js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

General JavaScriptMVC Uncategorised

josh803316

js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

in General JavaScriptMVC » Uncategorised • 1 year ago

When I currently try to build my app on a Mac OSX machine I get the following OutOfMemoryError:

java.lang.OutOfMemoryError: Java heap space

at org.mozilla.javascript.regexp.NativeRegExp.pushProgState(NativeRegExp.java:1301)

at org.mozilla.javascript.regexp.NativeRegExp.executeREBytecode(NativeRegExp.java:2066)

at org.mozilla.javascript.regexp.NativeRegExp.matchRegExp(NativeRegExp.java:2243)

at org.mozilla.javascript.regexp.NativeRegExp.executeRegExp(NativeRegExp.java:2271)

at org.mozilla.javascript.regexp.RegExpImpl.matchOrReplace(RegExpImpl.java:170)

at org.mozilla.javascript.regexp.RegExpImpl.action(RegExpImpl.java:101)

at org.mozilla.javascript.NativeString.execIdCall(NativeString.java:380)

at org.mozilla.javascript.IdFunctionObject.call(IdFunctionObject.java:129)

at org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3330)

at org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2487)

at org.mozilla.javascript.InterpretedFunction.exec(InterpretedFunction.java:178)

at org.mozilla.javascript.tools.shell.Main.evaluateScript(Main.java:564)

at org.mozilla.javascript.tools.shell.Main.processFileSecure(Main.java:486)

at org.mozilla.javascript.tools.shell.Main.processFile(Main.java:452)

at org.mozilla.javascript.tools.shell.Global.load(Global.java:244)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:161)

at org.mozilla.javascript.FunctionObject.call(FunctionObject.java:413)

at org.mozilla.javascript.Interpreter.interpretLoop(Interpreter.java:3330)

at org.mozilla.javascript.Interpreter.interpret(Interpreter.java:2487)

at org.mozilla.javascript.InterpretedFunction.call(InterpretedFunction.java:164)

at org.mozilla.javascript.ContextFactory.doTopCall(ContextFactory.java:398)

at org.mozilla.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3065)

at org.mozilla.javascript.InterpretedFunction.exec(InterpretedFunction.java:175)

at org.mozilla.javascript.tools.shell.Main.evaluateScript(Main.java:564)

at org.mozilla.javascript.tools.shell.Main$IProxy.run(Main.java:122)

at org.mozilla.javascript.Context.call(Context.java:515)

at org.mozilla.javascript.ContextFactory.call(ContextFactory.java:507)

at org.mozilla.javascript.tools.shell.Main.processOptions(Main.java:293)

js: exception from uncaught JavaScript throw: java.lang.OutOfMemoryError: Java heap space

I modified the js build script to use the following options and it worked:

java -Xms256M -Xmx512M

I'm thinking either some env variables should be changed or a portability OS check should be in here........or some other way of guaranteeing a minimum amount of memory for the builds to work.

Replies(12)

Justin Me..

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

1 year ago

I thought we were already running with that option? Seems like we have set:

java -Xmx228m -Xss1024k

in windows:

https://github.com/bitovi/steal/blob/master/js.bat#L45

and for mac / linux:

https://github.com/bitovi/steal/blob/master/js#L62

Where did you change this? Can you submit a patch? Also, anyway you can inform us non-Java people what this is doing and what implications this change would have?

josh803316

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

1 year ago

I'm not a java guy either but here is an answer from the java guy who told me about the issue:

#########

The problem is related with heap space, which is handled by the non standard variables -Xms (minimum heap space) and -Xmx (maximum heap space).

Each JVM has an initial value for the heap space for each OS (and each Vendor). So, something that works on one machine with a JVM won't necessarily work on another.

It seems that only the windows script (js.bat) has the -Xmx option set. The -Xss option is the stack size and not related with the heap space. Without the -Xmx option on the linux/Mac script there is no guarantee that it will work on the broad range of OSes and JVM vendors. Adding only the -Xmx option doesn't seem to have any big implications, beside that it requires enough RAM to perform.

