Probably the defaults for your jvm are too low. You can (read: should
be able to) increase the memory available for your Java runtime
environment by setting the following (assuming you use bash as a
shell):
export JAVA_OPTS=-Xmx512m
This should give you enough memory for maven to run in.
Martijn
On 9/10/06, Elias Gerber <[EMAIL PROTECTED]> wrote:
Hello everyone!
I am using Maven 2.0.4 for some of my (very small) projects. Now I
installed maven on a virtuall root server I own, and I would like to use
maven to do daily builds on that machine.
But if I run 'mvn package' there, I get the following exception:
java.io.IOException: java.io.IOException: Cannot allocate memory
at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
(The full output is at the bottom of this E-Mail)
Now my question: Is it possible to reduce memory-usage of mvn? Or can I
not avoid it to buy (rent) some more RAM?
Thank you for any help.
Elias Gerber
output of mvn package:
[EMAIL PROTECTED]:~/modules/sudokusolver$ mvn package
[WARNING] Failed to initialize environment variable resolver. Skipping
environment substitution in settings.
---------------------------------------------------
constituent[0]:
file:/usr/local/maven-2.0.4/lib/maven-plugin-api-2.0.4.jar
constituent[1]:
file:/usr/local/maven-2.0.4/lib/wagon-file-1.0-alpha-7.jar
constituent[2]:
file:/usr/local/maven-2.0.4/lib/maven-artifact-manager-2.0.4.jar
constituent[3]:
file:/usr/local/maven-2.0.4/lib/maven-repository-metadata-2.0.4.jar
constituent[4]: file:/usr/local/maven-2.0.4/lib/maven-artifact-2.0.4.jar
constituent[5]: file:/usr/local/maven-2.0.4/lib/maven-core-2.0.4.jar
constituent[6]:
file:/usr/local/maven-2.0.4/lib/wagon-ssh-1.0-alpha-7.jar
constituent[7]: file:/usr/local/maven-2.0.4/lib/maven-profile-2.0.4.jar
constituent[8]: file:/usr/local/maven-2.0.4/lib/jsch-0.1.24.jar
constituent[9]: file:/usr/local/maven-2.0.4/lib/maven-settings-2.0.4.jar
constituent[10]:
file:/usr/local/maven-2.0.4/lib/doxia-sink-api-1.0-alpha-7.jar
constituent[11]: file:/usr/local/maven-2.0.4/lib/maven-model-2.0.4.jar
constituent[12]:
file:/usr/local/maven-2.0.4/lib/maven-plugin-descriptor-2.0.4.jar
constituent[13]: file:/usr/local/maven-2.0.4/lib/maven-project-2.0.4.jar
constituent[14]: file:/usr/local/maven-2.0.4/lib/maven-monitor-2.0.4.jar
constituent[15]:
file:/usr/local/maven-2.0.4/lib/wagon-http-lightweight-1.0-alpha-6.jar
constituent[16]:
file:/usr/local/maven-2.0.4/lib/maven-reporting-api-2.0.4.jar
constituent[17]: file:/usr/local/maven-2.0.4/lib/commons-cli-1.0.jar
constituent[18]:
file:/usr/local/maven-2.0.4/lib/wagon-provider-api-1.0-alpha-6.jar
constituent[19]:
file:/usr/local/maven-2.0.4/lib/wagon-ssh-external-1.0-alpha-6.jar
constituent[20]:
file:/usr/local/maven-2.0.4/lib/maven-plugin-parameter-documenter-2.0.4.jar
constituent[21]:
file:/usr/local/maven-2.0.4/lib/plexus-interactivity-api-1.0-alpha-4.jar
constituent[22]:
file:/usr/local/maven-2.0.4/lib/maven-plugin-registry-2.0.4.jar
constituent[23]:
file:/usr/local/maven-2.0.4/lib/maven-error-diagnostics-2.0.4.jar
---------------------------------------------------
java.io.IOException: java.io.IOException: Cannot allocate memory
at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
at java.lang.ProcessImpl.start(ProcessImpl.java:65)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:451)
at java.lang.Runtime.exec(Runtime.java:591)
at java.lang.Runtime.exec(Runtime.java:429)
at java.lang.Runtime.exec(Runtime.java:326)
at
org.codehaus.plexus.util.cli.CommandLineUtils.getSystemEnvVars(CommandLineUtils.java:177)
at
org.apache.maven.project.interpolation.RegexBasedModelInterpolator.<init>(RegexBasedModelInterpolator.java:60)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at
java.lang.reflect.Constructor.newInstance(Constructor.java:494)
at java.lang.Class.newInstance0(Class.java:350)
at java.lang.Class.newInstance(Class.java:303)
at
org.codehaus.plexus.component.factory.java.JavaComponentFactory.newInstance(JavaComponentFactory.java:44)
at
org.codehaus.plexus.DefaultPlexusContainer.createComponentInstance(DefaultPlexusContainer.java:1464)
at
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:93)
at
org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92)
at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
at
org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:129)
at
org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:73)
at
org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
at
org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
at
org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
at
org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
at
org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
at
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
at
org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92)
at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
at
org.codehaus.plexus.component.composition.FieldComponentComposer.assignRequirementToField(FieldComponentComposer.java:129)
at
org.codehaus.plexus.component.composition.FieldComponentComposer.assembleComponent(FieldComponentComposer.java:73)
at
org.codehaus.plexus.component.composition.DefaultComponentComposerManager.assembleComponent(DefaultComponentComposerManager.java:68)
at
org.codehaus.plexus.DefaultPlexusContainer.composeComponent(DefaultPlexusContainer.java:1486)
at
org.codehaus.plexus.personality.plexus.lifecycle.phase.CompositionPhase.execute(CompositionPhase.java:29)
at
org.codehaus.plexus.lifecycle.AbstractLifecycleHandler.start(AbstractLifecycleHandler.java:101)
at
org.codehaus.plexus.component.manager.AbstractComponentManager.startComponentLifecycle(AbstractComponentManager.java:105)
at
org.codehaus.plexus.component.manager.AbstractComponentManager.createComponentInstance(AbstractComponentManager.java:95)
at
org.codehaus.plexus.component.manager.ClassicSingletonComponentManager.getComponent(ClassicSingletonComponentManager.java:92)
at
org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:331)
at org.codehaus.plexus.embed.Embedder.lookup(Embedder.java:78)
at
org.apache.maven.cli.MavenCli.createMavenInstance(MavenCli.java:448)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:231)
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:585)
at
org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at
org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
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