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[4.11p8 BUG]Editor freezes while compiling character blueprint

When the editor freezes,my memory will go up and up like the screenshot below.This happens only in 4.11preview7 and preview8,the project I'm using is converting from UE4.10.Thanks!alt text

Product Version: UE 4.11 Preview
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asked Mar 24 '16 at 11:58 AM in Bug Reports

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avatar image Adam Davis STAFF Mar 24 '16 at 03:33 PM

Hi hls333555,

  • Does this occur in a clean, blank project with no additional content or is this limited to one project?

  • What functionality do you have in the character blueprint?

  • If you create a separate character blueprint and compile it, do you experience the same error?

  • Can you post your dxdiag here so I can take a look?

avatar image Death wyrm Apr 17 '16 at 06:00 PM

I am also having this problem. Was fine in 4.10.4, seems to be trouble with 4.11 or 4.11.1. Is there a way to see the stages of a blueprint compile?

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2 answers: sort voted first

Hi hls333555,

I was able to reproduce this following the steps provided and have entered a bug report, UE-30063, to be assessed by the development staff.

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answered Apr 28 '16 at 03:01 PM

avatar image hls333555 Apr 29 '16 at 03:29 AM

Thanks.Also I have tested it with the new 4.12 preview,sadly,the issue still occured.. Hope you fix it soon!Thanks!

avatar image hls333555 May 11 '16 at 02:02 PM

Unfortunately,this BUG has not been fixed in the preview 3,so I cannot start my project...

avatar image Adam Davis STAFF May 11 '16 at 02:11 PM

Hi hls333555,

This bug is still under assessment by the development staff. Unfortunately I do not have a timeframe of when a fix will be implemented.

avatar image hls333555 Jun 09 '16 at 01:59 AM

After I upgrade the engine to 4.12.1,and I try compiling that character blueprint,the editor crashes immediately instead of freezing,once I compile one of the child blueprint of that character blueprint, the editor crashes too.![![alt text][1]][1]

avatar image Adam Davis STAFF Jun 09 '16 at 04:17 PM

There was a major crash in 4.12.1 for compiling blueprints. 4.12.2 addresses this. Please try updating to 4.12.2 to see if this crash still occurs.

avatar image hls333555 Jun 11 '16 at 01:00 AM

Thanks!I never encounter the crash in 4.12.2 now.But the freeze occurs again.I hope this BUG can be fixed in 4.13 or soon.

avatar image Adam Davis STAFF Jun 13 '16 at 07:40 PM

Hi hls333555,

UE-30063 is still under assessment and a timeframe for a fix is not yet available. It would be best to check the Announcements and Releases when the 4.13 release notes are posted to get additional information as to whether this particular bug was fixed.

avatar image hls333555 Jul 31 '16 at 08:34 AM

Thanks for your constant support!I'm very excited to see the BUG being fixed after checking the issue list:https://issues.unrealengine.com/issue/UE-30063. Now I'm looking forward to the new 4.13.When will it be available?Thanks!

avatar image Adam Davis STAFF Aug 01 '16 at 02:29 PM

Hi hls333555,

Unfortunately I do not have a timeframe of when 4.13 will be released. Please keep an eye out on the Announcements and Releases section of the forums as all major engine announcements are listed there as soon as they are made publicly available.

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Hi hls333555,

We have not heard back from you in several days. I am marking this as answered for tracking purposes. If you are still experiencing this error, please comment with the requested information.

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answered Mar 28 '16 at 05:51 PM

avatar image hls333555 Apr 01 '16 at 12:17 PM

Sorry for the late reply. Now I'm testing my project with new 4.11 release.Sadly,the issue still occurs...

This doesn't occur in a clean,blank project

The issued character bp is my game's main character bp,it controls all my character's game logic including upgrade system,skill system,inventory system and with a blueprint interface to communicate with my main UI and I have another child character bp based on this character bp.

If I create a separate one and compile it.No error occurs.

Thankslink text

dxdiag.txt (93.4 kB)
avatar image Adam Davis STAFF Apr 01 '16 at 05:57 PM

Does the editor crash or does it freeze for a time and then return to normal? It is possible that the sheer amount of data in the blueprint simply requires a significant amount of time to process.

avatar image hls333555 Apr 02 '16 at 12:13 AM

Unfortunately no...It will freezes until it runs up all my 16g RAM and crashes as a consequence(it will take maybe 20 minutes).Also,I'm sure the blueprint compiling is not responding since I click on the compile button.Because this issue in 4.10.4 and 4.11 early previews never occurs,the most wait time is just about 30 seconds for it to compile.

