And as your information provided, I deleted some not required Library Path SWCs, and the Flash CS5 Pro stopped popping out this annoying error.

If you guys know why, i would like to know. And hope this would be another solution for someone else.

My FLA is 80MB Flash CS4 and I also met the same problem.
Tried all of the solutions mentioned above to no avail.

The only working solution for me is that you should update your Flash CS4. Download the updates from Adobe for Flash CS4 directly and install. That is working for me.

Hope this helps you all.

Another CS5 user here and we hit upon this problem after using a lot of AS files (Away3D source) and then importing some SWC files (Wacom Bamboo SDK)… just threw this error.

Adding the JAVA_TOOLS_OPTIONS env variable, but with an -Xmx1024M (allowing 1GB of RAM usage) solved it for us.
Only the “Delete ASO” option is still available in CS5. You can choose not to compress the movie, but no longer disable the optimizer (or at least, it’s not quickly visible).

Thanks again!

I no longer experience this error when publishing. Here are the solutions that have worked for me.

1. Save file as Flash CS5 Uncompressed Document (.xfl) instead of an .fla
2. Set JAVA_TOOLS_OPTIONS to -Xmx256
3. UtilizeUILoader to externally load heavy animations or FlashEff movies.
4. Link AS classes for each movie as external files

Publishing blank swf files and deactivating “Compress movie” didn’t seem to have any effect.

Thank you for this post!

Got it working with -Xmx1024!
I’m building an interactive 3D Enviroment with PaperVision3D and apperantly got too much actionscript in it…

Thanx again & Best Regards to all!

$@D

I usually try to write my ActionScript code in a separat .as file and use it as a document class for the fla file so my code is separated from the animations and assets of the .fla file. I find it easier to maintain and debug.

Also, when working on larger projects I try to organize them into several smaller .swf files so it’s easier to compile and, mainly, to work on them.

Other than this and the advices enumerated earlier, there’s not much you can do. Indeed this problem is really annoying. But I find that if I organize my projects better, I don’t really have this problem.

Ok, i started searching for advices, found some here really interesting, haven’t tried all of em yet, but I tried a lot of advices, none worked, (except the one of the optimizer, just cant find the darn option)

you should check this one as well
http://www.3dbuzz.com/vbforum/showthread.php?178818-Useless-Flash-error-possible-solutions

buttom line, i just can’t work in Action Script 3, not just my animation has the error, when i open any new file in AS3 the error comes out, laughing at me…
It’s not just with publishing, or exporting the error appears, it appears even when i open any new AS3 file.

Do you have some advice?, I’m starting to lose it T_T

This will really help us out with this problem.

1. Quit Flash
2. In a text editor, open the jvm.ini file from the following location:

2.1. Windows XP: System Hard Disk\Documents and Settings\\Local Settings\Application Data\Adobe\Flash CS5\\Configuration\ActionScript 3.0\jvm.ini
2.2. Windows Vista or Windows7: System Hard Disk\Users\\AppData\Local\Adobe\Flash CS5\\Configuration\ActionScript 3.0\jvm.ini

(You might need to turn on “show hidden files”winking
3. Change -Xmx128m to -Xmx256m and save the file.