Re: Out of memory on command line build.
Re: Out of memory on command line build.
- Subject: Re: Out of memory on command line build.
- From: doug andrews <email@hidden>
- Date: Fri, 10 Jul 2009 15:38:55 -0400
That did the trick.
Thanks Chuck.
On Jul 10, 2009, at 3:22 PM, Chuck Hill wrote:
On Jul 10, 2009, at 12:16 PM, doug andrews wrote:
I'm moving a large project from Xcode to Eclipse/WOLips.
Within the IDE, i can compile and build fine.
I am having difficulty compiling through the command line though.
Entering:
ant -lib /Developer/Applications/eclipse/plugins/
org.objectstyle.wolips.woproject.ant_3.3.5047/lib/woproject.jar
compile
Gives me the following errors:
[wocompile] The system is out of resources.
[wocompile] Consult the following stack trace for details.
[wocompile] java.lang.OutOfMemoryError: Java heap space
[wocompile] at com.sun.tools.javac.parser.Scanner.stringVal
(Scanner.java:1165)
etc ....
This project has a lot of source code.
In the xcode days, we also ran into a similar memory error when
compiling.
This was solved by adding -J-mx256m to the JAVA_COMPILER_FLAGS
setting in the Application target.
Is there a way to increase the memory used by javac within the
command line?
How to set java heap size in Apache Ant?
Set environment variable ANT_OPTS. Look at the file $ANT_HOME/bin/
ant or %ANT_HOME%\bin\ant.bat, for how this variable is used by Ant
runtime.
set ANT_OPTS="-Xms512m -Xmx512m" (Windows)
export ANT_OPTS="-Xms512m -Xmx512m" (ksh/bash)
setenv ANT_OPTS "-Xms512m -Xmx512m" (tcsh/csh)
Why would it compile within the IDE, but run out of memory in the
command line?
Because Eclipse has more memory allocated to it. IIRC there was a
bug in some earlier versions that caused Ant to run out of memory
in certain cases.
Chuck
--
Chuck Hill Senior Consultant / VP Development
Learn WO at WOWODC'09 East in Montréal this August!
http://www.wocommunity.org/wowodc09/east
http://arstechnica.com/apple/news/2009/07/webobjects-sliced-
from-106but-prognosis-of-death-premature.ars
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