##########

I can submit a patch for the js non-windows script if you like

These are the lines I changed in the (js) script

if [ $1 = "-d" ]
then
java -Xms256M -Xmx512M -classpath steal/rhino/js.jar:steal/rhino/selenium-java-client-driver.jar org.mozilla.javascript.tools.debugger.Main
exit 127
fi
ARGS=[
for arg
do
if [ $arg != $1 ]
then
ARGS=$ARGS"'$arg'",
fi
done
ARGS=$ARGS]
java -Xms256M -Xmx512M -Xss1024k -cp $CP org.mozilla.javascript.tools.shell.Main -e _args=$ARGS -opt -1 -e 'load('"'"$1"'"')'

Roel

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

1 year ago

Did you fix this???

I've updated steal to latest version on github and I still get this error

** edit **

I'm getting this error only when steal is building the less-files. When I comment all the less-files. The error is fixed.

The structure of my less-files.

I have a color.less, gradient.less, image.less, font.less. This is all imported in a main.less-file.

This main.less is then imported in all the less-files of the created plugins.

Isn't this possible to render this less-structure on a machine with 3Gb memory?

Roel

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

11 months ago

Does anybody have a project with less-files that he/she is able to build?

I can't find why it keeps giving me java heap space errors. And I really need to build a production-package for my application. (Coming close to the deadline).

So if anybody has any hints or tips about how I can fix this, please let me know!!!!!!

Justin Me..

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

11 months ago

yes, we have several very large ones. Did you change the js script like mentioned above?

Justin Me..

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

11 months ago

Btw, this is why we are in the process of converting steal to use node ....

Roel

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

11 months ago

Yes I've updated this:

java -Xms256M -Xmx512M -Xss1024k -cp $CP org.mozilla.javascript.tools.shell.Main -e _args=$ARGS -opt -1 -e 'load('"'"$1"'"')'

It's like steal-build is running into a loop with those less-files and then throws the error.

you also steal the less-file in youre code like this:

steal('steal/less').then('less-file').then(function() { ... });

And in my less-file I'm doing an import for one file.

@import "../../main.less"

I'm running this not on a mac but on a debian server with 3Gb of memory. This was always enough for my older projects (javascriptmvc 3.2 without less).

The one I'm building right now is javascriptmvc 3.2 with canjs and less.

Any ideas what I could debug to find my problem?

Roel

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

11 months ago

Because I really need to build my production-script, I'm gonna ask the question without answer in the hope of getting maybe a little view in how long it will take to convert steal to nodejs?

Will this be a couple of weeks or months?

Roel

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

11 months ago

I have tried this with uglify as compressor but i'm still getting the java heap size errors.

Justin Me..

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

11 months ago

you probably have a cycle. Start removing files until it goes away. Figure out the smallest change that works.

Roel

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

11 months ago

I've fixed it on my part.

I had a less-file called main.

main.less:

@import "color.less";
@import "gradient.less";
@import "font.less";
.class_fake { }
.class_fake2 { }

color.less => variables with all colors used in the app.

gradient.less => gradients used in the app

font.less => font-type, font-size, ...

This main.less was included in every less-file. (every controller->less-file, every main-less-file, ...) Because I need that. In every-file I was using color and a gradient or ....

When in development mode, I've noticed that main.less, color.less, gradient.less, font.less where loaded several times. I think about 38 times.

This is also the reason that steal had java heap space errors.

I've now put everything form the seperate files and pasted this into the main.less file. And now only main.less is loaded a few times (10 times) and now I don't get any errors from the builder.

So this works for now. But I really want to know how other people use this less-framework or how they split up their files?

Shouldn't it be nice to not use the @import and only steal the main-less-files in your bootstrap.

So that they are loaded only once!

mlubavin

Re: js build script fails on Mac OSX Lion (OutOfMemoryError -- java heap space)

11 months ago

Hi roel,

We are java guys over here. Basically, compiling Less files take a LOT of memory, especially if they @import other less files. We are doing pretty much the same thing you are doing with the main.less that imports other less files and is itself imported. We have had to raise our -Xmx setting (max memory you allow the java process to take) several times as we add more components each with a less file to our app. It is now at -Xmx1500m which is a ridiculous amount, but hey, it works, and on our developer machines there is still RAM to spare so we're ok for the moment.

We are also very much looking forward to running in Node... also because our Less file minifying is now taking almost 2 minutes, when it used to take 10 seconds...

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