Build Result Not Saved

One our plans occasionally loses its builds after they're run. That is, they're run and then not saved, so you can't view the results. This build has a HUGE logfile, so maybe that's a cause. Here's the error we're seeing:

System Error Details
Build LWS - Default 3503 : Could not save the build results
java.lang.OutOfMemoryError: Java heap space

Occurrences: 6
First Occurred: Jan 9, 2008 1:56:23 PM
Last Occurred: Jan 9, 2008 2:58:41 PM

java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2882)
at java.lang.AbstractStringBuilder.expandCapacity(AbstractStringBuilder.java:100)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:515)
at java.lang.StringBuffer.append(StringBuffer.java:306)
at java.io.StringWriter.write(StringWriter.java:77)
at java.io.PrintWriter.write(PrintWriter.java:382)
at com.thoughtworks.xstream.core.util.QuickWriter.flush(Unknown Source)
at com.thoughtworks.xstream.core.util.QuickWriter.write(Unknown Source)
at com.thoughtworks.xstream.io.xml.PrettyPrintWriter.endOfLine(Unknown Source)
at com.thoughtworks.xstream.io.xml.PrettyPrintWriter.finishTag(Unknown Source)
at com.thoughtworks.xstream.io.xml.PrettyPrintWriter.startNode(Unknown Source)
at com.thoughtworks.xstream.io.path.PathTrackingWriter.startNode(Unknown Source)
at com.thoughtworks.xstream.converters.reflection.ReflectionConverter$1.visit(Unknown Source)
at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(Unknown Source)
at com.thoughtworks.xstream.converters.reflection.ReflectionConverter.marshal(Unknown Source)
at com.thoughtworks.xstream.core.ReferenceByXPathMarshaller.convertAnother(Unknown Source)
at com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(Unknown Source)
at com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(Unknown Source)
at com.thoughtworks.xstream.core.ReferenceByXPathMarshaller.convertAnother(Unknown Source)
at com.thoughtworks.xstream.converters.reflection.ReflectionConverter$1.visit(Unknown Source)
at com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(Unknown Source)
at com.thoughtworks.xstream.converters.reflection.ReflectionConverter.marshal(Unknown Source)
at com.atlassian.bamboo.persister.xstream.ConverterDecorator.marshal(ConverterDecorator.java:27)
at com.thoughtworks.xstream.core.ReferenceByXPathMarshaller.convertAnother(Unknown Source)
at com.thoughtworks.xstream.core.TreeMarshaller.start(Unknown Source)
at com.thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.marshal(Unknown Source)
at com.thoughtworks.xstream.XStream.marshal(Unknown Source)
at com.thoughtworks.xstream.XStream.toXML(Unknown Source)
at com.atlassian.bamboo.persister.xstream.AbstractXStreamPersister.toXML(AbstractXStreamPersister.java:167)
at com.atlassian.bamboo.persister.file.XStreamBuildPersister.saveBuildResults(XStreamBuildPersister.java:150)
at com.atlassian.bamboo.persister.CachedBuildPersisterDecorator.saveBuildResults(CachedBuildPersisterDecorator.java:128)
at com.atlassian.bamboo.persister.file.FileBasedPersister.addBuildResults(FileBasedPersister.java:350)