
> Key: NETBEANS-5177
> URL: https://issues.apache.org/jira/browse/NETBEANS-5177
> Project: NetBeans
> Issue Type: Bug
> Components: projects - Gradle
> Affects Versions: 12.2
> Reporter: Ulrich Mayring
> Assignee: Laszlo Kishalmi
> Priority: Blocker
> Labels: pull-request-available
> Attachments: messages.log, sc.png, screenshot2.png, thread_dump.rtf
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> I experienced a number of total freezes after installing NB 12.2 (have been
> using 12.0 before), but could not get an error message of any sort, since NB
> was completely unresponsive to keystrokes or mouse. This changed today, I got
> an error popup, which I attach. NB was again totally unresponsive, but I
> could make a screenshot of the popup message.
> The black shadow around the error dialog actually is tens or hundreds of the
> same popup windows behind the first one. They keep piling up at CPU speed
> until the app runs out of memory or is killed. For a while I could close a
> few of them, but they kept coming up faster than I could click.
> The file in question (see screenshot) looks normal to me. It has the correct
> owner and permissions and its content is this:
> count=1000
> MTTF=71985
> uihandler.preferences.writable.check=1608633016127
> The crash happened directly after starting the IDE, while it was reading in
> the last project I worked on. No user interaction was involved.
> Fedora 29 / KDE.
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