java heap error in flash builder 4.6 - apache-flex

I m currently using adobe flash builder 4.6 n there is java heap space error. i cleaned my project every time but it's not working is there any permanent solution for this issue, plz help as soon as possible.

java heap error comes for several reason like a build a project which has too much library in it build path for this type of project you have to build individual library and then build main Project.
You can increase a heap memory flash builder 4.6(FB 4.6) manually. 1024MB is a maximum limit of heap memory allocation. you can't allocate more memory than 1024MB.
go to C:\Program Files\Adobe\Adobe Flash Builder 4.6 and open FlashBuilder.ini file and update the line -Xmx512m to -Xmx1024m. By default 512MB heap memory allocate to heap. but you can increase it manually.
warning
if you try to increase heap memory more than 1024 then your FB 4.6 not open.
if this not solves your problem then put a log file

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Try using Memory Analyzer, you can follow the instructions here to download and install it:
https://www.ibm.com/developerworks/java/jdk/tools/memoryanalyzer/
It should provide an overview of your heap usage.
I'd recommend starting with the dominator tree view to see which objects are responsible for keeping data alive on the heap. You can also run various reports which analyse the heap for you.
You should have core files (.dmp) and heap dumps (.phd), the core files will be large but may be faster to access and will also contain all the values for basic types in objects and strings. The phd files just contain object sizes and the connections between them. It may be easier to relate what you are seeing back to your code if you start with the core file.

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Nevermind... It seems that after rebooting the server AGAIN, problem was fixed.
I guess I'll never know what was it.
The story is way deeper than initially believed and it all boils down to memory allocation.
The culprit in my case was the heap size that we allocate to the Java process running underneath IIS (in JuggerNET). I have 4 CD instances (4 websites running each a CD stack) on 32bit server, with memory 4GB. The heap size was set to 1024M. Naturally there was not enough memory to allocate 4GB of heapspace.
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