out of memory error on build despite adjusting heap-size
--------------------------------------------------------
Key: SLING-2284
URL: https://issues.apache.org/jira/browse/SLING-2284
Project: Sling
Issue Type: Bug
Environment: Mac OSX unix
Maven 3.0.3
java 1.6
Reporter: Thomas Fitzpatrick
get the following error running the maven build for Apache Sling, even with
the recommended heap size:
main:
[echo] **************** WARNING (SLING-443/SLING-1782)
******************************
[echo] On most platforms, you'll get OutOfMemoryErrors when building
unless you set
[echo] on 32bit platforms: MAVEN_OPTS="-Xmx256M -XX:MaxPermSize=256M", see
SLING-443
[echo] on 64bit platforms: MAVEN_OPTS="-Xmx512M -XX:MaxPermSize=512M", see
SLING-1782
[echo]
******************************************************************************
[INFO] Executed tasks
[INFO]
[INFO] --- maven-resources-plugin:2.4.3:testResources (default-testResources) @
sling-launchpad-webapp-archetype ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory
/Users/thomasf/slingDownload/sling/maven/archetypes/launchpad-webapp/src/test/resources
[INFO] Copying 3 resources
[INFO]
[INFO] --- animal-sniffer-maven-plugin:1.7:check (default) @
sling-launchpad-webapp-archetype ---
[INFO] Checking unresolved references to org.codehaus.mojo.signature:java15:1.0
[ERROR] Java heap space -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please
read the following articles:
[ERROR] [Help 1]
http://cwiki.apache.org/confluence/display/MAVEN/OutOfMemoryError
Sure enough my heap size is the same that they recommend on the project
homepage:
echo $MAVEN_OPTS
-Xmx512M -XX:MaxPermSize=512m
I suspect that the cause is that maven is forking and the jvm in the child
process does not have the same heap size - however I cannot identify which
plugin is forking from the console output.
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