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Eclipse freezes / hangs on first termination of a JVM after eclipse startup: [message #1725892]

Tue, 08 March 2016 05:44

Eclipse User

Hello there,

i have a very strange problem since i upgraded my eclipse installation to 4.5.1 and now 4.5.2:

Eclipse IDE for Java Developers

Version: Mars.2 Release (4.5.2)
Build id: 20160218-0600

When the first (java) application is launched in debug mode from within eclipse eclipse freezes for up to 2 minutes as soon as i terminate the application / jvm remaining unresponsive.

After those 2 minutes of "thinking time" eclipse starts working normal again and the Console output of my application appears.
After this "initial hickup" i can launch and terminate my applications / projects as often as i like without experiencing those freezes again.

When i restart eclipse the next day the first launch of any of my projects leeds to that strange freeze again.
There are no errors or total crashes or anything like that... it just freezes eclipse.

This problem occurs since i upgraded from 3.x.x to 4.5 and 4.5.1. With these versions the freeze took around 10-15 seconds and was no big deal.
Since i am on 4.5.2 the freeze lasts for at least 1-2 minutes, sometimes even longer.

Any ideas?

€dit:
Some more details:
- i have a workspace with 14 projects in it. 4 of which are open/active while the rest is closed in eclipse.
- some projects are using a jdk8 (latest), some are using jdk7 (latest)

Greetings,
Markus

[Updated on: Tue, 08 March 2016 10:10] by Moderator

Re: Eclipse freezes / hangs on first termination of a JVM after eclipse startup: [message #1725920 is a reply to message #1725892]

Tue, 08 March 2016 09:03

Eclipse User

Moving this to the JDT forum.

Re: Eclipse freezes / hangs on first termination of a JVM after eclipse startup: [message #1726301 is a reply to message #1725920]

Fri, 11 March 2016 03:26

Eclipse User

Additional informations:

- i am on a Windows 7 64 bit machine
- both processes (eclipse.exe and jawaw.exe) are ideling @0% cpu load while the freeze occurs
- before i close the application the first time after eclipse launch i wont see any sysouts on the eclipse console
- as soon as the freeze is over and the outputs appear all at once eclipse behaves normal again (console working as intended seeing all of the sysouts when they occur)

This issue really starts to be a problem, already tried to switch workspaces / created a new one, but the problem persists.
Any ideas what i could do? Or how i could trace / debug the root cause of this issue?

If it would help i could try to record a video of the problem for a better understanding?

[Updated on: Fri, 11 March 2016 03:27] by Moderator

Re: Eclipse freezes / hangs on first termination of a JVM after eclipse startup: [message #1728926 is a reply to message #1726301]

Fri, 08 April 2016 09:36

Eclipse User

This is a late reply, but what would be most helpful is a stack trace. See the following wiki page for details:

https://wiki.eclipse.org/How_to_report_a_deadlock

Brian.

Re: Eclipse freezes / hangs on first termination of a JVM after eclipse startup: [message #1731041 is a reply to message #1728926]

Mon, 02 May 2016 09:04

Eclipse User

Could it be that this is caused by this bug? https://bugs.eclipse.org/bugs/show_bug.cgi?id=489645

I'm having a similar issue and I get the following messages in Console right after the GUI un-freezes:

02.05.16, 14:54:09 MESZ: [INFO] Gradle version information cache file is not available. Remote download required.
02.05.16, 14:54:52 MESZ: [ERROR] Cannot download published Gradle versions.

Do you happen to be behind a corporate firewall which is likely blocking the connection?

[Updated on: Mon, 02 May 2016 12:18] by Moderator

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