Please help me! Now I can only use 4.10.4 instead to carry on my project. Thanks!

avatar image Adam Davis STAFF Apr 03 '16 at 04:14 PM

Can you send me a copy of your project? I have not been able to reproduce this on my end and would like to find what may be causing this error.

avatar image hls333555 Apr 08 '16 at 02:59 AM

How can I send you the project?Thanks!

avatar image Adam Davis STAFF Apr 09 '16 at 05:35 PM

If you put the project in a .zip you can either upload it here or you can upload it to a dedicated ftp service, such as dropbox, and post the link. You can also private message me this information on the forums if that is preferable.

avatar image hls333555 Apr 10 '16 at 03:47 AM

Could you please give me a link to your forum?Thanks!

avatar image Adam Davis STAFF Apr 11 '16 at 06:32 PM
avatar image hls333555 Apr 12 '16 at 12:17 AM

I have sent you the link.Please check that.Thanks!

avatar image Adam Davis STAFF Apr 14 '16 at 06:25 PM

I have been attempting to reproduce the error in the project sent, and while I am seeing an increase in compilation time, I do not see a full freeze, it simply takes more time due to the amount of information present in the blueprint. Do you have any other steps I can take to reproduce this on my end?

avatar image hls333555 Apr 14 '16 at 08:56 PM

Thanks,how long do you spend conpiling that blueprint?Actually,I have been waiting for 10 minutes now,the editor is still in a freezing state.And my cpu runs from 3.3ghz(at the start of compiling)down to the 1ghz now.I think the editor isn't responding now.

Also,in 4.10.4,I don't need to wait such long,maybe just 30 seconds.

avatar image hls333555 Apr 14 '16 at 09:10 PM

It's been 30 minutes since I click on the compiling button now,the editor is still freezing and not responding.alt text

avatar image Adam Davis STAFF Apr 18 '16 at 05:34 PM

Does the editor eventually respond or does it get locked up entirely? From what I saw, the freeze for me typically lasted from 45 seconds to 2 minutes, but afterwards the compile completed as expected.

avatar image hls333555 Apr 19 '16 at 01:15 AM

Unfortunately,for me the editor gets locked up entirely.This never happens in 4.10.4 or before.

And this guy Death wyrm has the same issue with me.You can see what he says above.

avatar image Adam Davis STAFF Apr 19 '16 at 04:42 PM

Are you on the latest NVidia drivers? If no, try updating. Additionally, check to make sure your computer is using the NVidia card and not your integrated graphics card. Let me know if this fixes the error you are seeing.

avatar image hls333555 Apr 20 '16 at 01:59 AM

Now I have upgraded my nVidia driver to the latest and make sure to use the nVidia card while running the editor,but the issue still happens...

avatar image Adam Davis STAFF Apr 20 '16 at 07:47 PM

Do you have any other steps I might be able to take to reproduce what you are seeing on my end?

avatar image hls333555 Apr 22 '16 at 07:56 AM

Sadly,no.Just open 4,11 and open the BP_Swordman blueprint and click compile.

avatar image Adam Davis STAFF Apr 25 '16 at 02:53 PM

It appears the link to your project sent via pm has become inactive, can you send the link again so I can attempt this on my end again. I'll be happy to give it another shot and see if I can get it to reproduce.

avatar image hls333555 Apr 27 '16 at 07:48 AM

I have resent you the link as a private message.Thanks!

avatar image tefica May 14 '16 at 02:49 PM

Hello, I had the same problem while migrating an old project, and solved :

1 - backup your "Intermediate" and "saved" folders in your project alt text

2 - delete them

3 - relaunch the project

4 - may be you'll have to make some blueprint modification but the project is now well compiled...

5 - I'm not responsible for your dataS lost ;)

... using UE4 4.11.2

intermediate.jpg (9.2 kB)
avatar image hls333555 May 15 '16 at 12:39 AM

Thanks for your advice,but sadly it does no help to me.Maybe the issue is not caused by this.

avatar image tefica May 15 '16 at 05:29 AM

yes, you are right, after re-verification it solved some compilation freeze I had on certain class, but continue freezing while compiling a character Class... sorry for that misinformation :(

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